- Country
- United States of America (USA)
- Manufacturer / Brand
- Freshman Co. Inc., Chas.., (Polydyne); New York
- Year
- 1928
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 41105
-
- Brand: C.A.Earl
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 AF stage(s)
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 110-120 Volt
- from Radiomuseum.org
- Model: K - 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
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- 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