- Country
- United States of America (USA)
- Manufacturer / Brand
- Hetro Electrical Industries; Chicago, IL
- Year
- 1935 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 44289
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 8
- Main principle
- Superhet with RF-stage; ZF/IF 456 kHz; 3 AF stage(s)
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and 2 x Short Wave.
- Power type and voltage
- Alternating Current supply (AC) / 110; 130; 230 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: 8Tube - Hetro Electrical Industries;
- Notes
- LW (140-400 kHz), BC (550-1600 kHz), SW1 (2.8-8.1 MHz) and SW2 (6.7-20.0 MHz) bands. Push-pull audio amplifier.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 6 = 1935 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