Sparton 89-A Equasonne
Sparks-Withington Co., (Sparton); Jackson, Michigan
- Country
- United States of America (USA)
- Manufacturer / Brand
- Sparks-Withington Co., (Sparton); Jackson, Michigan
- Year
- 1928–1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 58947
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 9
- Main principle
- TRF without regeneration
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 140 Watts, 25 cycles, 3 taps for 110 to 130 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Sparton 89-A Equasonne - Sparks-Withington Co., Sparton
- Shape
- Console with any shape - in general
- Dimensions (WHD)
- 29 x 39 x 13.5 inch / 737 x 991 x 343 mm
- Notes
-
One dial (primary tuning control knob)
- Price in first year of sale
- 375.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Mentioned in
- Collector's Guide to Antique Radios 4. Edition
- Literature/Schematics (1)
- Sparton Radio Service Manual (Sparton Manual 1, Bulletin 8-1, 2, Bulletin 6-3, 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