- Country
- United States of America (USA)
- Manufacturer / Brand
- Sparks-Withington Co., (Sparton); Jackson, Michigan
- Year
- 1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 58566
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 13
- Main principle
- Superhet with RF-stage; ZF/IF 172.5 kHz; 2 AF stage(s)
- Tuned circuits
- 8 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 27 - Sparks-Withington Co., Sparton
- Shape
- Console with any shape - in general
- Notes
-
The Sparton model 27 has a push-pull audio amplifier using 2 x 2 type 47 tubes in parallel. This radio model can not be earlier than 1932, because of some tubes used.
- Price in first year of sale
- 129.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Circuit diagram reference
- Rider's Perpetual, Volume 3 = 1933 and before
- Mentioned in
- Collector's Guide to Antique Radios 4. Edition (Rider's 3-1, 3-2)
- Literature/Schematics (1)
- Sparton Radio Service Manual (Sparton Manual 1, Bulletin 46-1, 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