• Country
• United States of America (USA)

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

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 55835

• • Brand: Silvertone

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

• Number of Tubes
• 6

• Valves / Tubes
• UY224 UY227 UY235 UY224 UY247 UX280

• Main principle
• Superheterodyne (common); ZF/IF 175 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone Grandfather Clock Masterpiece Order= 57FM 1391 or 1390 - Sears, Roebuck & Co.; Chicago

• Shape
• Grandfather Clock with Radio.

• Dimensions (WHD)
• 16 x 63 x 10.125 inch / 406 x 1600 x 257 mm

• Notes
• The Sears Silvertone Grandfather Clock Masterpiece with "Hammond Electric Movement" clock has tone control and a Push-pull output. "The cabinet is piano finished in handsome walnut veneer, and its design is authentic in every respect." The model could be ordered for 25 cycle mains for the same price (with a bigger transformer and some changes in the power unit). It was also available as 57FM1154 or 1155 with a Screen-Grid chassis.
  Order number 57FM1391 1/4 with tubes and antenna kit 57F5517 for $ 79.50 or for easy payment: $ 9 "down" cash and $ 8 per month until paid $ 87.50. We believe that Silvertone 1390 is the same model, sold without tubes etc., but we have not found yet a prove. See details and summaries about Sears catalogs etc.

• Net weight (2.2 lb = 1 kg)
• 50 lb 0 oz (50 lb) / 22.7 kg

• Price in first year of sale
• 79.50 $ !

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Circuit diagram reference
• Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)

• Mentioned in
• The Sears Silvertone Catalogs 1930-1942 (page 42 - see also Rider's 2-14)

• Literature/Schematics (1)
• Sears, Roebuck Catalogs (Silvertone) (#163, Fall & Winter 1931/32, page 218)

• 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)