- Country
- United States of America (USA)
- Manufacturer / Brand
- DeWald Radio Mfg. Corp., Pierce Airo Inc.
- Year
- 1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 51660
-
- Brand: Pierce Airo
- Number of Tubes
- 7
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Metal case
- from Radiomuseum.org
- Model: AC724 - DeWald Radio Mfg. Corp.,
- Shape
- Chassis only or for «building in»
- Notes
- Pierce Airo. One dial (primary tuning control knob)
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- 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.