• 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
• 56407

• • Brand: Silvertone

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

• Number of Tubes
• 8

• Valves / Tubes
• 1D5GP 1C7G 1D5GP 1D5GP 1H6G 1H4G 1J6G 1J6G

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

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast, Short Wave(s) and Police.

• Power type and voltage
• Storage and/or dry batteries / 90 & 4 or 4.5 & 3 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• Power out
• 1.35 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone Order= 57FM 4628 or 4629 Ch= 101.472 - Sears, Roebuck & Co.; Chicago

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 23 x 12.4 x 11.9 inch / 584 x 315 x 302 mm

• Notes
• 4628 with Dry A-Battery ;4629 with Storage Battery. Speaker 6 or 8 inch. Presence of a Bias Cell.

• Price in first year of sale
• 39.00 $

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 14 = 1944 = before 1943

• Mentioned in
• Machine Age to Jet Age III

• Literature/Schematics (1)
• Riders 14-4

• Literature/Schematics (2)
• The Sears Silvertone Catalogs 1930-1942 (page 127, 141)

• Literature/Schematics (3)
• Sears, Roebuck Catalogs (Silvertone) (# 175, Fall & Winter 1937/38, page 661. #176, Spring & Summer 1938, page 468.)

• Other Models

• Here you find 5486 models, 3219 with images and 4192 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)