- Country
- United States of America (USA)
- Manufacturer / Brand
- Bell Sound Systems; Columbus (OH)
- Year
- 1937/1938
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 200944
- Number of Tubes
- 7
- Valves / Tubes
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Power out
- 12 W (unknown quality)
- from Radiomuseum.org
- Model: 412 - Bell Sound Systems; Columbus
- Dimensions (WHD)
- 16 x 19 x 13.5 inch / 406 x 483 x 343 mm
- Notes
- P.A. Verstärker mit Kristallmikrofon.
- Net weight (2.2 lb = 1 kg)
- 50 lb (50 lb 0 oz) / 22.7 kg
- Source of data
- Radio Retailing (Radio & Television R.)
- Author
- Model page created by Heiko zur Mühlen. See "Data change" for further contributors.
- Other Models
-
Here you find 115 models, 111 with images and 70 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Bell Sound Systems; Columbus (OH)