7S28 Ebony 5704
Zenith Radio Corp.; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Zenith Radio Corp.; Chicago, IL
- Year
- 1936 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 307529
-
- alternative name: Chicago Radio Lab
copy from Ebay
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- Superheterodyne (common); ZF/IF 456 kHz
- Wave bands
- Broadcast plus more than 2 Short Wave bands.
- Power type and voltage
- Alternating Current supply (AC) / 60Hz,115 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 7S28 Ebony 5704 - Zenith Radio Corp.; Chicago,
- Shape
- Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
- Dimensions (WHD)
- 16.3 x 22 x 13 inch / 414 x 559 x 330 mm
- Notes
-
The cabinet from model 7S28(Y) ebony is similar with models 7S28, 7S28A and 7A28A.
Zenith used the letter "Y" for ebony colored models first in 1937/38.
- Author
- Model page created by Hans Amberger. See "Data change" for further contributors.
- Other Models
-
Here you find 4496 models, 4099 with images and 3615 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Zenith Radio Corp.; Chicago, IL