- Country
- United States of America (USA)
- Manufacturer / Brand
- DeWald Radio Mfg. Corp., Pierce Airo Inc.
- Year
- 1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 37740
-
- Brand: Pierce Airo
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 9
- Main principle
- Superheterodyne (common); ZF/IF 175 kHz; 1 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast, Short Wave(s) and Police.
- Power type and voltage
- Alternating Current supply (AC) / 110-125 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- from Radiomuseum.org
- Model: BAH9 - DeWald Radio Mfg. Corp.,
- Notes
- Two 57 tubes in parallel as 2nd detector. Two 47 tubes in parallel as audio amplifier.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 5 = ca. 1934 and before
- Other Models
-
Here you find 442 models, 195 with images and 344 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from DeWald Radio Mfg. Corp., Pierce Airo Inc.