- Country
- United States of America (USA)
- Manufacturer / Brand
- Sparks-Withington Co., (Sparton); Jackson, Michigan
- Year
- 1933/1934
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 148038
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 125; 150; 250 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Power out
- 3 W (unknown quality)
- from Radiomuseum.org
- Model: Sparton 73 - Sparks-Withington Co., Sparton
- Circuit diagram reference
- Rider's Perpetual, Volume 7 = 1936 and before
- Mentioned in
- Rider's 7-4, 7-5
- Literature/Schematics (1)
- "Radio Schakelingen" (J.G.R. van Dijck)
- Author
- Model page created by Gidi Verheijen. See "Data change" for further contributors.
- 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