• Country
• United States of America (USA)

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

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 56411

• • Brand: Silvertone

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

• Number of Tubes
• 4

• Valves / Tubes
• 1C7G 1D5GP 1F7G 1G5G

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 67.5 & 4 or 4.5 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) generic. / Ø 6 inch = 15.2 cm

• Power out
• 0.2 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone Order= 57F 4630 or 67FM 4631 [portable] - Sears, Roebuck & Co.; Chicago

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 15.4 x 12.3 x 9.25 inch / 391 x 312 x 235 mm

• Notes
• 4630 with Dry A-Battery, 4631 with Storage Battery.

• Price in first year of sale
• 19.00 $

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 8 = 1937 and before

• Mentioned in
• Machine Age to Jet Age II

• Literature/Schematics (1)
• Machine Age to Jet Age III (Riders 8-77)

• Literature/Schematics (2)
• The Sears Silvertone Catalogs 1930-1942 (page 130)

• Literature/Schematics (3)
• Sears, Roebuck Catalogs (Silvertone) (# 175, Fall & Winter 1937/38, page 662.)

• Other Models

• Here you find 5478 models, 3209 with images and 4184 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)