- Country
- United States of America (USA)
- Manufacturer / Brand
- Operadio Corp.; St. Charles (IL)
- Year
- 1949 ??
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 49911
-
- alternative name: Operadio Mfg,
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 13
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 105 - 125 Volt
- Loudspeaker
- - This model requires external speaker(s).
- from Radiomuseum.org
- Model: 855-AR - Operadio Corp.; St. Charles IL
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 17 = 1948 and before
- 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)