- País
- Estados Unidos
- Fabricante / Marca
- Zenith Radio Corp.; Chicago, IL
- Año
- 1934
- Categoría
- Radio - o Sintonizador pasado WW2
- Radiomuseum.org ID
- 19015
-
- alternative name: Chicago Radio Lab
Knobs are not original.
From an auction catalogue.
Operating instructions
Haga clic en la miniatura esquemática para solicitarlo como documento gratuito.
- Numero de valvulas
- 5
- Principio principal
- Superheterodino en general; ZF/IF 456 kHz
- Número de circuitos sintonía
- 6 Circuíto(s) AM
- Gama de ondas
- OM y OL
- Tensión de funcionamiento
- Red: Aparato AC/DC. / 115 Volt
- Altavoz
- Altavoz electrodinámico (bobina de campo)
- Material
- Madera
- de Radiomuseum.org
- Modelo: 702 - Zenith Radio Corp.; Chicago,
- Forma
- Sobremesa de tamaño mediano sin botonera <= 35 cm. (Incluso portables pero sólo con alimantación por red).
- Ancho, altura, profundidad
- 300 x 190 x 140 mm / 11.8 x 7.5 x 5.5 inch
- Ext. procedencia de los datos
- E. Erb 3-907007-36-0
- Referencia esquema
- Rider's Perpetual, Volume 5 = ca. 1934 and before
- Otros modelos
-
Donde encontrará 4516 modelos, 4107 con imágenes y 3646 con esquemas.
Ir al listado general de Zenith Radio Corp.; Chicago, IL
Colecciones
El modelo 702 es parte de las colecciones de los siguientes miembros.
Contribuciones en el Foro acerca de este modelo: Zenith Radio Corp.;: 702
Hilos: 4 | Mensajes: 17
Dear Forum members,
a friend of mine told me that he had radio that is totally identical to the Zenith 702. The only differend ce is the label Windsor at the front panel, instead of the label Zenith. Please look at the pictures.
At the bottom of the Winsor is the same yellowish paper with the instructions.
Th set has also an non original power resistor of 150 Ohms, in series with the heaters.
Anexos
- Twee broertjes 100 (214 KB)
- Twee logo's 100 (201 KB)
- Inwendig 100 (230 KB)
Georges Van Campenhout † 28.4.22, 12.Aug.21
I loaded an other schema and a service manual to the model.
M stands in old US shemas for Mille. See Wikipedia: Mille, the number one thousand, derived from Latin. Kilo is also thousand. So Bryan is right: M means kΩ. = 1 000 Ohm
In German schemas M stands for Meg. = 1 000 000
Heribert Jung, 10.Nov.10
Dear collegues,
I found in a deplorable situation a radio device Zenith 702 made in 1934 – in
I bought from
In the drawing attached , the most resistances are marked with M character. Does somebody knows what this mark represents?
Under the chassis , fixed on the wall with caps, is a wire wound resistance , wich, unfortunately is destroyed. Does somebody knows the value of this resistance and the wats, also its position in the drawing?
I am asking Mr. BIRKNER to reply, because I saw that he has a Zenith 702.
Best regards,
Ion Carabas (e-mail address: ion.carabas[A*T]coneco.ro) .
Anexos
- Electrical schematic (87 KB)
Ion Carabas, 05.Nov.10
Konrad Birkner † 12.08.2014, 29.Dec.03