• Country
• United States of America (USA)

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

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 79862

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

• Number of Tubes
• 6

• Valves / Tubes
• 78 6A7 78 75 42 80

• Main principle
• Superheterodyne (common); ZF/IF 345 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 115 to/or 230 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Sparton 67X - Sparks-Withington Co., Sparton

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 360 x 430 x 215 mm / 14.2 x 16.9 x 8.5 inch

• Notes

• Model 67-X is a 6-tube superheterodyne for broadcast reception 540 to 1600 kHz including police calls and short wave from 19 to 55 meters. It is the export version of model 67 - see the picture - and see the article here about season 1934/35.

• Source of data
• Collector's Guide to Antique Radios (6th edition)

• Circuit diagram reference
• Rider's Perpetual, Volume 5 = ca. 1934 and before

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 818 models, 367 with images and 764 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sparks-Withington Co., (Sparton); Jackson, Michigan