Series 31 TRF
Audiola Radio Co.; Chicago, Illinois
- Country
- United States of America (USA)
- Manufacturer / Brand
- Audiola Radio Co.; Chicago, Illinois
- Year
- 1930/1931
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 33553
-
- Brand: Audiodyne
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- TRF without regeneration; 2 AF stage(s); Screengrid 1926-1935
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 115 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Metal case
- from Radiomuseum.org
- Model: Series 31 TRF - Audiola Radio Co.; Chicago,
- Shape
- Chassis only or for «building in»
- Notes
- Push-pull AF output stage with two UX245. This is the chassis for different models like Audiola 60, 70 and 80.
- External source of data
- Ernst Erb
- Mentioned in
- Rider's Changes 7-4
- Literature/Schematics (4)
- Rider's Perpetual, Volume 1 = 1931/1934 (1919 to 1931) (Audiola 1-5)
- Other Models
-
Here you find 111 models, 39 with images and 56 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Audiola Radio Co.; Chicago, Illinois