• 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
• 56434

• • Brand: Silvertone

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

• Number of Tubes
• 7

• Valves / Tubes
• 6K7G 6A8G 6K7G 6B6G 6U5 6V6G 6X5G

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / Either transformer: 50-60 cycles, 105-125V or 25 cycles, 105-125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Power out
• 2 W (3.3 W max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone 4664 Ch= 101.480 Order= 57F 4664 - Sears, Roebuck & Co.; Chicago

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

• Dimensions (WHD)
• 18.5 x 10.9 x 9 inch / 470 x 277 x 229 mm

• Notes

• The Sears Silvertone 4664 is an AC operated 7 tube BC, Police and SW band receiver. Has tuning eye. 

  Band Frequency Ranges are as follows:
  BC Band (Band A).............540-1800kHz
  Police Band (Band P)........1.76-6.3MHz
  SW Band (Band F)............5.95-18.5MHz

  Sears provided instructions for adding a phonograph input and/or an earphone jack.  Thus some existing models may have these modifications. 

  The chassis has 4 labels:
  Label on rear of chassis that has model number - Size is 3.75" x 1.5"
  Label on rear of chassis that has chassis number - Size is 1.25" x 1.0"
  Label on side of chassis with patent information - Size is 6.5" x 2.0"
  Label on inside of chassis that has schematic - Size is 4.0" x 2.0"

  See details and summaries about Sears catalogs etc. This model was manufactured for Sears by Colonial Radio Corp., Buffalo, NY (Sears Manufacturer Source Number Code 101).

• Price in first year of sale
• 27.95 $

• 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 9 = 1938 and before

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

• Literature/Schematics (1)
• Riders 9-51, 52

• Literature/Schematics (2)
• The Sears Silvertone Catalogs 1930-1942 (page 123)

• Literature/Schematics (3)
• Sears, Roebuck Catalogs (Silvertone) (# 175, Fall & Winter 1937/38, page 656.)

• Literature/Schematics (4)
• Machine Age to Jet Age II (page 266.)

• Other Models

• Here you find 5471 models, 3201 with images and 4174 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)