- Country
- United States of America (USA)
- Manufacturer / Brand
- Operadio Corp.; St. Charles (IL)
- Year
- 1937/1938
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 210665
-
- alternative name: Operadio Mfg,
Aus Radio Retailing Nov 1937
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 110 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Power out
- 52 W (unknown quality)
- Material
- Various materials
- from Radiomuseum.org
- Model: 835 - Operadio Corp.; St. Charles IL
- Shape
- Tablemodel, low profile (big size).
- Notes
- Model 835. 35-52 Watt amplifier. Three input channels. Tone balance for both low and high frequencies.
- Mentioned in
- Radio Retailing, Nov. 1937, p. 50
- Author
- Model page created by Heinz Höger. See "Data change" for further contributors.
- Other Models
-
Here you find 66 models, 43 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Operadio Corp.; St. Charles (IL)