Junior (Jr)
Automatic Radio Mfg. Co.; Boston (MA)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Automatic Radio Mfg. Co.; Boston (MA)
- Year
- 1933 ?
- Category
- Car Radio, perhaps also + sound player/recorder
- Radiomuseum.org ID
- 33809
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage Battery for all (e.g. for car radios and amateur radios) / 9 Volt
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Metal case
- from Radiomuseum.org
- Model: Junior - Automatic Radio Mfg. Co.;
- Shape
- Chassis only or for «building in»
- Notes
- This Car Radio model "Junior" from Automatic Radio Mfg. Co. has not to be confused with the earlier car radio model "Jr" mentioned in "Radio Collector's Guide 1921-1932" with the tubes 24, 24, 27, 12A and 12A. According to the tube 6D6 this car radio is of a later date.
- Price in first year of sale
- 49.00 $
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 6 = 1935 and before
- Other Models
-
Here you find 401 models, 163 with images and 321 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Automatic Radio Mfg. Co.; Boston (MA)