70 Ch= Series 31
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
- 33518
-
- 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
- Wooden case
- from Radiomuseum.org
- Model: 70 Ch= Series 31 - Audiola Radio Co.; Chicago,
- Shape
- Console, Lowboy (legs < 50 %).
- Dimensions (WHD)
- 24.5 x 40.5 x 14.5 inch / 622 x 1029 x 368 mm
- Notes
- The Audiola model 70 is a four tuned circuit, triple screen grid radio. 4 legged console without stretcher base. Picture is shown in the "Fall and Winter issue 1930-1931 Radio Merchandise Wholesale Catalog" of "The James Bailey Company", 264 Middle Street, Portland, Maine. The Price is $ 107 without tubes and the wholesale price is then $ 64.20 With tubes it is $ 125 / $ 75. Push-pull output with two UX245. In the book "Pre-War Consoles" by Mark V. Stein there is a mismatch of the pictures between model 70 and 80 on page 45 - and both have the chassis series 31 with 7 tubes, not only model 70.
- Price in first year of sale
- 107.00 $ +
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Literature/Schematics (1)
- Pre-War Consoles
- Literature/Schematics (4)
- Rider's Perpetual, Volume 1 = 1931/1934 (1919 to 1931) (Audiola 1-5 "Model '31 Series")
- 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