- Country
- United States of America (USA)
- Manufacturer / Brand
- Zephyr Radio Co.; Detroit, MI
- Year
- 1939 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 68401
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- TRF without regeneration
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- AC/DC-set / 110 Volt
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- from Radiomuseum.org
- Model: 39X4 - Zephyr Radio Co.; Detroit, MI
- Notes
- 173 ohms resistance line cord.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 10 = 1939 and before
- Other Models
-
Here you find 90 models, 26 with images and 76 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Zephyr Radio Co.; Detroit, MI