• Country
• United States of America (USA)

• Manufacturer / Brand
• Sears, Roebuck & Co.; Chicago (IL)

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 56861

• • Brand: Silvertone

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

• Number of Tubes
• 8

• Valves / Tubes
• 6K8G 6U7G 6J5G 6J5G 6F5G 6U5 25B6G 25Z6G

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet. / Ø 6 inch = 15.2 cm

• Power out
• 2.9 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone 6425 Ch= 101.572 - Sears, Roebuck & Co.; Chicago

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 16.25 x 13.875 x 9.625 inch / 413 x 352 x 244 mm

• Notes

• Built-in "Radionet" for broadcast band reception, 550 to 1600 kc.

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Mentioned in
• Machine Age to Jet Age II

• Other Models

• Here you find 5487 models, 3219 with images and 4193 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)