- Country
- United States of America (USA)
- Manufacturer / Brand
- Philco, Philadelphia Stg. Batt. Co.; USA
- Year
- 1937
- Category
- Car Radio, perhaps also + sound player/recorder
- Radiomuseum.org ID
- 51187
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- Superhet with RF-stage; 3 AF stage(s)
- Power type and voltage
- Storage Battery for all (e.g. for car radios and amateur radios)
- from Radiomuseum.org
- Model: 821P - Philco, Philadelphia Stg. Batt
- Notes
- Model 821P is a fixed frequency receiver, its frequency being determined by a crystal (receiver frequencies from 1550-3500 kHz). The IF-frequency can be set within the range 242-278 kHz. This model is equipped with a vibrator for the generation of B+.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 8 = 1937 and before
- Mentioned in
- Radio Retailing (Radio & Television R.) (May 1937.)
- Other Models
-
Here you find 4041 models, 2217 with images and 3690 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA