- Country
- United States of America (USA)
- Manufacturer / Brand
- Graybar Electric Co.; New York (NY)
- Year
- 1931 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 43444
- Number of Tubes
- 4
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- from Radiomuseum.org
- Model: GB4 - Graybar Electric Co.; New York
- Shape
- Tablemodel without push buttons, Mantel/Midget/Compact up to 14
- Price in first year of sale
- 37.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Mentioned in
- Collector's Guide to Antique Radios 4. Edition
- Other Models
-
Here you find 31 models, 16 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Graybar Electric Co.; New York (NY)