• Country
• United States of America (USA)

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

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 55906

• • Brand: Silvertone

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

• Number of Tubes
• 6

• Valves / Tubes
• 78 6A7 78 85 41 84

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz

• Tuned circuits
• 7 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) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone Order= 57D 1705 - Sears, Roebuck & Co.; Chicago

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 13.5 x 10 x 7.25 inch / 343 x 254 x 184 mm

• Price in first year of sale
• 26.95 $

• 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 4 = ca. 1934 and before

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• The Sears Silvertone Catalogs 1930-1942 (page 68, 74)

• Literature/Schematics (2)
• Sears, Roebuck Catalogs (Silvertone) (#167, Fall & Winter 1933/34, page 629. #168 Spring & Summer 1934, page 370.)

• Literature/Schematics (3)
• Machine Age to Jet Age II (page 257.)

• Literature/Schematics (4)
• Riders 4-6, 7

• Other Models

• Here you find 5479 models, 3211 with images and 4185 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)