- Country
- United States of America (USA)
- Manufacturer / Brand
- Zephyr Radio Co.; Detroit, MI
- Year
- 1939 ??
- Category
- Car Radio, perhaps also + sound player/recorder
- Radiomuseum.org ID
- 68385
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superhet with RF-stage; ZF/IF 177.5 kHz
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage Battery for all (e.g. for car radios and amateur radios)
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Metal case
- from Radiomuseum.org
- Model: 2M7 - Zephyr Radio Co.; Detroit, MI
- Shape
- Chassis only or for «building in»
- Notes
- Vibrator for +B.
- 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