• Country
• United States of America (USA)

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

• Year
• 1936–1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 58548

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

• Number of Tubes
• 18

• Valves / Tubes
• 6K7 6L7 6J5G 6K7G 6E5 6K7G 6Q7G 6J7G 6K7G 6C5G 6J5G 6F6G 6F6G 5X4G 6F6G 6L6G 6L6G 5X4G

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz; 4 AF stage(s)

• Tuned circuits
• 9 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

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

• Loudspeaker
• 3 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Sparton 1867 Triolian - Sparks-Withington Co., Sparton

• Shape
• Console with Push Buttons.

• Dimensions (WHD)
• 28 x 44.5 x 14.625 inch / 711 x 1130 x 371 mm

• Notes

• Two audio channels: bass amp. driving one large e-dyn. woofer; treble amp driving two e-dyn. tweeters. Dynamic expander.

• 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 10 = 1939 and before

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition (Rider's 10-20, 10-23/24, 10-25, 10-26)

• Literature/Schematics (1)
• Pre-War Consoles

• 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