• Country
• United States of America (USA)

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

• Year
• 1950–1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 56135

• • Brand: Silvertone

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1U5 3V4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / AC/DC 110-120 / 7.5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: Silvertone 220 Ch= 528.173 Order=57E 0220 - Sears, Roebuck & Co.; Chicago

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 10.75 x 9.5 x 6.125 inch / 273 x 241 x 156 mm

• Notes

• The Silvertone model 220 with chassis 528.173 is a three power operated portable superheterodyne receiver with loop antenna. It requires an "A-B"-battery (combination of 7.5 and 90 volts) Eveready 753 or Burgess F6A60 to operate on batteries. This Silvertone model is without battery. Color= Burgundy, also available in Arbor Green (model 223), Sun Tan (model 224) or in Glacier Gray (model 222).

• Price in first year of sale
• 29.95 $

• 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 21, Copyright 1950

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

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 10-50, set 110, folder 13)

• Literature/Schematics (3)
• Sears, Roebuck Catalogs (Silvertone) (Spring & Summer 1951 page 648. Fall & Winter 1952/53 page 858. Fall & Winter 1953/54 page 888.)

• Literature/Schematics (4)
• Sears, Roebuck Catalogs (Silvertone) (Fall/Winter 1950, page 743. Fall/Winter 1951, page 798. Mid-Season/Fall 1951, page 289.)

• Other Models

• Here you find 5482 models, 3214 with images and 4188 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)