MM 4A-8U Stereo Ch = RC8A-U
Braun; Frankfurt
- País
- Alemania
- Fabricante / Marca
- Braun; Frankfurt
- Año
- 1958–1961
- Categoría
- Radio - o Sintonizador pasado WW2
- Radiomuseum.org ID
- 155855
By courtesy of Gerry Uhlan, Baltimore, USA.
By courtesy of Gerry Uhlan, Baltimore, USA.
By courtesy of Gerry Uhlan, Baltimore, USA.
By courtesy of Gerry Uhlan, Baltimore, USA.
By courtesy of Gerry Uhlan, Baltimore, USA.
By courtesy of Gerry Uhlan, Baltimore, USA.
By courtesy of Gerry Uhlan, Baltimore, USA.
By courtesy of Gerry Uhlan, Baltimore, USA.
By courtesy of Gerry Uhlan, Baltimore, USA.
Haga clic en la miniatura esquemática para solicitarlo como documento gratuito.
- Numero de valvulas
- 9
- Principio principal
- Superheterodino en general; ZF/IF 460 kHz
- Gama de ondas
- OM, OL, OC y FM
- Especialidades
- Tocadiscos con cambiador autom.
- Tensión de funcionamiento
- Red: Corriente alterna (CA, Inglés = AC) / 110; 125; 150; 220; 240 Volt
- Altavoz
- 4 Altavoces
- Material
- Madera
- de Radiomuseum.org
- Modelo: MM 4A-8U Stereo Ch = RC8A-U - Braun; Frankfurt
- Forma
- Consola en general
- Ancho, altura, profundidad
- 44 x 29 x 15.5 inch / 1118 x 737 x 394 mm
- Anotaciones
- This Braun model MM 4A-8U Stereo 01 is a later export version of the "Musikschrank MM4" with 3 speakers (which has a radio chassis RC 62). Here there are 4 speakers - two for each channel and EL84 instead of EL95 etc. Oddly, the left channel woofer is larger than the right channel woofer. The MM4A-8U has a stereo phonograph by Telefunken/Voice of Music, Telefunken Model number TW 501 or later in the 500 series. Another photo, found online, confirmed that it was made by Voice of Music in America, then assembled and customized by Telefunken. The turntable is known to have been used starting in 1958. The tape input jack is also stereo. This, combined with the fact that it is a mono radio, would put it between 1958 and 1961. The tube lineup is shown on a label inside the back cover, and there is also a closer view of the chassis label in another photo: One reads RC 8-U, and the other reads RC 8A-U.
- Peso neto
- 41.2 kg / 90 lb 12 oz (90.749 lb)
- Ext. procedencia de los datos
- Gerry Uhlan, Baltimore, USA (guest)
- Autor
- Modelo creado por Ernst Erb. Ver en "Modificar Ficha" los participantes posteriores.
- Otros modelos
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Contribuciones en el Foro acerca de este modelo: Braun; Frankfurt: MM 4A-8U Stereo Ch = RC8A-U
Hilos: 1 | Mensajes: 1
Hello,
I uploaded Braun Radio Chassis RC 8 schematic, alignment plan (that is also valid for older RC 7 Chassis) and speaker plans. Here´s a table of the "big" Braun Radio Chassis (RC) : 1955/56 : RC 60 (oddly also called RC 55 / RC 56) -- 1956/57 : RC 61 -- 1957/58 : RC62 -- (mid) 1958 : RC 7 (all mono up to here) -- (late) 1958/59 : RC 8 stereo -- 1959/60 : RC 81 stereo -- 1960/61 : RC 82 stereo -- 1961-64 : RC 9 stereo. Only RC 9 can be upgraded by a stereo decoder for FM Stereo reception.
Unlike Grundig or Nordmende, Braun was a relatively small radio company, so we can strongly assume that these chassis have been built one after the other, not in parallel. The suffix (here: /8) is mentioned on the back covers as well as on the type labels, showing us the chassis version and the production period.
While the electronics are the same, speaker configuration differs from model to model. Concerning RC 8 stereo chassis, I uploaded the speaker configurations. Braun´s models with the RC 8 stereo chassis are: TS 3/8, G 11/8, PK-G 5/8, Atelier 1/8, MM 4/8, HM 5/8, HM 6/8, HM 7/8. At this time, the speaker boxes L 1 and L 2 were available, necessary for stereo effect for some of the models mentioned.
Regards, and Happy New Year !
Boris Witke
Boris Witke † 9.2024, 02.Jan.21