Sparton 33A Auto Radio
Sparks-Withington Co., (Sparton); Jackson, Michigan
- Country
- United States of America (USA)
- Manufacturer / Brand
- Sparks-Withington Co., (Sparton); Jackson, Michigan
- Year
- 1933–1935
- Category
- Car Radio, perhaps also + sound player/recorder
- Radiomuseum.org ID
- 58591
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superhet with RF-stage; ZF/IF 172.5 kHz; 2 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Storage Battery for all (e.g. for car radios and amateur radios) / =6 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm
- Material
- Metal case
- from Radiomuseum.org
- Model: Sparton 33A Auto Radio - Sparks-Withington Co., Sparton
- Shape
- Chassis only or for «building in»
- Notes
-
Vibrator for +B included in sep cabinet. See our article about the right radio season. There are two versions: 33-A and 33-B - but also a version 33 only with other tubes!
- Price in first year of sale
- 55.00 $
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 7 = 1936 and before
- Mentioned in
- Rider's 7-1
- Literature/Schematics (1)
- Radio Retailing (Radio & Television R.) (March 1934, page 51.)
- Other Models
-
Here you find 817 models, 365 with images and 754 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sparks-Withington Co., (Sparton); Jackson, Michigan