Columbia 930
Kolster; USA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Kolster; USA
- Year
- 1929 ?
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 354987
-
- Brand: International
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 25-60 Hz, 100-110; 110-120 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Metal case, TUBES VISIBLE
- from Radiomuseum.org
- Model: Columbia 930 - Kolster; USA
- Shape
- Chassis only or for «building in»
- Notes
-
Audio amplifier used in American Columbia phonographs.
A similar version is incorporated into the Columbia 930 phonograph.
- Mentioned in
- -- Original-techn. papers. (“Official Radio Service Manual” 1930, Editor Hugo Gernsback, reprinted 1984 by Vestal Press.)
- Literature/Schematics (1)
- Electronics Australia, Sept. 1989, "Vintage Radio" by Peter Lankshear, pages 152-154.
- Author
- Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.
- Other Models
-
Here you find 104 models, 48 with images and 69 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Kolster; USA