• Country
• United States of America (USA)

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

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 58785

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

• Number of Tubes
• 5

• Valves / Tubes
• 78 78 75 43 25Z5

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• AC/DC-set / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Sparton 62 - Sparks-Withington Co., Sparton

• Shape
• Tablemodel, with any shape - general.

• Notes

• 147 ohm resistance power cord.

• Price in first year of sale
• 30.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

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

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965 (Rider's 4-11, Rider's Changes 7-15)

• Literature/Schematics (1)
• Sparton Radio Service Manual (Sparton Manual 1, Bulletin 57-1 to -5)

• Literature/Schematics (3)
• Radio Retailing (Radio & Television R.) (August 1933 page 28.)

• 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