- Country
- United States of America (USA)
- Manufacturer / Brand
- Howard Radio Company; Chicago, IL
- Year
- 1934
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 44667
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
- Line / Batteries (any type) / 110-125; (6 or 32) and 135 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: AA-25 - Howard Radio Company; Chicago,
- Notes
- In all cases of 6 and 32 Volt operation, replace the 43 tube with a 41 tube.
- External source of data
- Ernst Erb
- Source of data
- Antique Radios, Johnson 1986
- Circuit diagram reference
- Rider's Perpetual, Volume 6 = 1935 and before
- Other Models
-
Here you find 354 models, 153 with images and 214 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Howard Radio Company; Chicago, IL