• Country
• United States of America (USA)

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

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 55961

• • Brand: Silvertone

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

• Number of Tubes
• 11

• Valves / Tubes
• 78 41 78 78 37 85 37 37 47 47 80

• Main principle
• Superheterodyne (common); ZF/IF 480 kHz

• Tuned circuits
• 8 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone 11-Tube Console Order= 57FM 1821 - Sears, Roebuck & Co.; Chicago

• Shape
• Console with any shape - in general

• Dimensions (WHD)
• 24 x 37 x 12 inch / 610 x 940 x 305 mm

• Price in first year of sale
• 57.95 $

• 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 5 = ca. 1934 and before

• Mentioned in
• Pre-War Consoles

• Literature/Schematics (1)
• Riders 5-37, 38

• Literature/Schematics (2)
• The Sears Silvertone Catalogs 1930-1942 (page 77)

• Literature/Schematics (3)
• Sears, Roebuck Catalogs (Silvertone) (# 169, Fall & Winter 1934/35, page 532.)

• 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)