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Korting Royal Syntektor 55W german radios - en

Korting Royal Syntektor 55W – en

Korting Royal Syntektor 55W

Also this reviews will be accompanied by a section with graphs of technical measures of the most important parameters.
There is no such thing anywhere else, as far as I know. Not even the manufacturers themselves detailed the technical features of their own devices at this level.
This new section has been developed for an objective comparison of different devices.
In order to avoid interpreting the measurements incorrectly, it is very important to read the warnings carefully the first time.

The Korting Royal Syntektor 55W is the most prestigious model made by Leipzig's factory that year.
We already restored some Korting Royal Syntekor and while listening we were amazed by the
unusual dynamic characteristics. Also the 55W proved itself up to expectations. The high volume listening of this device is extremely rewarding and often surprising.
All this due to two elements: the transducers and a particular circuitry of the final stage.
The main (loud)speaker is a fabulous Isophon P23/25/105, with an AlNiCo magnet of 10500 Gauss and a linear response from 65 Hz to 10 kHz. It can withstand strong mechanical stresses and moreover it is fitted in a solidly built piece of forniture.
A 17 cm Medium adds brilliance on 900
1200 Hz range, the most important one to have a great experience while listening.

Not least the two big electrostatic tweeter, in plain view: their surface is very wide when compared with others usually placed on radios.

Moreover, let's talk about two little circuit's tricks: an oversize output transformer, making it very difficult to reach saturation and an unusual two power pentodes EL84's drivers.

As in the photo (9) the preamplifier stage is entrusted to a variable slope EF89 pentode that controls directly the first EL84 grid. Thereafter the signal is sent to the EABC80 triode's grid which dephases it of 180 degrees and then sends it to the second EL84.
Such circuits allows a high control voltage of the two final valves which can reveal all their power.

Also the FM section is unusual: the detector stage is syncrhronous, thanks to this, distortion is very low. Besides, you can select two levels of circuit sensitivity to avoid the detector stage saturation.

Conclusions: just one, this device must be listened at high volumes to fully enjoy its largeness.

The Royal Syntektor 55W recondings are made to highlight its very notable dynamic characteristics. Anyway these recordings don't let us appraise the impact from listening at high/loud volume with this device. We get only a perception of its quality.

Korting Royal Syntektor 55W

Korting Royal Syntektor 55W

The first track is “I've been loving you too long” by Otis Redding, recorded in 1965, written with Jerry Butler and inspired by love problems Otis was going through at the time. At Monterey Festival in 1967 audience was thrilled by Jimi Hendrix, who set on fire his handpainted Stratocaster at the end of his exhibition and Otis Redding, the most charismatic voice of Soul music. Few months later, Otis and his bandmates will die in a plane crash at Lake Monona, Wisconsin. My favourite cover of the song is the one by Ike & Tina Turner.
The second track is one of Cesária Évora's masterpieces, “Isolada”, written in 2003, first track of the album "Voz d'amor". Cesária's smooth voice dives you into Cabo Verde's atmosphere and in Morna, a music genre typical of these islands in which the main instruments are violão and rabeca (guitar and violin). Rhythm is slow and the composition usually monotonous. The main composer was Eugénio de Paula Tavares. The archipelago was used as a headquarter for slave trade between Africa and America; after the abrogation of slavery in Portuguese Empire, recurring droguths and desertification, which led to famine and plagues, natives inhabitants were forced to leave. This social background gave birth to Morna.
The third track is from Tosca, “Vissi d'arte” by Giacomo Puccini performed by Maria Callas, stage name of American-born Greek Anna Maria Cecilia Sophia  Kalogeropoulos, one of the most renowned opera singers of all times.
The Soprano has the highest vocal range of all female voice types, higher than Mezzosoprano and
Contralto, it requires a range of two octaves and a strong virtuosity, but Callas was a Coloratura soprano, she was able to perform roles as mezzosoprano, soprano leggero and soprano lirico. Not by chance she is still remembered as “La Divina”.

The fourth track is the catchy song by Eros Ramazzotti “Più bella cosa”. The song is dedicated to Michelle Hunziker, who he met at the time, but also (mainly) to Music, Eros' first true love that he will celebrate in many other songs. 
The lyrics there are clear references to memories and emotions (thrills) of his past rather than his love with Michelle.
The last track is one of Queen's most famous songs, “We will rock you”. Its history is really interesting: in a 1977 concert the band felt the crowd so engaged while singing along. They felt people had no room to dance and move freely, the only thing they could do was to clap hands, to stomp with feet and to sing. Hence “We will rock you” was born, a song about three ages of man:
the child, the grown-up and the elderly.

BLUETOOTH

Bluetooth receiver embed

READ MORE >

MULTI PLATFORM CONNECTION

Each radio is equipped with a cable for connection to any digital device.

READ MORE >

TUBESOUND IMPROVEMENT

- Bluetooth receiver embed - The unit is equipped with a BLUETOOTH receiver powered directly by the receiver power supply. This makes it possible to control the amplifier from any external digital device as an IPAD, a Smartphone, or a sophisticated multimedia station. So you can hear your preferred web station or your lossesless file without cables on the room. Wireless Receiver can be equipped upon requests.
- Multi Platform Connection - A customized adaptation cable to connect any digital device as Iphone, Smartphone, Laptop, CD Player etc. will be provided with this radio. This special cable suits the different impedances between the modern equipment and the receiver. Furthermore the two stereo channels flow into one without increasing the load to the input unit.

Korting_Royal_Syntektor_55WKorting_Royal_Syntektor_55W

 

HISTORY

Körting-Radio-Werke Oswald Ritter was founded by Karl Oswald Max Ritter after leaving Dietz & Ritter GmbH in 1940.
At they beginning it produced radio receivers, transformers and electronic devices.
Körting branded
radio receivers have great success thanks to their high-quality.

After World War II, the company ventures with Carl Zeiss but in 1946 productions volumes drop due to the company's decommissioning.
In 1948 it is seized and transferred to public property and
managed by VEB Radio and Telecommunications Technology.

In 1949 Ritter moves to Upper Bavaria with some of his employees and in 1951, with a 5 millions DM lended by Bayerische Staatsbank, he acquires Belwe GmbH in Grassau, a producer of flatirons, toasters and little lamps, expanding the production to radios, speakers and electro-medical devices.

Körting's sales in West Germany are low compared to its competitors and the internal bank orders Gerhard Böhme to reorganize the company at the beginning of 1953. Oswald Ritter resigns as an associate in the summer of 1953 and Böhme becomes the company's manager.

In 1955 Ritter definitively leaves the company and dies on October 2nd, 1959 after a long illness.

The company agrees a deal with Neckermann, an important mail-order company in Frankfurt.
Neckermann nuys and sells all the televisions and radios with the brand Neckermann-Körting.
In 1957, Körting laucnhes the Dynamic 830W, the first radio in the world with dynamics expander.

From 1952 to 1964 sales are 7-times higher.
In 1963 and in 1964, Körting has to increase its
capabilities due to increased sales. In quick succession the company opens new branches in Grödig, near Salzburg, Möbelwerke Wallerstein and Körting-Italiana in Pavia. In this period Körting produces devices for Kuba-Imperial , Elac , Blaupunkt and Siemens.

In 1970, Körting makes a deal with Yugoslavian Gorenje to build televisions in their headquarters in Slovenia.

In 1972 Kuba ceases production, followed by Elac in 1978, and Karstadt takes over Neckermann, interrupting the cooperation with Körting.

In 1978 Körting filed for bankruptcy , on September 1st 1978 Gorenje acquires the main factory in Grassau, but at the end of March 1983 also Gorenje Körting Electronic goes bankrupt.

MAIN FEATURES

Year of production: 1954/55
Superheterodyne IF: 472/10700
11 AM Circuits - 15 FM Circuits

Wavebands:
Medium Waves(MW1, MW22),  Long Waves (LW)
Short waves (KW1,KW2), FM (UKW)

Loudspeakers:
1 woofer da 9"
1 wideband da 7"
2 electrostatic tweeters

Dimensions (LHD): 705 x 450 x 340 mm / 27.8 x 17.7 x 13.4 inch
Net weight: 21 kg / 46 lb 4.1 oz

11 Tubes:ECC85 2xEF89 EC92 EBF80 EM85 ECH81 EABC80 2xEL84 AZ11

Korting_Royal_Syntektor_55W

MEASURED TECHNICAL FEATURES

IMPORTANT REMARK
(to be read carefully at least the first time)

  1. The following measures have been carried out in order to compare, from an electrical point of view, the devices that will be reviewed on this site. It is not possible to make comparisons with measurements made by other laboratories on different devices. The instrumentation and measurement conditions are probably very different.
  2. The instrumentation used for the measurements is obsolete and unprofessional. We believe that more precise instrumentation is not necessary due to the tolerances of the human auditory system. Distinguishing a distortion of 1% from one of 1.1% or 1.001% only makes sense from the electrical point of view. Probably no one can hear the difference by ear. Only a child and very few lucky people can perceive the difference between a flat response curve up to 16 KHz and one up to 20 kHz.
  3. The perception of sound depends on many factors, namely the age of the listener, the listening environment, the musical genre that is being reproduced, the listener's expectations, his or her listening habits and knowledge and many other factors, besides of course the quality of the other devices. Therefore, there is no direct and unique relationship between the results of the measurements made and the pleasantness of listening to a specific device.

Korting_Royal_Syntektor_55W

BANDWIDTH

ation caused by the loudspeakers' inductive load and the effect of the mechanical resonance of the speakers themselves on the feedback circuit are not considered. The effects are by no means negligible, the measurements carried out on a purely resistive load are
always very linear but they don't coincide with the real frequency response.

On the other hand, this response curve was measured on an inductive laod, that is, with its own loudspeakers.
The frequency response measurements were made with a sinusoidal generator and a
Wandel & Goltermann WM 20 level meter.
You can see the actual frequency response on the vobulator' screen.

Korting_Royal_Syntektor_55W

RMS POWER

We consider as Maximum Power the square of the lower of the RMS voltages measured at the three sample frequencies divided by the load resistence.
The measurement conditions are the following:
- sample frequencies, 100, 1000, 10,000 Hz
- 8 ohm resistive load
- distortion less than or equal to 1%.
The measuring instrument provides the RMS value directly.

The measured RMS power is 7.4 W

Korting Royal Syntektor 55W

Korting Royal Syntektor 55W

IM% at 1000 Hz

Korting Royal Syntektor 55W

 

INTERMODULATION DISTORTION %

The Intermodulation Distortion % was measured with the SMPTE standard and measured at 1W RMS.
The two measurements were carried out by modulating the 50 Hz sine wave with a 1080 Hz sine wave and then with a 10400 Hz sine wave, with an amplitude in a ratio of 1/4 compared to the basic sinusoid.
The output voltage was kept around 2.83V on an 8 ohm carico.

The measured Intermodulation Distortion % (IM%) is 0.14%

 

Korting Royal Syntektor 55W

Korting Royal Syntektor 55W

Korting Royal Syntektor 55W

LOUDSPEAKERS

The radio's loudspeakers are one of the most interesting and distintive features.

The first, as well as the biggest one, is an electromagnetic Isophon P23/25/105; its diameter is about 22 cm and with a 10500 Gauss magnet has a frequency response that goes from 65 to 10.000 Hz within +/- 3 dB.
The whole frequency range is sent to this loudspeaker and the upper part is cut mechanically.

The basses are always ready and extremely powerful. As anticipated power and dynamism are the main feature of this device.

The second loudspeaker is a 17 cm diameter broadband, with a medium cone's incline, very fast and which extens very high for a brilliant playing of mid-range sounds.
The speaker is connected to an intermediate socket of the output transformer and the latter (the last one) acts as a filter and a power redicer at the speaker ends.

Finally, we talk about the excellent electrostatic tweeter, very large and efficient with a convex front surface that increases the diffusion area.
A really well thought speakers' set, wisely implemented regardless of the price.

TONE CONTROL WITH LEVEL INDICATION

The tones control system is very efficient. Above the large tone control knobs there is a band that lights up gradually indicating the emphasis on the band on which it acts.

BASS MAX

Korting Royal Syntektor 55W

BASS FLAT

Korting Royal Syntektor 55W

BASS MIN

Korting Royal Syntektor 55W

TREBLE MIN

Korting Royal Syntektor 55W

TREBLE FLAT

Korting Royal Syntektor 55W

TREBLE MAX

Korting Royal Syntektor 55W

 

Korting Royal Syntektor 55W

AERIALS

Inside the cabinet there is a dipole for FM reception and a ferrite rotating aerial for AM reception.
Ferrite aerial can be rotated from the outside to achieve a perfect tuning of the device in the AM.
In this picture you can see the rotation mechanism, and the aerial position indicator.
The reception sensitivity with internal aerials is very good. This unit was in fact produced when there were not many radio stations, and those available were far from each other.
Using an external aerial sensitivity is further increased.

Korting Royal Syntektor 55W

Korting Royal Syntektor 55W

TUNING INDICATOR

 

 

The magic eye has of course been replaced.

CONTROL PANEL

Korting Royal Syntektor 55W 

1 - Volume control (with loudness built-in) - Anodic high / low voltage switch
2 - Rotation command of the ferrite antenna
3 - Indicator of the ferrite antenna position
4 - Indicator of the bass control position
5 - The bass control knob
6 - AM Band gain switch

7 - Keyboard

AUS - OFF
TA - Aux
L - Long waves
M Normal - Medium Waves/Ext. Antenna
M Ferrit - Medium Waves/Int. Antenna
KI - Short Waves 1
KII - Short Waves 2
UK - FM

8 - Display
9 - Tuning knob FM
10 - Tuning knob AM
11 - Indicator of the position of the high tone control
12 - Treble control knob.
13 - FM gain switch

Korting Royal Syntektor 55W

REAR SIDE

Output for external speakers.
Turntable input (Tonabnehmer)
AM and FM aerial inputs and ground socket

RESTORATION STEPS

THE USUAL AMAZING LAST IMAGE
Korting Royal Syntektor 55W
Brionvega Totem RR130 brionvega - en

Brionvega Totem RR130 – en

Brionvega Totem RR130

BRIONVEGA RR130 - TOTEM

Brionvega is certainly the Italian brand of electronic equipment that left the deepest mark in the history of world design.
On this page, one of the most beautiful equipment of the Brionvega is presented: the TOTEM RR130.
It was designed by the architect and designer Mario Bellini in 1970.

Eight times Compasso d'Oro, Bellini counts among his most famous creations the Centro Espositivo e Congressuale di Villa Erba (Exhibition and Congress Center of Villa Erba) in Cernobbio, the Tokyo Design Center in Japan, the America Headquarters of Natuzzi in the United States, the National Gallery of Victoria in Melbourne, the Headquarters of the Deutsche Bank in Frankfurt, the Department of Islamic Arts at the Louvre in Paris, the new Convention Center in Milan.

The Brionvega Totem, along with others of Bellini's works, is exhibited at the MOMA in New York. It is visible on this page of the museum.

When closed it looks like a smooth cube of 51 cm per side.
Once opened, the turntable, the console and the two adjustable and removable speakers are found.
The turntable is a beautiful DUAL 1257 with a magnetic cartridge DUAL DN145E. The turntable and the cartridge will be analysed in detail later.
The central body includes a 22W stereo amplifier, an AM/FM tuner and a muzak receiver.

The Totem project follows the famous RR126 Radiofonografo. The two devices share different circuits, but several improvements and updates have been implemented in the Totem.

The acoustic quality is interesting. Leaving the speakers in their rotating supports, the distance between them is sufficient to guarantee a fair stereo separation, even if the best results are surely obtained by extracting the speakers from their supports and placing them at a distance of more than 1,5 meters.
The power is more than enough to fill medium-sized environments.
Rather than the frequency response, which is still quite linear, the most interesting feature is the kind of musicality the device can express. In fact, the sound is warm and mellow, close to the sound of tube amplifiers. This result derives from the type of circuit with a low negative feedback rate and the use of fair components, in complete contrast to the projects of Japanese derivation that were so fashionable in the 1970s.

A musicality with these features, a brilliant design, such a strong personality have determined its remarkable commercial success.

In our restorations we propose a small modification to the loudspeakers by equipping them with a brighter tweeter, which associated with the insertion of a bluetooth 5.1 circuit or of a wi-fi connection allows the listening of liquid music or any web-station of the world with a satisfying level of pleasantness in the listening.

The aesthetic remains absolutely unaltered but the sound changes significantly, becoming considerably more precise and free of disturbances.

Almost all the devices that are sent to us are stained, yellowed and with damaged edges.
For this reason we have equipped ourselves for the total double repainting (white and anthracite) and the screen printing of all the front and back writings.

These incredible restorations are photographically documented at the bottom of the page in the dedicated section.

BRIONVEGA RR130

Brionvega Totem RR130

 

BLUETOOTH

Bluetooth receiver embed

READ MORE >

CONNESSIONE A DISPOSITIVI DIGITALI

Each radio is equipped with a cable for connection to any digital device.

READ MORE >

TUBESOUND IMPROVEMENT

- Bluetooth receiver embed - The unit is equipped with a BLUETOOTH receiver powered directly by the receiver power supply. This makes it possible to control the amplifier from any external digital device as an IPAD, a Smartphone, or a sophisticated multimedia station. So you can hear your preferred web station or your lossesless file without cables on the room. Wireless Receiver can be equipped upon requests.
- Multi Platform Connection - A customized adaptation cable to connect any digital device as Iphone, Smartphone, Laptop, CD Player etc. will be provided with this radio. This special cable suits the different impedances between the modern equipment and the receiver. Furthermore the two stereo channels flow into one without increasing the load to the input unit.

Brionvega

 

Brionvega

 

HISTORY

In 1945 in Milan, Giuseppe Brion and the engineer Leone Pajetta founded the B.P.M. (Brion Pajetta Milano), electronic component production company.
At the beginning of the 50s the company specialized in the production of radio devices and becomes the Vega B.P. Radio.
At the beginning of the 60s specialized in the production of Tvs and becomes Radio Vega Television.
In 1963, the company takes the definitive name of Brionvega.

Brionvega since ever had world-known designers and produced objects that are exposed in the most famous international museums.
Among the firsts designers Zanuso and Sapper, 1964, that projected the portable TV Algol 11 (picture on the bottom left) and the radio TS 502, the “cube” (picutre on the bottom right).
In 1965 the Castiglioni brothers (ppicture on the top left) signed then the Stereophonic Radiofonografo RR126.
In 1970 the designer Mario Bellini traces the shape of the stereo system “Totem” (picture on the top right).
In 1992, the company is sold by the Brion family to the Seleco.
In 1997 Seleco goes out of business and Brionvega, controlled, does so.
In 2004 SIM2 Multimedia has acquired the part of the Brionvega company dedicated to the radio production.
In 2010 SIM2 Multimedia acquires also the TV sector of the historical italian brand.

Brionvega Totem RR130

Brionvega

 

MAIN FEATURES

Year of production: 1970

Wavebands:

Long wave (OL), Medium wave (OM), FM

AC Voltage: 110; 125; 160; 220 Volt

6 loudspeakers

Dimensions (LHD): 510 x 510 x 510 mm / 20.1 x 20.1 x 20.1 inch (closed)
Net weight: 70 lb 8 oz

26 Transistors:

Brionvega Totem RR130

TURNTABLE

The turntable used in the Totem is the DUAL 1257.
This is an excellent semi-automatic equipped with a DUAL 16-pole motor, with belt transmission and a very heavy plate, for an excellent rotation stability; wow and flutter, in fact, remain within a small 0,05%.
The belt transmission and the detachment of all the not necessary mechanisms during operation allow to reach a signal / noise ratio of 68dB.
The 1257 is equipped with stroboscope and fine adjustment of the speed. It is also provided with micrometric adjustment of the bracket weight and separate Antiskating settings for Conical or Elliptical stylus.

The magnetic cartridge is a DUAL DN145E. This is a cartridge with diamond elliptical stylus built by Ortofon.
A frequency response is declared from 10Hz to 28,000Hz with an output level of 4.0mV
The dimensions of the elliptical stylus are 6 x 18 μm.
The manufacturer recommends adjusting the weight to 1,5 gr.
The load resistance is 47 kOhm.

Brionvega Totem RR130 Brionvega Totem RR130

VOLUME CONTROLS

The Totem RR130 is equipped with two separate volume controls.
- The first (LOUDNESS) changes the level by automatically changing the frequency response curve according to a physiological criterion (at low volume the bass and treble are enhanced).
- The second (VOLUME) changes the level, leaving the frequency response curve unchanged.
Both commands increase the overall output level.

Listening to LOW LEVEL: turn the volume knob to maximum and act only on the loudness knob to get the desired level.
Listening to MEDIUM LEVEL: turn the volume knob halfway and turn the loudness knob to get the desired level.
Listening to HIGH LEVEL: act on both the volume and loudness knobs to get the desired level.

Brionvega Totem RR130

CONTROL PANEL

 Left from the top we find two instruments:
- the FM signal level
- the centering of the station
Then we find the knobs of LOUNDNESS,  LEVEL, BALANCE, TREBLE and BASS.
Below we see the knob of the AM tuning which acts on the indicator of the three scales below SW, MW, LW.
On the right you can still see the FM tuning knob which acts on the scale up indicator, FM.

Brionvega Totem RR130

In the lower row of the panel we find a series of keys that have the following functions:
ON/OFF
AFC - Automatic Frequency Control
PHONO - Turntable
TAPE - Tape Recorder
FD - Muzak
LW - Long Waves
MW - Medium Waves
SW - Shortwave
FM
Finally we find six keys numbered from 1 to 6 with which you can choose the channels of the muzak.

LOUDSPEAKERS

Each speaker is equipped with three cone speakers, a woofer, a midrange and a tweeter.

Curious is the electrical connections between loudspeakers and amplifier. It is obtained simply by inserting the loudspeakers box into the appropriate support tube, equipped with slide contacts.

The woofer and the mid are quite adequate to the characteristics of the amplifier.
The tweeter is a little silky, soft, it lacks a bit in transparency in the higher frequencies.
This feature was totally irrelevant in radio reproduction, while using the Totem for listening to liquid music or other digital sources we prefer to replace the tweeter with a more modern and brilliant one.
Also the reproduction of vinyls benefits considerably from this.
Of course, in our restorations, the modification leaves the external aesthetics completely unchanged.

Brionvega Totem RR130

REAR SIDE

Output for external speakers.

Socket for recorder (tonbandgerat).

Turntable input (Tonabnehmer)

AM and FM aerial inputs and ground socket.

Power fuse and loudspeakers fuse.

ELECTRONIC AND CABINET RESTORE

THE USUAL AMAZING LAST IMAGE
Brionvega Totem RR130
Philips Capella 753/4E/3D capella 753 - en

Philips Capella 753/4E/3D – en

PHILIPS CAPELLA 753/4E/3D

PHILIPS CAPELLA 753/4E/3D

The Philips Capella 753/4E/3D was the company’s flagship model back in 1955, but in reality, the brand was working towards making it the best piece of technology to come out of Germany, blowing away the competition.

As a matter of fact, they met their goal and produced a unique piece of technology, for both the German and World Wide market.
It’s peculiarities are:

  • A motorized Tuning
  • 6 memorizable stations
  • 4 power tubes (2xEL84 and 2xUL84)
  • Dedicated amps for Hi and Low frequencies
  • An Iron-Free coupling output (OTL)
  • High Damping Factor with Negative Feedback circuit
  • 4 High impedance speakers

Even though the Philips Capella 753/4E/3D boasts a noticeable size, it’s woodwork, frames, and speaker covers contribute in giving it a much sleeker, eye-pleasing look to complete any furniture display.
The Low frequencies are particularly deep thanks to the separated OTL amplifiers and to the impressive size of the subwoofer, approximately 26cm in diameter (more or less 30 inches).
I suggest making good use of the mid-tweeter, as this successfully crafted speaker (17 cm in diameter) makes the mid and Hi frequencies pleasant and true to life, especially if seated in front of the Machine.

High and Mid Frequencies sections
The FM group is of the variable permeability type.
It has a high amplification and stability. Being equipped with an automatic noise suppressor in the presence of signals below 1.7 V, the output is muted to avoid hearing rustling and noise when searching for stations.
The de-emphasis circuit is set to 50 uS, valid all over the world except for the USA and South Korea. In these countries, the filter should be increased to 75 uS.

The AM section is equipped with a rotating antenna for the OM and OL bands. The antenna can be controlled by a knob on the front.
The mid-frequency sections are composed of three separate filters for AM and FM. The first of these filters is adjustable. The second is the amplifier filter and the third filter further increases the selectivity of the device.

The Motorized Tuning and the amplifier section are examined in detail in the following sections.

All the listed solutions translate into a very low distortion, an increase in power, and a pleasantness of use hardly ever obtained in other appliances.
This is the Philips Capella 753/4E/3D

Philips Capella 753/4E/3D
Philips Capella 753/4E/3D

BLUETOOTH

Bluetooth receiver embed

READ MORE >

MULTI PLATFORM CONNECTION

Each radio is equipped with a cable for connection to any digital device.

READ MORE >

TUBESOUND IMPROVEMENT

- Bluetooth receiver embed - The unit is equipped with a BLUETOOTH receiver powered directly by the receiver power supply. This makes it possible to control the amplifier from any external digital device as an IPAD, a Smartphone, or a sophisticated multimedia station. So you can hear your preferred web station or your lossesless file without cables on the room. Wireless Receiver can be equipped upon requests.

Multi Platform Connection – A customized adaptation cable to connect any digital device as Iphone, Smartphone, Laptop, CD Player etc. will be provided with this radio. This special cable suits the different impedances between the modern equipment and the receiver. Furthermore the two stereo channels flow into one without increasing the load to the input unit.

HISTORY

In 1891, the brothers Gerard and Anton Philips, started to produce the first incandescent bulbs in Eindhoven.
Later, Philips specialized in the production of electro- medical equipment, and in 1918 introduced the first X-ray tube.
In the following years, Philips began specializing in the broadcasting industry. In 1932 the company succeeded in selling over one million radio equipment and became the world’s first producer.
During the Second World War, Philips transferred to the Netherlands Antilles, and returned to the Netherlands at the end of the conflict.
In the second post- war period, began the production of the first televisions, then the launch of the music cassettes in 1963 and the production of the first integrated circuit in 1965.
In 1982 Philips launched with Sony the first compact disc player.
In 1984 Philips acquired the control of the German Grundig.
In the 90's Philips faced a financial crisis.
In 1991 it inserted on the market the Video CD and it is one of the first companies in the world to develop high definition television.
In 1999 Philips established a joint venture with LG Electronics, named LG Display, which ends in 2009.
In 2006 together with Sony launched the first Blu-ray.
In 2009 Phillips launched the first full-HD LCD TV in 21:9 format.
Phillips holds 48,000 registered patents.
Currently, the production is focused on low- energy lighting products and LED systems and services for diagnostics and production of medical devices.

MAIN FEATURES

Year of production: 1955
8 AM Circuits
12 FM Circuits
Wavebands:: LW, MW, SW, FM
Loudspeakers:
1 sub-woofer
1 mid-woofer
2 mid-tweeter
Operating voltage (CA): 110; 125; 220; 240 Volts
Dimensions (LHP): 700 x 455 x 275 mm / 27.6 x 17.9 x 10.8 inch
Net weight: 18 kg / 39 lb 10.4 oz
11 Tubes: ECC85 ECH81 EF89 EBF80 EM80 EABC80 EC92 EL84 UL84 EL84 UL84

Rotating ferrite aerial for AM bands

Ironless output

Philips Capella 753/4E/3D

Philips Capella 753/4E/3D
Philips Capella 753/4E/3D

AMPLIFIERS

The preamplifier consists of two stages. At the entrance, the volume potentiometer is equipped with three sockets for physiological correction (loudness). The intervention curves are visible in the first graph.
Philips considers the frequency of 800 Hz to be the center of the audible band, so the treble and bass controls are calculated to enhance the frequencies above and below that value. The choice of this frequency is very important for the musicality and the pleasantness perceived by listening to the device.
In the second graph the frequency response of the preamplifier, with the tones enhanced to the maximum. You notice the different equalization you get by listening to the AM bands (Long Waves, Medium, Short) or listening to the FM band and PHONO.

The final stages are two distinct, one for the low frequencies and one for the high frequencies. These amplifiers control separate speakers, a 26 cm woofer for the bass and three speakers for mid/high frequency, with the 17 cm front speaker disconnectable for 3D effect.
The most interesting feature of these final stages is that they are without an output transformer.

The feature that makes this device very interesting is that each final stage uses a pair of EL84 / UL84 in an ironless configuration, ie without an output transformer (the known critical point of the final stage).
The output stage uses the operating principle called Shunt Regulated Push-Pull (SRPP) used today in HIGH-END amplifiers.
The output transformer limits the bandwidth of the entire amplifier. The bass is limited by the inductance of the primary winding, the treble is limited by the parasitic capacitance resulting from the alternation of the primary and secondary windings. The alternating winding of the primary and the secondary windings is also necessary to improve the coupling and thus reduce the dispersed flow.
The reduction of the dispersed flow increases the damping. This is essential in the loudspeakers mounted inside the cabinet of the radios, which do not work in hermetically closed boxes, and which are therefore free to move almost without resistance from the surrounding air.

The two output tubes (EL84, UL84) of each channel, four final valves in total, are connected in series with DC-DC coupling. Each UL84 is configured as a triode.
The output is taken from the cathode of the UL84. The speaker has an impedance of 800 ohms, identical to the average impedance that occurs on the catode, whereby direct coupling (without transformer) is possible between the final stage and the loudspeaker.
The Philips Capella 753 is therefore totally free of all the problems deriving from the output transformers.

The damping of the loudspeakers is kept high by the low dynamic resistance of the feedback loop.

 

MOTORIZED TUNING AND PRESET MEMORY

Another feature of the Philips Capella 753/4E/3D is motorized tuning and preset memory.
Using 6 keys on the keyboard it is possible to memorize 3 FM stations, 2 in Medium Waves and 1 in Long Waves.
Pressing one of the storage keys via a cable pulls the lever H. The opposite side of that lever is pushed towards the disk R. This disk is divided into two parts with different diameters. Depending on how the disc is positioned, the lever H moves by activating a switch that turns the motor to the right or left until the lever H is fitted on the groove on the disc R. At this point, the motor stops. The R disks are rigidly connected to the axis A1 and through frictions to the R disk.

Tuning procedure

When a memory key is pressed, the motor will start to turn to the right or left according to the above.
Through the gears, Z1, Z2, Z4, Z5 the axis A1 is turned. Through the gears, Z6, Z7 the variable capacitor is rotated, which stops when the lever H engages in the groove of R.
To memorize a station, simply press the button on which it is to be stored, pull the tuning knob and turn it to the desired station.

Philips Capella 753/4E/3D

Philips Capella 753/4E/3D

TONE CONTROL WITH LEVEL INDICATION

The tones control system is very efficient.
Above the large tone control knobs there is two bands that lights up gradually indicating the emphasis on the band on which it acts.
The high-tone control knob is linked to two thin ropes. One of them is for the position indicator of the control itself, whereas the other changes the position of the ferrite in the MF transformers modifying the its curve.
By doing so high tones were attenuated/accentuated even before getting to the BF stage. 

Bass at max - Treble at max

Philips Capella 753/4E/3D

Bass at min - Treble at max

Philips Capella 753/4E/3D

Bass flat - Treble flat

Philips Capella 753/4E/3D

Bass at max - Treble at min

Philips Capella 753/4E/3D

Bass at min - Treble at min

Philips Capella 753/4E/3D

ANTENNE

Inside the cabinet there is a dipole for FM reception and a ferrite rotating aerial for AM reception.
Ferrite aerial can be rotated from the outside to achieve a perfect tuning of the device in the AM.
In this picture see the rotation mechanism and the position indicator of the aerial.
The reception sensitivity with internal aerials is very good. 
Using an external aerial sensitivity is further increased.

TUNING INDICATOR

The magic eye has of course been replaced.

Philips Capella 753/4E/3D

LOUDSPEAKERS

The 28 cm loudspeaker, with a 25 mm diameter magnetic core, is placed at the front.
A front 17 cm mid-tweeter can also be switched off if you want to increase the 3D effect.
On the two sides, there are two elliptical tweeters pointing upwards. Radiating to the ceiling of the room to take advantage of the reflections of the environment that add to the direct radiation produce an expansion of the soundstage.
There are no dangers of stationary wave due to the working frequency of these speakers.

There are several options for connecting external speakers.
It is, in fact, possible to connect an external woofer, excluding or not the internal woofer while leaving all the other speakers active.
It is possible to connect external medium-high units, excluding or not the internal mid-tweeters, while leaving the internal woofer active.
It is possible to connect woofers and external medium-high units, excluding or not all, or some, internal speakers.

CONTROL PANEL

Philips Capella 753/4E/3D

In the center of the speaker panel is the Magic Eye which indicates the perfect tuning of each station.
KLANGREGLER - Low Tone Indicator (FA Key) and High Tone Indicator (SOL Key).
Just below we find the large Volume knob, with built-in automatic loudness correction.
Coaxially you can see the 3 position Speaker Selector Lever (External Only - Indoor + Outdoor - Indoor Only)
Below we find the two coaxial knobs arranged horizontally, which respectively command the Bass Tones and the Treble Tones.
In the middle, we see the dial scale of the AM bands on a dark background (Long Waves - Medium - Short) and the dial scale of the FM band on a golden background.
FERROCEPTOR - Indicator of the position of the internal ferrite antenna. This internal antenna (excludable with the HA key) is used in the OM and OL bands. The internal antenna must be rotated until the best tuning is achieved.
Just below we find the large knob of the Manual Tuning, whose movement is very pleasant being supported by a large flywheel.
ZEIGER - Coaxially you can see the drive lever of the Motorized Tuning. It can be moved in the two directions, to the left or to the right.
Finally, underneath again we find the Rotation knob of the Ferrite Antenna.

To store a station you must:
1 - press the desired memory key.
2 - Pull the tuning knob and tune to your favorite station.
3 - Release the tuning knob.


Under the dials, we meet a long series of 14 keys.
Starting from the left the keys have the following functions:
OL memory
OM1 memory
OM2 memory
AUS - Switch off
3D - Excludes Mid / Front Tweeter by increasing the three-dimensional effect of the sound
HA - Outdoor / Indoor Antenna for OM and OL
LW - Long Waves
MW - Medium Waves
KW - Short Waves
UKW - FM
FM1 memory
FM2 memory
FM3 memory

REAR SIDE

Output for external speakers.
Socket for recorder (tonbandgerat).
Turntable input (Tonabnehmer)
AM and FM aerial inputs and ground socket.

Be careful: Use ONLY 800 ohm loudspeakers

RESTORING WORKS

THE USUAL AMAZING LAST IMAGE
Philips Capella 753/4E/3D
Korting Neckermann Stereo Steuergerät 821/80 german radios - en

Korting Neckermann Stereo Steuergerät 821/80 – en

KÖRTING NECKERMANN STEREO STEUERGERÄT 821/80

KÖRTING NECKERMANN STEREO STEUERGERÄT 821/80

Korting Neckermann Stereo Steuergerät 821/80 has an elegant line and its compact dimensions in relation with other sinto amplifier of that period make this machine easily placeable in modern and minimalistc environments.

Its the most prestigious device produced by Körting-Neckermann in those years. Körting became famous for its excellent (and expensive) TVs and then the company had been absorbed, like many other german companies, by foreign assets, in this case Slovenian to produce various electronic devices.

The use of this machine is very simple, being it intentionally not equipped of filters compensations automations or others. A few but very efficient controls: treble, bass, volume, balance and obviously the tuning changes.
In particular, the tone control (Baxandall) is extremely efficient. It is the same kind of control still used nowadays in the high fidelity amplifiers.

Korting-Neckermann 821-80

The balance has been obtained with a particular circuital solution, the control indeed has been placed after the output transformer. You get a balance control that can be very precisely calibrated. However, even turning the knob all on one side, the channel never reaches the Zero.

Korting-Neckermann 821-80

STEREO DECODER

The device is equipped with the rare Stereo Decoder, allowing you to listen to a multitude of FM Stereo broadcasts in stereo

DETAILS >

SEPARATE LOUDSPEAKERS

It is possible to connect any speaker, preferably with high efficiency.

DETAILS >

BLUETOOTH

Built-in Bluetooth receiver

DETAILS >

MULTI PLATFORM CONNNECTION

Each radio is equipped with a special cable that connects with any digital source.

DETAILS >

TUBESOUND ENHANCEMENT

- Separate loudspeakers - Using separate loudspeakers is an important option for stereo receivers. This allows you to couple the receiver to speakers best suited to particular space, design or acoustic performance requirements. The most suitable loudspeakers are analysed later, under loudspeakers.

- Stereo Decoder - The device has an integrated Stereo Decoder. This allows you to listen to stations that use this transmissions system in stereo. Many stereo receivers are not equipped with a Multiplexer so they work in stereo only when you select the record player’s /Recorder/Aux input . Such receivers, in listening to the radio, send the same signal to both channels, so listening is monaural. This is not the case with the Concertino 2380, which is totally beyond stereo.

- Built-in Bluetooth receiver - This unit can be equipped with a BLUETOOTH receiver powered directly from the device. That makes it possible to use the amplifier from any digital device, IPAD, Smartphone, or sophisticated multimedia station. You can listen to your wireless Web Stations or favorite music around the room. On request, we can also mount a Wireless Receiver.

- Multi Platform connections - Along with the device, we can also provides you an impedance adapter cable to connect any digital source, such as iphone, smartphone, computer, CD player, etc. This purpose-built cable adapts different impedances of modern digital equipment. Also the two stereo channels are collected into a single flow without increasing the load input unit.

MAIN FEATURES

Year of production: 1965

Superheterodyne IF: 460/10700 10 Circuiti AM 17 Circuiti FM

Wavebands:
Medium Waves (OM), Long Waves (OL)
Short waves (OC), FM (UKW) 

VOLTAGE (AC): 110; 125; 160; 220 Volts

External Loudspeakers

Dimensions (LHP) : 20 x 8 x 9 inch
Net weight: 20.5 lbs

Tubes 8: ECC85, ECH81, EBF89, 2 x ECC83, EM84, 2 x ECLL800

Stereo Decoder

Korting Neckermann Stereo Steuergerät 821/80
Korting Neckermann Stereo Steuergerät 821/80

AERIALS

Inside the Cabinet there is a dipole to receive FM bands and Shortwaves.

A ferrite antenna is for long and medium waves reception.

Using the internal antennas, the sensitivity is very good. Of course, under some conditions, using an external antenna further increases the receiver’s sensitivity.

SEPARATED TUNING CONTROL BETWEEN AM AND FM

The tuning system is interesting and different than other devices made in Germany. The device is equipped with separate tuning mechanisms for AM and FM bands.
There are two tuning knobs, separate but coaxial, with cable and pulley systems separated depending on the band.
This type of tuning has a very strong mechanics. Regarding maintenance, cleaning and lubricating once every 10 to 15 years is sufficient.

TUNING INDICATOR

The magic eye has of course been replaced.

MAIN CONTROLS

Korting Neckermann Stereo Steuergerät 821/80

It is also there the marker of the stations transmitting in stereo.
At the top left we find the marker of the stereo stations.
Below we find the scales of the long, medium and short waves, and FM too.
On the right, we see two big tuning knobs, concentric, but separated for AM and FM.

It is also there the marker of the stations transmitting in stereo.
At the top left we find the marker of the stereo stations.
Below we find the scales of the long, medium and short waves, and FM too.
On the right, we see two big tuning knobs, concentric, but separated for AM and FM.

Korting Neckermann Stereo Steuergerät 821/80

REAR SIDE

Output for external speakers.
Socket for recorder (tonbandgerat).
Turntable input (Tonabnehmer)
AM and FM aerial inputs and ground socket.

RESTORING WORKS

THE USUAL AMAZING LAST IMAGE
Korting Neckermann Stereo Steuergerät 821/80
Ducati RR3404 Paniere ducati - en

Ducati RR3404 Paniere – en

Ducati RR3404 Paniere

The Ducati Breveti Society was born in Bologna in 1926 by the Ducati family.
The business grew quickly, so much so, that Adriano Ducati decided to extend the production from condenser to complete radio equipment.
When the Borgo Panigale office was opened further expansion took place.
In 1938, the Optics centre was created and for this reason two other plants were built near Borgo Panigale (one near Bazzano and one in Crespellano).
This production intensified to the point that Bruno Ducati began to study a new project to extend the plant even further.
In 1935, the Borgo Panigale plant was established.
This was a modern and ambitious project intended to create an industrial and technological centre in Bologna.
During this time, Ducati developed abroad opening branches in London, Paris, New York, Sydney and Caracus.
In 1954, during state management Ducati’s production was divided into Ducati Electrotechnics and Ducati Mechanics.
Ducati Mechanics was located in Plant 2, while Ducati Electrotechnics (now Ducati Energia) occupied the rest of the building.
The rest is modern history.

It is not a device purchased in recent times. It was purchased from the grandfather of the current owner.
The radio remained in the family, it was the only survivor of a previous collection; it was too important to remain abandoned in a damp warehouse.
This magic talking box, deserved to see the light of day again and make its baritone tone resonate in the middle of the room.

The page dedicated to this device is different from the usual one, it illustrates the history about this excellent and fascinating restoration.

Ducati 350 Mark 3
Ducati 350 Mark 3 - My first motorcycle, purchased with my personal savings, aged 18.
Ducati capacitor
The first Ducati capacitor, the “Manens”.

THE DAY IT WAS DELIVERED TO ME

THE LOUDSPEAKER

THE CABINET

THE FRAME

REASSEMBLY

Braun RCS9 braun - en

Braun RCS9 – en

Braun RCS9

Braun RCS9

The best Tube receiver built by BRAUN.
Same receiver you find on model with turntable Atelier 2 and 3.

This receiver section represents the utmost of Braun tube production. It belongs to the class of biggest German receivers such as Telefunken Opus 2550, Nordmende 3004, Graetz Stereo Unit 250, the Saba Studio I etc.

Main feauture of this device is the simplification of electric circuits (today is pretty self-explanatory, but in 1961 it was considered a remarkable feature). Differently from other devices the Braun’s Negative Feedback is reduced to a single resistance (highlighted in red) aiming at a low distorsion and an excellent musical transparency.

The sounds control circuit is canonical: a very efficient and balanced Baxandall circuit (highlighted in yellow). It allows the sound control without changing the signal’s phase according to potentiometers.

The Loudness circuit (highlighted in green) is extremely simple and studies for a correct emphasis of low frequencies. Sound quality is as good as Telefunken’s, Nordmende’s, grundig's and Graetz’s of the same level, more refinement maybe.. You will definitely need high-efficiency loudspeakers. This enhanced device is valuable for its breathtaking design and for its performance both.

Braun Atelier 3 Enhanced

-FM frequency range widened from to 88 up to 104 MHz.
- Ultra noiseless MPX decoder embed.
- Output stages with noiseless resistors.
- Bluetooth receiver embed.
In no other place is there so much

 

FM FREQUENCY RANGE
FM frequency range widened from 88 up to 108 MHz

READ MORE >

IMPROVED AMPLIFIERS
Amplifiers with new noiseless capacitors and resistors

READ MORE >

STEREO DECODER
Ultra noiseless MPX decoder embed

READ MORE >

BLUETOOTH
Bluetooth receiver embed

READ MORE >

TUBESOUND IMPROVEMENT

- FM frequency range widened from to 88 up to 104 MHz - The tube radios produced in Germany in the years 50/60 are famous worldwide for their excellent sound quality, the beauty of their furniture, their strength and for their construction standards without compromise. Unfortunately the FM band extending from 87.5 to 100 MHz for which are scarcely usable in most cases. After careful study and a lot of tests we were able to obtain a frequency range by some units from 88 to 104 MHz. We have also reconstructed a display exactly identical to the original, made with the same materials and the same techniques, but with the new frequency range. The result is perfect. An original device, but with the ability to listen most stations in any country.

- Improved amplifier - New high quality Metal Film resistors take a place of the noisy old carbon composite resistors. The old capacitors are completely renewed with very low parasitic losses (ESR). Great attention in the direction of assembly of the components has been used. All the improvements are substantial.

- Ultra noiseless MPX decoder - A MPX decoder was introduced between RF and BF stages. Usually it lack. It's a decoder developed specifically for this unit by a German engineer I work with. The noise level introduced is very low. Crosstalk is perfectly calibrated. With correct receiving conditions the result is an accurate reconstruction of the sound stage.

- Bluetooth receiver embed - The unit is equipped with a BLUETOOTH receiver powered directly by the receiver power supply. This makes it possible to control the amplifier from any external digital device as an IPAD, a Smartphone, or a sophisticated multimedia station. So you can hear your preferred web station or your lossesless file without cables on the room. Wireless Receiver can be equipped upon requests.

Rams-London

Dieter Rams installing the 'The New Electronics' pavilion for the show "Designing Modern Life" held within the Design Museum in London.

London Design Museum Rams

Design Museum of London

Short bibliograpy

- Walter Gropius, The new architecture and the Bauhaus, Cambridge, M.I.T. Press, 1968, ©1965.
- Gropius - Marston Fitch, Walter Gropius, New York, G. Braziller, (The masters of world architecture series), 1960.
- Magdalena Droste; Angelika Taschen, Bauhaus 1919 - 1933, Ko?ln Taschen 2002,
- Reissinger; Robinson; Siebenbrodt, Bauhaus Weimar - designs for the future, Ostfildern-Ruit : Hatje Cantz Publishers, 2000.
- Jaeggi-Schwaiger, Fagus: industrial culture from Werkbund to Bauhaus, New York , Princeton Architectural Press, 2000.
- Hans-Joachim Braun, The German economy in the twentieth century (The German Reich and the Federal Republic), Routledge, New York 1990.
- Jonathan M Woodham, Twentieth century design, Oxford University Press, Oxford 1997.
- Nigel Whiteley, Design for society, London, Reaktion Books, 1998.

Web:
- http://www.bauhaus.de/
- http://designmuseum.org/design/dieter-rams
- http://gizmodo.com/5411868/dieter-rams-gallery/gallery/10
- http://www.formguide.de/en/designers/overview/peter-keler/

BAUHAUS AND 60's

The 1961 is one of those "crossroads" years of the History of Twentieth Century. That year's events will leave a deep mark - for better or for worse - in Europe. The international context has deeply changed form the post-war years. The Nations that allied to defeat the Nazi Germany are by now opposed militarily and ideologically. From the beginning of the year the Cold War influences the whole World. The threat of a new Global War appears at this point inevitable, and the assumptions are all there. In this gloomy climate, a series of crucial events for mankind comes in succession.

In Germany, in particular, 1961 is recalled as "The year of the wall". In few days the Authorities of the German Democratic Republic ordered the construction of a double layered wall and an armed surveillance system to divide East Berlin form the western sectors. Berlin Wall becomes the symbol of a contrast between East and West that gradually involves the whole World, shortly afterwords bringing it to the brink of a nuclear catastrophe with the Cuban crisis two years later.

The contrasting two superpowers involves all sectors of the economic and political life. Scientific research paves the way to the conquest of Space, opening another contest front between USA and USSR to reach the Space. On April 12th, 1961 Yuri Gagarin with the Vostok 1 is the first human being to travel into Space and orbit around the Earth. the United States of America have to acknowledge the huge leap ahead of the technological development of Soviet Union.

It's the intellectuals turn to build bridges between the counter posed parts. 1961 is sure enough an extraordinary year also for Culture: Ivo Andric is awarded the Nobel Prize in Literature; the debate between Positivism and Dialectical materialism divides the Frankfurt School. Karl Popper and Theodor Adorno discuss on the Scientific Research Methodology and give birth to the "Positivismusstreit", namely the clash between Positivism and Dialectical materialism that will influence the future Epistemological debate. The philosophical debate is as such originated by the different ideological visions of Marxism and Positivism. Hemingway commits suicide and Primo Levi writes "La tregua/The Truce", an account of a return to the world of the Living after the hell of Lagers.

The 1961 is moreover the Economic Boom year and the re-construction of the Europe that had been destroyed during the Second World War -that went on during the '50s - forms the paving ground of an unprecedented economic growth period. The welfare society arises, and Germany is in the front line.

German culture rediscovers Weimar. and the representatives of the artistic and theatrical avantgarde, such as Brecht. Walter Gropius, founder in 1919 of the revolutionary tendency of Bauhaus Architecture, establishes in Darmstad the Bauhaus Archive. The Bauhaus, created in 1919, and permanently snapped off with the coming to power of Hitler, is rediscovered in the early '60s by the new generation grown in the harsh postwar period. The rediscovering of the essential lines of the concept of the great German architect is, for the architects of the '60s an Epiphany. The hose and the furniture become the final product of a mental, planning and practical process that combines together technique, ergonomics, simplicity in an totally innovative stylistic merger.

New building techniques concepts enter into the big firms trough by hiring designers, new profession that starts influencing the production lines. With thins new approach the product-objects that are sold are to be seen in a “total” product vision, that is a synthesis of technique and concept.The modern idea of Design as we currently mean it is born.

Braun is one of the first Firms that decides to invest in Design. The best designer was Dieter Rams, who was on apprentice with Otto Apel (Apel was for ten years the assistant of Albert Speer, Hitler's architect, and following that became the Ministry for Armaments and War Production of the Reich. After the war he was hired by the Americans to modernize the construction industry techniques in the USA). Rams started a stylistic research work that brought him to develop the concept of “ergonomic essentiality”, summarized in his aphorism "Weniger, aber besser", that is “Less, but better” or in a wider sense “Less, as long as better”.The influences of the Bauhaus are clear in his works, particularly Peter Keler works, from which he took the concepts of “spatiality” and “linearity” of works as "Wiege (Cradle)", 1922 translating the into simple and elegant lines.

Carlo Giacchin

Dieter Rams Paris.jpg

Dieter Rams at Vitsœ - Paris

Dieter Rams’ 10 principles of good design

Good Design is Innovative - The possibilities for innovation are not, by any means, exhausted.
Good Design Makes a Product Useful - A product is bought to be used. Good design emphasises the usefulness of a product.
Good Design is Aesthetic - The aesthetic quality of a product is integral to its usefulness because products are used every day and have an effect on people and their well-being.
Good Design Makes a Product Understandable - It clarifies the product’s structure.
Good Design is Unobtrusive Products - fulfilling a purpose are like tools. They are neither decorative objects nor works of art.
Good Design is Honest - It does not make a product more innovative, powerful or valuable than it really is. It does not attempt to manipulate the consumer with promises that cannot be kept.
Good Design is Long-lasting - It avoids being fashionable and therefore never appears antiquated.
Good Design Is Thorough Down to the Last Detail - Nothing must be arbitrary or left to chance. Care and accuracy in the design process show respect towards the consumer.
Good Design is Environmentally Friendly - Design makes an important contribution to the preservation of the environment.
Good Design is as Little Design as Possible - Less, but better. Back to purity, back to simplicity.

MAIN FEATURES

 

Year of production: 1961/65

Superheterodyne IF 455/10700
8 AM Circuits 12 FM Circuits

Wavebands: LW, MW, SW, FM

Operating voltage (CA) 110; 125; 160; 220 Volts

Dimensions (LHD): 562 x 195 x 280 mm / 22.1 x 7.7 x 11 inch
Net weight: 13 kg / 28 lb 10.1 oz (28.634 lb)

11 Tubes: ECC85 ECH81 EF89 EBF89 EM84 ECC83 ECC83 EC92 EC92 ELL80 ELL80

Rotating ferrite aerial for AM bands

Braun RCS9
Braun RCS9

TONE CONTROL

The tone control system use Baxandall circuits as described in the initial comments.
The network is logarithmic and also potentiometers, as in the original Baxandall project.
With this circuit the improved symmetry of response curves is worth it.

AERIALS

Inside the cabinet there is a dipole for FM reception and a ferrite rotating aerial for AM reception.
Ferrite aerial can be rotated from the outside to achieve a perfect tuning of the device in the AM.
In this picture see the rotation mechanism and the position indicator of the aerial.
The reception sensitivity with internal aerials is very good. This unit was in fact produced in a period when there were not many radio stations and those available fairly apart from each others.
Using an external aerial sensitivity is further increased.

Braun RCS9 Atelier 2
Braun Atelier 3 Enhanced

TUNING INDICATOR

The magic eye has of course been replaced.

CONTROL PANEL

Braun RCS9

The volume control is on the left (with built-in loudness) and axially.
The next control you meet on the left is the Treble. Then you can see the Bass control knob.
Above you see the Magic Eye (Tuning Indicator)
On the left you meet the band spread dial with the FM, Short, Medium, and Long Wave bands.
Below you see the control buttons. Respectively: Off, Voice, AFC, Stereo/Mono, Turntable, LW, Internal AM Antenna, MW, SW, FM.
On the right the big tuning knob.
Below you see the Volume Control II (Deactivated), the Balance control and the ferrite aerial orientation knob. 

Braun RCS9 Atelier 2

REAR SIDE

AM and FM antenna inputs and ground socket.
Output for external speakers.
Socket for recorder (tonbandgerat).
Turntable input (Tonabnehmer)

RESTORATION STEPS

THE USUAL AMAZING LAST IMAGE
Braun RCS9
Saba Freiburg 14 german radios - en

Saba Freiburg Vollautomatic 14 Stereo – en

SABA FREIBURG VOLLAUTOMATIC 14 STEREO

SABA FREIBURG VOLLAUTOMATIC 14 STEREO

I started the description of the Saba Freiburg 100 with this sentence: going beyond one’s self is the destiny of the greatest. And the story goes on. The Saba Freiburg 14 is the evolution of Freiburg 100, 125,11 and 12. The Freiburg 14 is the ultimate model. It was followed only by the Freiburg 18 (having an elliptical tweeter instead of two round tweeters and wooden band instead of canvas – this aesthetic choice was not appreciated by everyone).
Saba, following the German tradition, continued to use the name Freiburg for its top models, even though the latter did not have anything in common with the original masterwork.
I want to highlight the fact that this was the top model of the most prestigious german brand in the golden age of german technology and production.
As I have mentioned before, the first visual impact is shocking and exciting. This is a huge device successfully showing off its majesty.
The sound impact is even stronger and more exciting. But before that, I would like to present a brief description of one of the most distinguishing feature of this device: the loudspeaker system.

BLUETOOTH
Bluetooth receiver embed

READ MORE >

MULTI PLATFORM CONNECTION
Each radio is equipped with a cable for connection to any digital device.

READ MORE >

TUBESOUND IMPROVEMENT

- Bluetooth receiver embed – The unit is equipped with a BLUETOOTH receiver powered directly by the receiver power supply. This makes it possible to control the amplifier from any external digital device as an IPAD, a Smartphone, or a sophisticated multimedia station. So you can hear your preferred web station or your lossesless file without cables on the room. Wireless Receiver can be equipped upon requests.

Multi Platform Connection – A customized adaptation cable to connect any digital device as Iphone, Smartphone, Laptop, CD Player etc. will be provided with this radio. This special cable suits the different impedances between the modern equipment and the receiver. Furthermore the two stereo channels flow into one without increasing the load to the input unit.

Saba Factory - Villingen - 1960

Saba Factory - Villingen - 1960

HISTORY

SABA is the acronym for Schawarzwälder-Apparate-Bau-Anstalt meaning engineering institute of Technological appliances of the Black Forest.

The company was founded back in 1835 by Joseph Benedikt with the initial name of Jockele-Uhren, but only in 1923 the production of radio devices began and the company went under the name of SABA.
Toward the end of the 20s SABA became famous with the well-known S35 and in the following years it became the second German producer after Telefunken. During the war SABA produced military equipment and in 1945 the company was completely destroyed by a bombing.
In 1947 the production of radio devices began again and SABA distinguished itself immediately for ist avant-garde and high- quality production.

hey also began to produce TVs (the first PAL color TV is a SABA), house appliances and medical equipment. Many Italians used to work there. The Alnico Greencone loudspeakers became popular for their linearity, power handling, constant impendence that would be employed in each Hi-Fi devices of that time.

The radio devices with motorized tuning became popular as well and SABA became the representative German brand meaning quality, reliability and detailed precision. In the 1970s the decline began. According to specialized magazines of that time not having a Japanese device at that time meant not having Hi-Fi. In the 80s Thompson took over SABA. In the 90s the other way around, having a Japanese device of the 70s meant not having Hi-Fi. They found out that they functioned with a 96% counterreaction and that a device with 0.001 db from 1 to 100 KHz extension did not necessarily sound good.

We do not trust our ears and we do trust what other people say not necessarily with a good purpose.
2007: due to insolvency SABA disappeared from the TLC (Chinese) and Thompson (French) joint venture, and SABA ceased to exist.

MAIN FEATURES

Year of production: 1963-64
10 AM Circuits
13 FM Circuits
Wavebands: Medium Waves (OM), Long Waves (OL), Short waves (OC), FM (UKW)
5 Greencone loudspeakers:
2 x 10" Alnico woofers
2 x 8" Alnico mid/woofers
1 Elliptical tweeter
Dimensions (LHD):: 27,6 x 17.9 x 12.2 inch
Net weight: 53.6 lb
14 Tubes: EC92 EC92 ECH81 EF89 EM87 EBF89 EF86 EF86 ECC83 ELL80 ELL80 EM84 EABC80 ECL80
Ferrite rotating aerial
Automatic tuning research
Optional remote control
FM stereo decoder

Saba Freiburg 14

TONE CONTROL WITH LEVEL INDICATION

The tone control system is really efficient. Above the tone control knob you can find a small window that progressively lights up indicating the emphasis given to the band.

BANDBREITE SCHALTBAR

The correction system of the frequency response is composed of one button, MUSIK/SPRACHE.
They allow the emphasis of high and low tones while listening to music and of medium tones while listening to spoken programs.
A light indicates the selected choice

Saba Freiburg 14

AERIALS

Rotating ferrite curve with lightened window indicating its position.
The ferrite curve can be rotated through a big knob which is coaxial to the volume knob. Inside the piece of furniture there is a dipole for the FM reception and a directable ferrite curve for the AM reception.

SEPARATE CONTROL TUNING BETWEEN AM AND FM

The device is equipped with separated tuning mechanisms for AM and FM bands and for each of the FM bands.
There is only one tuning knob but the selector changes on a cable and pulley system that are separated according to the band.
Worth noticing is the accuracy and the complexity of the motorized FM group.

Saba Freiburg 14

TUNING INDICATOR

Both the magnetic eye indicating the tuning and the one indicating the reception of a stereo station are new.

AUTOMATIC MOTORIZED TUNING

The tuning system is a masterwork.
It is a motor with windings supplied in a phase shifted by some capacitors. It permit to change the motor rotation direction of according to whether the search is in one sense or another.
The tuning is centered by drawing part of the signal from the CAC circuit and by using a relais controlled by a tube.
As already mentioned, calibration is rather complex and it cannot be put into practice without referring to SABA’s original manuals.
Below a detail of the engine and the scheme section to control the automatism.

Saba Freiburg 14
Saba Freiburg 14

VOLUME CONTROL

Another interesting feature is the volume control.
The knob does not automatically control the volume potentiometer. It controls through an unknot push-back.
The motorized remote control has a slight friction effect which strengthens the resistance when you turn the knob.

REMOTE CONTROL

Another exclusive feature is the possibility to insert the plug (see picture) in the designated back socket and remotely control the volume and tuning.

Stock Photography

LIGHTENED KEYBOARD

Another remarkable feature is the lightened keyboard.
The selected button lightens up.
The small Light bulbs are very rare and hard to be found.

MONO/STEREO SWITCH

Mono/stereo commutator does have its lightened indicators as well.
Usuallu the stereo position work only when you are listening to CDs or IPODs, but this model is equipped with a stereo decoder allowing an accurate stereophony FM reception.

The magic eye on the right side works as a modulation intensity indicator of the stations that have been received in stereophony.
The picture above shows the reception of a stereo station.

LOUDSPEAKERS

Loudspeakers are another remarkable feature of this device: the well-know Alnico Greencone.
Its side wideband create a three-dimensional effect.
The topic has been largely researched before the advent of stereophonics and quadrophonics.
The sound is amazing

CONTROL PANEL

Saba Freiburg 14

The first small window that can be seen on the left side indicates whether the ferrite curve is inserted and its position.
On the left side you can also find the volume control (with incorporated loudness) and the ferrite curve rotation control.
Right above the volume control there is a magic eye indicating the perfect tuning of each station.
Below you can see the Mono/Stereo indicator and further below the bass control knob.
The AM bands with Short, Medium and Long Waves and the FM displays.
Starting from the lefthand corner you can see the Musik/Sprache, Stereo/Mono, AUX input buttons, the band switch buttons, the Long, medium, short waves and FM switch buttons and the motorized tuning system (Automatik) button.

Lastly the ON button.
Next to it the acutes control knob is to be found.
The Musik/Sprache equalizer indicator.
On the right, the tuning knob, which is supported by a big fly-wheel that renders its movement really pleasant.
The automatic tuning functioning indicator is to be found on the right as well.
Above the stereo modulation indicator and below two buttons for the automatic tuning functioning. Each button activates the automatic tuning mechanism in one or the other direction. By pushing one of those buttons the engine constantly activates the tuning indicator for a fast reposition.

Saba Freiburg 14

REAR SIDE

Output for external speakers.
Socket for recorder (tonbandgerat).
Turntable input (Tonabnehmer)
AM and FM aerial inputs and ground socket.
Remote control inputs

THE USUAL AMAZING LAST IMAGE
Saba Freiburg 14