Cosmopolitan 252 Ch= S-3A
General Motors Radio Corp.
- Country
- United States of America (USA)
- Manufacturer / Brand
- General Motors Radio Corp.
- Year
- 1931/1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 18660
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 10
- Main principle
- Superhet with RF-stage; ZF/IF 175 kHz
- Tuned circuits
- 10 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 110 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Cosmopolitan 252 Ch= S-3A - General Motors Radio Corp.
- Shape
- Console, Lowboy (legs < 50 %).
- Notes
- 60 cycles. Push-pull af output.
- Price in first year of sale
- 129.00 $
- External source of data
- E. Erb 3-907007-36-0
- Source of data
- Radio Collector`s Guide 1921-1932
- Circuit diagram reference
- Die «Thali Schemasammlung» führt das Modell.
- Literature/Schematics (1)
- Rider's Perpetual, Volume 2 = 1932 and before
- Literature/Schematics (2)
- Collector's Guide to Antique Radios (7th Edition)
- Other Models
-
Here you find 58 models, 30 with images and 48 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from General Motors Radio Corp.