Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and information about some of the electronic, electrical and electrotechnical Obsolete technology relics that the Frank Sharp Private museum has accumulated over the years .
Premise: There are lots of vintage electrical and electronic items that have not survived well or even completely disappeared and forgotten.

Or are not being collected nowadays in proportion to their significance or prevalence in their heyday, this is bad and the main part of the death land. The heavy, ugly sarcophagus; models with few endearing qualities, devices that have some over-riding disadvantage to ownership such as heavy weight,toxicity or inflated value when dismantled, tend to be under-represented by all but the most comprehensive collections and museums. They get relegated to the bottom of the wants list, derided as 'more trouble than they are worth', or just forgotten entirely. As a result, I started to notice gaps in the current representation of the history of electronic and electrical technology to the interested member of the public.

Following this idea around a bit, convinced me that a collection of the peculiar alone could not hope to survive on its own merits, but a museum that gave equal display space to the popular and the unpopular, would bring things to the attention of the average person that he has previously passed by or been shielded from. It's a matter of culture. From this, the Obsolete Technology Tellye Web Museum concept developed and all my other things too. It's an open platform for all electrical Electronic TV technology to have its few, but NOT last, moments of fame in a working, hand-on environment. We'll never own Colossus or Faraday's first transformer, but I can show things that you can't see at the Science Museum, and let you play with things that the Smithsonian can't allow people to touch, because my remit is different.

There was a society once that was the polar opposite of our disposable, junk society. A whole nation was built on the idea of placing quality before quantity in all things. The goal was not “more and newer,” but “better and higher" .This attitude was reflected not only in the manufacturing of material goods, but also in the realms of art and architecture, as well as in the social fabric of everyday life. The goal was for each new cohort of children to stand on a higher level than the preceding cohort: they were to be healthier, stronger, more intelligent, and more vibrant in every way.

The society that prioritized human, social and material quality is a Winner. Truly, it is the high point of all Western civilization. Consequently, its defeat meant the defeat of civilization itself.

Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

OLD, but ORIGINAL, Well made, Funny, Not remotely controlled............. and not Made in CHINA.

How to use the site:
- If you landed here via any Search Engine, you will get what you searched for and you can search more using the search this blog feature provided by Google. You can visit more posts scrolling the left blog archive of all posts of the month/year,
or you can click on the main photo-page to start from the main page. Doing so it starts from the most recent post to the older post simple clicking on the Older Post button on the bottom of each page after reading , post after post.

You can even visit all posts, time to time, when reaching the bottom end of each page and click on the Older Post button.

- If you arrived here at the main page via bookmark you can visit all the site scrolling the left blog archive of all posts of the month/year pointing were you want , or more simple You can even visit all blog posts, from newer to older, clicking at the end of each bottom page on the Older Post button.
So you can see all the blog/site content surfing all pages in it.

- The search this blog feature provided by Google is a real search engine. If you're pointing particular things it will search IT for you; or you can place a brand name in the search query at your choice and visit all results page by page. It's useful since the content of the site is very large.

Note that if you don't find what you searched for, try it after a period of time; the site is a never ending job !

Every CRT Television saved let revive knowledge, thoughts, moments of the past life which will never return again.........

Many contemporary "televisions" (more correctly named as displays) would not have this level of staying power, many would ware out or require major services within just five years or less and of course, there is that perennial bug bear of planned obsolescence where components are deliberately designed to fail and, or manufactured with limited edition specificities..... and without considering........picture......sound........quality........
..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

Have big FUN ! !
©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All sets and apparates appearing here are property of Engineer Frank Sharp. NOTHING HERE IS FOR SALE !
All posts are presented here for informative, historical and educative purposes as applicable within Fair Use.

Friday, June 22, 2012


The KORTING MARATHON VTS FFS 22" is a 22 inches color television with 32 programs and tuning system synthesizer tuning search system which allows perfect automatic search and automatic AFT tuning of each channel for all bands and special channels VHF + S + UHF.Was first model series featuring the PHILIPS 30AX SYSTEM CRT TUBE and a completely modular chassis controlled even this first time by a micro controller PHILIPS MAB8021.

The VTS Channel selection is controlled by a frequency synthesizer a sweep of available channels is made by a channel selecting arrangement and this sweep is arranged to be stopped when a signal is received. When the sweeping is stopped a fine tuning arrangement takes control to respond to the frequency of the received signal and to compensate for any drift of that signal, a frequency synthesizer controlled channel selection means which includes a fine tuning arrangement; means for initiating a sweep of available channels by the channel selection means; means for stopping the sweep on reception of a signal and means, operable on cessation of sweeping and responsive to the frequency of the signal, and arranged to control the fine tuning arrangement to compensate for frequency drift of the signal.A microcomputer control system is described for effecting channel tuning and function selection in a television receiver. The system will respond to commands entered by a set of controls at the television receiver or to remote control commands received at the television receiver. A channel number display is also provided whereby the channel number of a station currently tuned is displayed. A microprocessor within the system is programmed to validate control information received from an operator either by remotely generated commands or by controls located on the television receiver. Operator supplied information is processed and implemented by the microprocessor control system to effect control over the television receiver.
Microprocessor technology has recently provided circuit designers with a new basic design component. The microprocessor is capable of duplicating many functions heretofore realized with the use of large scale computer systems. The microprocessors have the advantage of being small, low power consumption devices capable of being programmed with instructions for executing mathematical algorithms on data supplied to the microprocessor. The microprocessor, when properly programmed, will execute a set of instructions providing output data during execution which may be used to control a process or apparatus.
The control of television receivers has heretofore required separate circuits for effecting channel selection, function selection and level setting, and remote control. With the microprocessor it has become possible to control these performance aspects with a single preprogrammed microprocessor and suitable input/output circuits. Data indicating the selection of a new channel to be tuned or a function to be controlled by an operator of the television receiver may be supplied to the input port of the microprocessor. This data may be supplied from a set of hand controls or a transducer for detecting remotely generated commands. Remote control systems presently incorporated in many television receivers provide operation of a television receiver by transmitting information bearing ultrasonic sound waves or infrared light waves to the television receiver. These waves when received at the television receiver are decoded into an electrical signal for effecting the change in channel tuning or function level. The microprocessor has the capability of validating this electrical signal and performing all decoding pursuant to preprogrammed instructions. These instructions, when executed by the microprocessor, generate a digital signal for effecting the desired channel change or function level change.

-- The set is a first in featuring  a new set of PAL decoder chips which has been introduced by Siemens, the TDA2560/TDA2522/TDA2530. The first two of these second -source the latest Philips/Mullard decoder i.c.s, with the TDA2560 as luminance and chrominance signal amplifier and the TDA2522 as the reference oscillator/chrominance demodulator. Interesting features of this set up are the fact that the burst signal passes through the chrominance delay line and the fact that the reference oscillator operates at 8.86MHz, a digital divider providing exactly 90° phase displaced 4.43MHz outputs without the need for a phase shift coil. The first UK produced chassis to use these i.c.s is the Tandberg CTV3, the larger UK setmakers staying for the time being with the TBA560C/TBA540/TCA800 combination. The third i.c. from Siemens is the TDA2530 which supersedes the well known TBA530 luminance/colour-difference signal matrix- ing i.c. The TDA2530 contains a negative feedback driver amplifier and internal clamping in addition to the matrixing network.

The 30AX system, which Philips introduced in 1979, is an important landmark in the development of colour picture systems. With previous systems the assembly technician had to workthrough a large number of complicated setting-up procedures whenever he fitted a television picture tube with aset of coils for deflecting the electron beams. These procedures were necessary to ensure that the beams for the three colours would converge at thescreen for every deflection. They are no longer necessary with the 30AX system: for a given screen format any deflection unit can be combined  with any tube to form a single 'dynamically convergent' unit. A colour-television receiver can thus be assembled from its components almost as easily as a monochrome receiver. The colour picture tube of the PHILIPS 30AX system displays a noticeably sharper picture over the entire screen surface. This will be particularly noticeable when data transmissions such as Viewdata and Teletext are displayed. This has been achieved by a reduction in the size of the beam spot by about 30%. Absence of coma and the retention of the 36.5 mm neck diameter have both contributed to increased picture sharpness. Coma has been eliminated by means of corrective field shapers embedded in the deflection coils which are sectionally wound saddle types. The new deflection unit has no rear flanges. enabling uniform self-convergence to be obtained for all screen sizes. without special corrections, adjustments, or tolerance compensations. Horizontal raster distortion is reduced and no vertical correction is required. One of the inventions in 30AX is an internal magnetic correction system which obviates static convergence and colour purity errors. This enables the usual multiple unit to be dispensed with. together with the need for its adjustment !  New techniques have been employed to achieve close tolerance construction of the glass envelope. In addition, the 30AX picture tube incorporates two features whereby it can be accurately adjusted during the last stages of manufacture. One is the internal magnetic correction system. The other is an array of bosses on the cone that establish a precise reference for the axial purity positioning of the deflection unit on the tube axis and for raster orientation. During its manufacture, each deflection unit is individually adjusted for optimum convergence. The coil carrier also incorporates reference bosses that co-operate with those on the cone of the tube. ' Since every picture tube and every deflection unit is individually pre-aligned, any deflection unit automatically matches with any picture tube of the appropriate size. The deflection unit has only to be pushed onto the neck of the tube unit it seats. Once the reference bosses are engaged, the combination is accurately aligned and requires no adjustment for convergence, colour purity or raster orientation. With no multiple unit and a flangeless deflection unit, there is more space in the receiver cabinet. Higher deflection sensitivity means that less current is consumed, and consequently less heat is produced. This increases the reliability of the TV receiver again. 30AX means simple assembly. Any picture tube is compatible with any deflection unit of the appropriate size and is automatically self-aligning as well as being self-convergent.
The well-known 20AX features of HI-Bri, Soft-Flash and Quick-vision are maintained in the new 30AX systern.  In their work on the design of deflection coils in the last few years the developers have expanded  the magnetic deflectionfields into 'multipoles', This approach has improved the understanding  of the relations between coil and field and between field and deflection to such an extent that  designing deflection units is now more like playing a difficult but fascinating game of chess than  carrying out the obscure computing procedure once necessary.
Now that the new Philips/Mullard 30AX tube has put in an appearance, some details can be filled in. The new tube has been developed from the 20AX, which has been in production since 1974, but brings with it several important advances. First, no dynamic convergence, static convergence, purity or raster correction adjustments are necessary. Secondly the new yoke design gives improved deflection sensitivity, a straight NS raster, and reduced EW raster distortion. Due to the close mechanical tolerances and the inclusion of positioning bosses on the tube bowl, the tube and yoke can be aligned simply by being pushed together - any 30AX yoke will automatically match any 30AX tube of the appropriate size. Thirdly the newly designed electron gun gives a sharper spot, with greater focus uniformity over the screen area. An internal magnetic ring is used to give correct purity and static beam convergence, in place of the multipole unit used in previous in -line gun tube designs. This results in a strikingly compact assembly. The automatic yoke/tube alignment does away with the need for preset mechanical tilt and shift adjustments which, Philips point out, correct one error by introducing another. The new tube is being produced in the 26, 22 and 20in. screen sizes. The power consumption of a set fitted with the 30AX is typicaly 100W compared to 120W with the 20AX system, at 1.2mA beam current and with an e.h.t. of 25kV. This compares with 88W for a set fitted with a 90° narrow -neck tube and hybrid yoke, under the same conditions.

It has a Transistorized horizontal deflection circuits  made up of a horizontal switching or output transistor, a diode, one or more capacitors and a deflection winding. The output transistor, operating as a switch, is driven by a horizontal rate square wave signal and conducts during a portion of the horizontal trace interval. A diode, connected in parallel with the transistor, conducts during the remainder of the trace interval. A retrace capacitor and the deflection yoke winding are coupled in parallel across the transistor-diode combination. Energy is transferred into and out of the deflection winding via the diode and output transistor during the trace interval and via the retrace capacitor during the retrace interval.
In some television receivers, the collector of the horizontal output transistor is coupled to the B+ power supply through the primary windings of the high voltage transformer.

The set is build with a Modular chassis design because as modern television receivers become more complex the problem of repairing the receiver becomes more difficult. As the number of components used in the television receiver increases the susceptibility to breakdown increases and it becomes more difficult to replace defective components as they are more closely spaced. The problem has become even more complicated with the increasing number of color television receivers in use. A color television receiver has a larger number of circuits of a higher degree of complexity than the black and white receiver and further a more highly trained serviceman is required to properly service the color television receiver.
Fortunately for the service problem to date, most failures occur in the vacuum tubes used in the television receivers. A faulty or inoperative vacuum tube is relatively easy to find and replace. However, where the television receiver malfunction is caused by the failure of other components, such as resistors, capacitors or inductors, it is harder to isolate the defective component and a higher degree of skill on the part of the serviceman is required.
Even with the great majority of the color television receiver malfunctions being of the "easy to find and repair" type proper servicing of color sets has been difficult to obtain due to the shortage of trained serviceman.
At the present time advances in the state of the semiconductor art have led to the increasing use of transistors in color television receivers. The receiver described in this application has only two tubes, the picture tube and the high voltage rectifier tube, all the other active components in the receiver being semiconductors.
One important characteristic of a semiconductor device is its extreme reliability in comparison with the vacuum tube. The number of transistor and integrated circuit failures in the television receiver will be very low in comparison with the failures of other components, the reverse of what is true in present day color television receivers. Thus most failures in future television receivers will be of the hard to service type and will require more highly qualified servicemen.
The primary symptoms of a television receiver malfunction are shown on the picture tube of the television receiver while the components causing the malfunction are located within the cabinet. Also many adjustments to the receiver require the serviceman to observe the screen. Thus the serviceman must use unsatisfactory mirror arrangements to remove the electronic chassis from the cabinet, usually a very difficult task. Further many components are "buried" in a maze of circuitry and other components so that they are difficult to remove and replace without damage to other components in the receiver.
Repairing a modern color television receiver often requires that the receiver be removed from the home and carried to a repair shop where it may remain for many weeks. This is an expensive undertaking since most receivers are bulky and heavy enough to require at least two persons to carry them. Further, two trips must be made to the home, one to pick up the receiver and one to deliver it. For these reasons, the cost of maintaining the color television receiver in operating condition often exceeds the initial cost of the receiver and is an important factor in determining whether a receiver will be purchased.
Therefore, the object of this invention is to provide a transistorized color television receiver in which the main electronic chassis is easily accessible for maintenance and adjustment. Another object of this invention is to provide a transistorized color television receiver in which the electronic circuits are divided into a plurality of modules with the modules easily removable for service and maintenance. The main electronic chassis is slidably mounted within the cabinet so that it may be withdrawn, in the same manner as a drawer, to expose the electronic circuitry therein for maintenance and adjustment from the rear closure panel after easy removal. Another aspect is the capability to be serviced at eventually the home of the owner.

It's an interesting fact that the cathode ray tube, which was amongst the very earliest thermionic devices, seems likely to be amongst the very last in everyday use. Receiving valves are largely things of the past, while timebase valves now belong in the service department. The development of the CRT continues apace however, and one cannot see any likelihood of its demise. Solid-state displays have been talked about, and demonstrated, but anything likely to compete on cost and performance grounds with the modern colour tube seems forever to be "at least ten years away". The early experiments with cathode-ray tubes were carried out in the last century. By the turn of the century, crude CRTs could be made. An early CRT, the Wehnelt hot cathode tube of 1905, is on display at the IBA's Television Gallery. By 1910, Alexander Campbell -Swinton had come to appreciate the possibilities of the CRT as a pick-up and display device for television, and put forward suggestions for such a TV system. It was a while however before the type of tube we know today appeared. The tubes of the 1910-30 era were gas focused devices (relying on residual gas to focus the beam), the vacuum pumps of the period producing only a poor vacuum. By the time of the start of the BBC's TV service in 1936 however the modern type of tube had arrived. It was a triode device with external focusing and a deflection angle of around 50°. The usual sizes were 9 and 12in., and the e.h.t. was about 5kV. Post-war developments during the 1950s saw some important innovations. The deflection angle went to 70°, then 90°, then 110°; multi -electrode gun assemblies with electrostatic focusing were introduced; the e.h.t rose to 20kV; improved phosphors became available; and the advent of the aluminised screen considerably improved the brightness and contrast (by reflecting all the phosphor light emission forwards) while overcoming the problem of ion bombardment. Meanwhile, colour had come. The principle of the shadowmask tube had been suggested in the 1930s, but development (by RCA) had to wait until proposals for an acceptable, practical colour broadcasting system were put forward. A regular colour service was started in the USA in 1954, and the receivers were fitted with 21in. shadowmask tubes. Early developments included the use of improved phosphors, but essentially the same tube confronted us with the advent of colour transmissions in Europe in 1967. As you all know, it had three guns mounted in a triangular formation, a dot-phosphor screen, a massive convergence system in two sections (radial and lateral), plus purity magnets and a large metal shield on which the degaussing coils hung. It also needed both NS and EW raster correction circuitry. The first versions in Europe had a deflection angle of 90° : when the 110° version came along in the early 1970s the convergence and raster correction circuitry required were even more complex, but the degaussing shield had disappeared inside the tube. At much the same time however the first major breakthrough in large screen tube design occurred (we put it that way because the innovating Sony Trinitron was at the time mainly a small screen tube) - the RCA PIL tube with its in -line guns, phosphor -striped screen, and slotted shadowmask. The design of the yoke to provide self -convergence in conjunction with the in -line gun arrangement meant that no dynamic convergence system was required, while some simple manufacturer preset magnets provided static convergence and purity correction. Sets using this tube first appeared in Europe in 1975, and meanwhile the PHILIPS 20AX system had come along. Over the last few years the pace of development has quickened to a striking extent. We've had quick warm-up cathodes, the hi-bri technology which increases the shadow mask's transparency, the contoured line screen, the super -arch mask, pigmented phosphors, soft flash to reduce flashover damage, redesigned focus arrangements, and increased use of an earlier development, the black -stripe screen. The latest generation of tubes require no NS raster correction circuitry, which is all part of a parallel development in yoke technology, while the need for EW correction is also in the process of being designed out. With the new Philips 30AX tube, the static convergence and purity system disappear inside the tube in the form of a small internal magnetic ring. It's all a long way from Wehnelt's hot -cathode tube of 1905. The latest colour tubes are compact and have all the various correction arrangements required built in. They are amazing feats of precision engineering, and a solid-state alternative seems as far away as ever. Is there any farther to go along this path? Well, single -gun colour tubes using the beam indexing principle are now understood to be a practical proposition for small screen tubes, so we can't be too sure.

Körting radio; Leipzig,

Although only starting from 1932 beginning with the building of radios, Körting receives a good market position owing to special quality soon. In the early 50's the enterprise (in West Germany) comes because of wrong firm politics into financial difficulties. Rescue brings an alliance with the distributing house Neckermann to which thereby the exclusive right at the label name Körting for the German market is assigned. That has the consequence that Körting no more does not emerge in the catalogs of the German broadcast specialized trade. In the foreign business Körting is however without reservation further active.
1925: Establishment as Dr. Dietz & Knight GmbH, factory for products of radio and transformers, Leipzig, (Körting radio);
1940: Körting radio works Oswald knight;
1949: Körting radio of works Oswald knight GmbH, Marquartstein
1951: Removal after grass sow;
1978: Gorenje Körting electronics.
Radio: 1932 to 1939, 1949 to 1982, of it 1953 to 1978 sales Germany by Neckermann. Körting " obviously occasionally also than; Transmare Werke" firmed. Service documents with this company name for the models Noblesse 70, new fact 70, Novita 70 and Amica 70 exstieren. Fondata: 1925 Storia: From radio catalog volume 1: Two former coworkers of the company Körting & Mathiessen AG, Leipzig, create 1925 the company Dr. Dietz & Knight GmbH, factory for products of radio and transformers, Leipzig. In the enterprise the former employer takes part. But Dr. Dietz may (technically active) and Oswald knight (buyer) for quality admitted name Körting would ride along. They supply under the brand name DR transducer (Supremo), throttles, transformers and dynamic loudspeakers (Magnavox after US license) and other construction units in outstanding quality. Already soon they place the company name Körting radio in front. Probably certain parts or apparatuses come of Körting & Mathiessen. On the season 1932/33 the enterprise radio begins to produce. A series of devices in approximately 20 variants forms the start! Probably not only the 1-Kreiser is developments of Dr. P. Lertes (before with cutter OPELs). One year later produces Körting with the models “Cyclo super” and “Hexodensuper” their first superheterodyne receivers. Körting radio belongs already starting from 1933, thus in to the second sales season, to the large manufacturers! The market share amounts to 5.2%; 1934 is it 7.35% [503]. 1934/35 the “Cyclo Selector”, “Cyclo Royal” etc. also the 2-Kreis-Reflexempfänger “new fact” follow are a successful model, which repeats in modifications to the sale comes . The products of the company are considered to Ultramar as extraordinarily good quality work - e.g. 1935.
With one " Grand Prix" excellent top device of 1938/39 forms the engine-co-ordinated 11-Röhren-8-Kreis-Super “Transmare” at the price of RM 820. Knight can do the 20% participation of the company Körting & Mathiessen buy and contribute the technical line with Körting. It comes to the break with Dr. Dietz. Knight resumes the company as Körting radio works Oswald knight. Dietz dies in the war years. Postwar history FRG: Knight sets off with some coworkers 1949 after Marquartstein in Upper Bavaria. It receives a credit of 5 millions DM from the Bavarian state bank 9 as refugee promotion and builds thereby for 1951 in grass sow at the Chiemsee a new factory. Before it had Niedernfels/Obb starting from 1949 in lock. a radio factory developed. The type politics of its new company tune non or were it the selling?
Anyhow: The 1953 of the bank assigned overhauler Dr.Gerhard Böhme finds 26' 000 unsold radios forwards. Oswald knight withdraws in the summer 1953 as a partner. Böhme reaches that those removes Neckermann dispatch kg in Frankfurt A.M. all broadcast and TV-devices from Körting. These devices carry the name Neckermann apart from the label name Körting. In the first time the trading firm tries to be established by means of its own logo as mark. Devices of this epoch are grass-sourly trade marks marked primarily only on the rear wall with that. That stops not for a long time and the name KÖRTING is emblazoned again dominant at the front side, additionally a something more smaller! Neckermann sign. The Neckermann logo disappears again. Körting may export under own name only. Knight separates 1955 completely from the company; it dies 1959 after long illness. Neckermann supplemental its assortment with products of different companies. It is common to all that except the signature mark Neckermann is not recognizable a further manufacturer designation. Such devices do not come clearly from Körting! The enterprise knows the conversion until 1964 opposite 1952 sevenfold. Despite financial problems the company Körting carries excellent developer work out. Equipped the “with the “Syntektor UKW circuit Syntektor 54W”” is on the Düsseldorfer radio exhibition 1953 a sensation, reaches it nevertheless concerning discrimination and disturbing and/or amplitude modulation suppression unusual data for the UKW receipt. Devices of Körting are natural starting from 1954 in catalogs no more to find - except with Neckermann. Therefore this catalog contains for the time thereafter only samples of different travel radios firmly. Who can help with documents to document this mark better? Thanks. Böhme creates companies in Austria and Italy and locks a cooperative contract with the fermenting the works in Yugoslavia. The group conversion reaches 1973/74 340 millions DM. Körting exported approx. 40% and approx. 30% go to domestic customers under their mark such as Cuba, Silva, Pawerphon, Rosita, Blaupunkt, Siemens and Elac. You find a detailed text over it in [6-118]. It gets around itself in the professional world that Körting in Germany builds the cheapest chassis; each possible work and material saving seem realized [638862].
1975 die Böhme after serious illness. His son Klaus Böhme takes over the management.
1977/78 break down the distributing house Neckermann; the Karstadt company as new partners does not renew the supply contracts. The Yugoslav state enterprise Gorenje transfers the 1978 to bankruptcy Körting fallen, but to 31.3.83 Gorenje Körting electronics comes into liquidation .

Körting in East Germany: In Leipzig the enterprise has an eventful history after the war. Until 1948 knight tries to lead the company, but leads its plans to set off into the west to 16. March 1948 for expropriation. The Leipziger building of radios GmbH is called starting from 1949 VEB radio work Leipzig. Since 1939 the enterprise is under the guidance that Opta radio AG in Berlin (not to confound with the company Loewe in the west). In Leipzig the enterprise is called occasional RFT star radio Leipzig and starting from 1952 VEB communications work Leipzig. One builds radios to 1950/51.

In German:
Körting – ein Name mit einer langen Tradition Seit 1889 gibt es das Unternehmen Körting. Es wurde damals in Leipzig gegründet. Als der Hörfunk in Deutschland sich langsam durchsetzte, begann Körting mit der Fertigung von elektronischen Produkten, von Verstärkern und Lautsprechern. Und diesem Produktbereich ist Körting lange treu geblieben und wurde zu einer Marke in Deutschland. Mitte der dreißiger Jahre begann Körting mit der Herstellung von Radios, die logische Konsequenz war dann, rund 20 Jahre später, die Fertigung von Fernsehgeräten. Und da gehörte Körting mit zu den Ersten.

Nachdem der Absatz von Radios und Fernsehgeräten aus deutscher Produktion immer schwieriger wurde, stellte Körting diese Fertigung ein.

The set here shown is fabricated by:The Gorenje Group is ranked among the leading European manufacturers of home appliances boasting a history of more than sixty years. Our technologically perfected, superiorly designed and energy-efficient household appliances sold under the brand names of Gorenje, Atag, Asko, Pelgrim, Mora, Etna, Körting, Sidex, Upo and the new brand name Gorenje+ are improving the quality of living for users of our products in seventy countries around the globe. The bulk of our products are sold in European markets (98 percent of the products of our largest division – Home Appliances), primarily Germany, Austria and Russia.

 Körting radio; Leipzig, History in GERMAN.
 Obwohl erst ab 1932 mit dem Bau von Radios beginnend, erhält Körting dank besonderer Qualität bald eine gute Marktstellung. In den frühen 50-er Jahren kommt das Unternehmen (in Westdeutschland) wegen falscher Firmenpolitik in finanzielle Schwierigkeiten. Rettung bringt eine Allianz mit dem Versandhaus Neckermann welchem dabei das Exklusivrecht am Markennamen Körting für den deutschen Markt zufällt. Das hat zur Folge, dass Körting nicht mehr in den Katalogen des deutschen Rundfunkfachhandels auftaucht. Im Auslandsgeschäft ist Körting aber uneingeschränkt weiter tätig. 1925: Gründung als Dr. Dietz & Ritter GmbH, Fabrik für Radio-Erzeugnisse und Transformatoren, Leipzig, (Körting-Radio);
1940: Körting-Radio-Werke Oswald Ritter;
1949: Körting Radio Werke Oswald Ritter GmbH, Marquartstein
1951: Umzug nach Grassau;
1978: Gorenje Körting Electronic.
Radios: 1932 bis 1939, 1949 bis 1982, davon 1953 bis 1978 Vertrieb-Deutschland durch Neckermann.

Körting hat offensichtlich zeitweise auch als "Transmare-Werke" firmiert. Es exstieren Serviceunterlagen mit dieser Firmenbezeichnung für die Modelle Noblesse 70, Novum 70, Novita 70 und Amica 70.

  1925: Gründung als Dr. Dietz & Ritter GmbH

Zwei ehemalige Mitarbeiter der Firma Körting & Mathiessen AG, Leipzig, gründen 1925 die Firma Dr. Dietz & Ritter GmbH, Fabrik für Radio-Erzeugnisse und Transformatoren, Leipzig. Am Unternehmen beteiligt sich der frühere Arbeitgeber. Dafür dürfen Dr. Dietz (technisch tätig) und Oswald Ritter (Kaufmann) den für Qualität bekannten Namen Körting mitführen. Sie liefern unter dem Markenzeichen DR Übertrager (Supremo), Drosseln, Transformatoren und dynamische Lautsprecher (Magnavox nach US-Lizenz) und andere Bauteile in hervorragender Qualität. Schon bald stellen sie dem Firmennamen Körting-Radio voran. Wahrscheinlich stammen gewisse Teile oder Apparate von Körting & Mathiessen.

Auf die Saison 1932/33 beginnt das Unternehmen Radios zu produzieren. Den Start bildet eine Serie von Geräten in etwa 20 Varianten! Wahrscheinlich nicht nur die 1-Kreiser sind Entwicklungen von Dr. P. Lertes (vorher bei Schneider-Opel). Ein Jahr später produziert Körting mit den Modellen «Cyclo-Super» und «Hexodensuper» ihre ersten Überlagerungsempfänger. Körting-Radio gehört schon ab 1933, also in der zweiten Verkaufssaison, zu den grossen Herstellern! Der Marktanteil beträgt 5,2%; 1934 sind es 7,35% .

Es folgen 1934/35 die «Cyclo-Selector», «Cyclo-Royal» etc. Auch der 2-Kreis-Reflexempfänger «Novum» ist ein erfolgreiches Modell, das wiederholt in Abwandlungen zum Verkauf kommt [638757]. Die Produkte der Firma gelten als ausserordentlich gute Qualitätsarbeit - z.B. Ultramar 1935.

Das mit einem "Grand Prix" ausgezeichnete Spitzengerät von 1938/39 bildet der motorabgestimmte 11-Röhren-8-Kreis-Super «Transmare» zum Preis von RM 820. Ritter kann die 20 % Beteiligung der Firma Körting & Mathiessen kaufen und bestimmt die technische Linie bei Körting mit. Es kommt zum Bruch mit Dr. Dietz. Ritter führt die Firma als Körting-Radio-Werke Oswald Ritter, weiter. Dietz stirbt in den Kriegsjahren.

Nachkriegsgeschichte BRD:
Ritter setzt sich mit einigen Mitarbeitern 1949 nach Marquartstein in Oberbayern ab. Er erhält von der Bayerischen Staatsbank als Flüchtlingsförderung einen Kredit von 5 Mio. DM und baut damit 1951 in Grassau am Chiemsee eine neue Fabrik. Zuvor hatte er ab 1949 in Schloss Niedernfels/Obb. eine Rundfunkgerätefabrik aufgebaut. Die Typenpolitik seiner neuen Firma stimmt nicht - oder war es der Vertrieb? Jedenfalls: Der 1953 von der Bank beauftragte Sanierer Dr.Gerhard Böhme findet 26'000 unverkaufte Rundfunkgeräte vor. Oswald Ritter tritt im Sommer 1953 als Gesellschafter zurück. Böhme erreicht, dass die Neckermann-Versand KG in Frankfurt a.M. alle Rundfunk- und TV-Geräte von Körting abnimmt. Diese Geräte tragen neben dem Markennamen Körting den Namen Neckermann. In der ersten Zeit versucht das Handelshaus mittels eines eigenen Logos sich selbst als Marke zu etablieren. Geräte dieser Epoche sind vornehmlich nur auf der Rückwand mit dem Grassauer Firmenzeichen signiert. Das hält nicht lange an und der Name KÖRTING prangt wieder dominant an der Frontseite, zusätzlich ein etwas kleineres! Neckermann-Schild. Das Neckermann-Logo verschwindet wieder. Körting darf unter eigenem Namen nur noch exportieren. Ritter scheidet 1955 ganz aus der Firma aus; er stirbt 1959 nach langer Krankheit.

Neckermann ergänzt sein Sortiment mit Erzeugnissen verschiedener Firmen. Allen gemeinsam ist, daß außer dem Namenszug Neckermann keine weitere Herstellerbezeichnung erkennbar ist. Solche Geräte stammen eindeutig NICHT von Körting!

Das Unternehmen kann den Umsatz bis 1964 gegenüber 1952 versiebenfachen. Trotz finanzieller Probleme leistet die Firma Körting ausgezeichnete Entwicklerarbeit. Der mit der «Syntektor-UKW-Schaltung» ausgestattete «Syntektor 54W» ist auf der Düsseldorfer Funkausstellung 1953 eine Sensation, erreicht er doch bezüglich Trennschärfe und Stör- bzw. Amplitudenmodulations-Unterdrückung aussergewöhnliche Daten für den UKW-Empfang.

Natürlich sind Geräte von Körting ab 1954 in Katalogen nicht mehr zu finden - ausser bei Neckermann. Deshalb enthält dieser Katalog für die Zeit danach lediglich Muster verschiedener Reiseradios fest. Wer kann mit Unterlagen weiterhelfen, diese Marke besser zu dokumentieren? Danke.

Böhme gründet Firmen in Österreich und Italien und schliesst einen Kooperationsvertrag mit den Gorenje-Werken in Jugoslawien ab. Der Gruppenumsatz erreicht 1973/74 340 Mio. DM. Körting exportiert ca. 40 % und ca. 30 % gehen an inländische Abnehmer unter deren Marke wie Kuba, Silva, Pawerphon, Rosita, Blaupunkt, Siemens und Elac. Einen ausführlichen Text darüber finden Sie in [6-118]. Es spricht sich in der Fachwelt herum, dass Körting in Deutschland die billigsten Chassis baut; jede mögliche Arbeits- und Materialeinsparung scheint realisiert. 1975 stirbt Böhme nach schwerer Krankheit. Sein Sohn Klaus Böhme übernimmt die Geschäftsleitung.

1977/78 bricht das Versandhaus Neckermann zusammen; der Karstadt-Konzern als neuer Partner erneuert die Lieferverträge nicht. Der jugoslawische Staatsbetrieb Gorenje übernimmt die 1978 in Konkurs gefallene Körting, doch am 31.3.83 gerät Gorenje Körting Electronic in Liquidation [638758].

Körting in Ostdeutschland:
In Leipzig hat der Betrieb nach dem Krieg eine wechselvolle Geschichte. Bis 1948 versucht Ritter die Firma zu leiten, doch führen seine Pläne, sich in den Westen abzusetzen, am 16. März 1948 zur Enteignung. Die Leipziger Funkgerätebau GmbH heisst ab 1949 VEB Funkwerk Leipzig. Seit 1939 ist der Betrieb unter die Führung der Opta-Radio AG in Berlin (nicht zu verwechseln mit der Firma Loewe im Westen). In Leipzig heisst der Betrieb zeitweise RFT Stern Radio Leipzig und ab 1952 VEB Fernmeldewerk Leipzig. Rundfunkgeräte baut man bis 1950/51.

Weblinks und Literatur:

Körting-Radio; Leipzig, später Grassau auf, abgerufen am 20. Januar 2016
Ernst Erb: Radiokatalog (Band 1). M+K Computer Verlag, Luzern 1998. ISBN 3-907007-21-2 (Helveticat)
Körting Radio Werke Oswald Ritter G.m.b.H. Grassau/Chiemgau: Am guten Alten in Treue halten. Werbung mit Foto von Oswald Ritter in: Das Beste aus Reader’s Digest, September 1952, Stuttgart.


Logo entnommen aus Werbebroschüren (PDF) Jogis Röhrenbude Farbfernsehgerät 59313 837/857. Abgerufen am 20. Januar 2016.

Sabine Grunwald: bauhausleuchten? KANDEMLICHT! Eine erhellende Ausstellung, 6. Mai 2003, auf, April 2016

Kandemlampen - geschichte., abgerufen am 29. Mai 2011.

Cyclo-Selector S4340GL auf, abgerufen am 20. Januar 2016

Novum (38) GB2207GW auf, abgerufen am 20. Januar 2016

Ultramar SB7360W auf, abgerufen am 20. Januar 2016

Transmare 38 SB7440W auf, abgerufen am 20. Januar 2016

Ralf Kläs: Antik Radio Homepage Körting. Abgerufen am 29. Mai 2011.

Diese Zahlen sind mit der Vorlage:Inflation ermittelt, auf volle 10 Euro gerundet und beziehen sich auf den vergangenen Januar.

Funkschau, Nr. 16, 1952

Ausstellung. Weltblick 5931 Art.-Nr. 105/10. Deutsches Rundfunk-Museum e. V., Berlin, abgerufen am 29. Mai 2011.

Internationale elektronische Rundschau, Band 13, S. 403 Syntektor 54W. Abgerufen am 20. Januar 2016.

Kataloge gegen Kartelle. In: Der Spiegel. Nr. 44, 1955 (online). Weltblick-Luxus 113/14. Abgerufen am 20. Januar 2016.

Neckermann fing an. In: Der Spiegel. Nr. 6, 1955 (online). Weltblick-Rekord 113/15. Abgerufen am 20. Januar 2016. Dynamic 830W. Abgerufen am 20. Januar 2016. Weltblick Color-Supermatic. Abgerufen am 20. Januar 2016.

Schwarze Kanäle. In: Der Spiegel. Nr. 35, 1967 (online).

Ulrich von Pidoll: Der VW Käfer und seine deutschen Konkurrenten. IG Historische VWs Braunschweig (abgerufen am 20. April 2011)

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