- Country
- United States of America (USA)
- Manufacturer / Brand
- Sparks-Withington Co., (Sparton); Jackson, Michigan
- Year
- 1931
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 58726
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 13
- Valves / Tubes
- C-484 or C-485 C-484 or C-485 C-484 or C-485 C-484 or C-485 C-484 or C-485 C-484 or C-485 C-484 or C-485 C-585 or C-586 C-585 or C-586 C-226 C-226 C-281 C-281
- Main principle
- TRF without regeneration; 2 AF stage(s)
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 100-130 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Sparton 574 - Sparks-Withington Co., Sparton
- Shape
- Console with any shape - in general
- Notes
-
One dial (primary tuning control knob) . Push-pull audio amplifier.
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Circuit diagram reference
- Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)
- Mentioned in
- Rider's 2-43
- Literature/Schematics (1)
- Sparton Radio Service Manual (Sparton Manual 1, Bulletin 15-1, 2, Bulletin 31-3, 4)
- 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