• 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
• 79860

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

• Number of Tubes
• 10

• Valves / Tubes
• 58 24 58 56 56 56 47 47 80 56

• Main principle
• Superhet with RF-stage; ZF/IF 172.5 kHz

• 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 18X - Sparks-Withington Co., Sparton

• Shape
• Console, Highboy (legs > 50 %).

• Notes
• uses 18 chassis in 27 cabinet.

• Circuit diagram reference
• Rider's Perpetual, Volume 4 = ca. 1934 and before

• Author
• Model page created by Ernst Erb. 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