- Country
- United States of America (USA)
- Manufacturer / Brand
- Colonial Radio Co.; Long Island and Buffalo, NY
- Year
- 1932 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 35616
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Number of Transistors
- Semiconductors
- 31_Ballast
- Main principle
- Superheterodyne (common); ZF/IF 175 kHz
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast plus 2 Short Wave bands.
- Power type and voltage
- Storage and/or dry batteries / 2-3; 6 & 135 & -1,5 & -4,5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- from Radiomuseum.org
- Model: 69 - Colonial Radio Co.; Long
- Notes
- AVC-circuit; type "31" ballast tube.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 3 = 1933 and before
- Mentioned in
- Ballast-Tube Handbook; Jacobi 1985
- Other Models
-
Here you find 165 models, 74 with images and 131 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Colonial Radio Co.; Long Island and Buffalo, NY