- Country
- United States of America (USA)
- Manufacturer / Brand
- Freshman Co. Inc., Chas.., (Polydyne); New York
- Year
- 1929
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 41053
-
- Brand: C.A.Earl
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Valves / Tubes
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
- Power type and voltage
- Alternating Current supply (AC)
- from Radiomuseum.org
- Model: 31S - Freshman Co. Inc., Chas..,
- Notes
- One dial (primary tuning control knob)
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Other Models
-
Here you find 131 models, 79 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Freshman Co. Inc., Chas.., (Polydyne); New York