- Country
- United States of America (USA)
- Manufacturer / Brand
- Columbia Phonograph, American / Volta Graphophone Company; USA
- Year
- 1932 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 35656
-
- alternative name: American Graphophone || Columbia Recording
Photo by courtesy of G.Brovida
Photo by courtesy of G.Brovida
Photo by courtesy of G.Brovida
Photo by courtesy of G.Brovida
Photo by courtesy of G.Brovida
Photo by courtesy of G.Brovida
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Main principle
- TRF without regeneration; Screengrid 1926-1935
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 117 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: C-100 Ch= 100 - Columbia Phonograph, American
- Notes
- Push-pull af output stage; alternative voltage: 220 V for export models.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 3 = 1933 and before
- Other Models
-
Here you find 118 models, 84 with images and 34 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Columbia Phonograph, American / Volta Graphophone Company; USA