- Country
- Great Britain (UK)
- Manufacturer / Brand
- Columbia Graphophone Co.; London
- Year
- 1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 202206
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- TRF with regeneration
- Wave bands
- Broadcast (MW) and Long Wave.
- Details
- Record Player (not changer)
- Power type and voltage
- Alternating Current supply (AC) / 200-250 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 620RG - Columbia Graphophone Co.;
- Shape
- Console with any shape - in general
- Notes
- A similar chassis is fitted in the Columbia 355, Marconiphone 253AC and HMV 436 table radios.
- Literature/Schematics (1)
- Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (573)
- Author
- Model page created by Howard Craven. See "Data change" for further contributors.
- Other Models
-
Here you find 58 models, 36 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Columbia Graphophone Co.; London