Sparton 727X
Sparks-Withington Co., (Sparton); Jackson, Michigan
- Country
- United States of America (USA)
- Manufacturer / Brand
- Sparks-Withington Co., (Sparton); Jackson, Michigan
- Year
- 1936
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 58860
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 9
- Main principle
- Superhet with RF-stage; ZF/IF 456 kHz; 2 AF stage(s)
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and 2 x Short Wave.
- Power type and voltage
- Alternating Current supply (AC) / 115 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Sparton 727X - Sparks-Withington Co., Sparton
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Notes
-
2 x 6F6G parallel audio amplifier. Stein mentiones 7 tubes and 2 bands for a model "727".
- External source of data
- Ernst Erb
- Source of data
- The Radio Collector's Directory and Price Guide 1921 - 1965
- Circuit diagram reference
- Rider's Perpetual, Volume 8 = 1937 and before
- Mentioned in
- Rider's 8-12, 8-14
- Literature/Schematics (1)
- Machine Age to Jet Age II (page 284.)
- Literature/Schematics (2)
- Cathedral & Tombstone Radios (page 255.)
- 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