• Country
• United States of America (USA)

• Manufacturer / Brand
• Sparks-Withington Co., (Sparton); Jackson, Michigan

• Year
• 1941 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 80159

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 11

• Valves / Tubes
• 7A7 7Q7 7A7 7B6 6U5 or 6G5 6SJ7GT 7B6 7A4 6V6G 6V6G 5Y3G

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Short Wave(s) and Police.

• 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 11-36 - Sparks-Withington Co., Sparton

• Shape
• Console with Push Buttons.

• Notes
• Loop antenna for BC band. 6 station buttons, tuning eye, push-pull audio amplifier. Disc recorder (cutter); microphone preamplifier.

• Circuit diagram reference
• Rider's Perpetual, Volume 13 = 1942 and before

• Mentioned in
• Rider's 13-4, 13-5, 13-6

• Author
• Model page created by Konrad Birkner † 12.08.2014. 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