293 Ch= V
Hetro Electrical Industries; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Hetro Electrical Industries; Chicago, IL
- Year
- 1936 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 44278
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- TRF without regeneration; 1 AF stage(s)
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- AC/DC-set / 105-125 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: 293 Ch= V - Hetro Electrical Industries;
- Notes
- BC (540-1500 kHz) band.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 7 = 1936 and before
- Other Models
-
Here you find 79 models, 5 with images and 74 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Hetro Electrical Industries; Chicago, IL