725S Aviatrix/Challenger 725-S Ch= 2056
Zenith Radio Corp.; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Zenith Radio Corp.; Chicago, IL
- Year
- 1934
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 74249
-
- alternative name: Chicago Radio Lab
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Main principle
- Superhet with RF-stage; ZF/IF 485 kHz
- Wave bands
- Broadcast and Short Wave (SW).
- Power type and voltage
- Alternating Current supply (AC) / 117-250 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 725S Aviatrix/Challenger 725-S Ch= 2056 - Zenith Radio Corp.; Chicago,
- Shape
- Console with any shape - in general
- Dimensions (WHD)
- 25.3 x 40.5 x 15.5 inch / 643 x 1029 x 394 mm
- Notes
- Same as 725 ??
- Circuit diagram reference
- Rider's Perpetual, Volume 4 = ca. 1934 and before
- Mentioned in
- Zenith Radio The Early Years 1919-1935 (Chassis in Rider´s)
- Author
- Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.
- Other Models
-
Here you find 4491 models, 4096 with images and 3595 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Zenith Radio Corp.; Chicago, IL