• Country
• United States of America (USA)

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

• Year
• 1957/1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 176748

• • Brand: Silvertone

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

• Number of Transistors
• 6

• Semiconductors
• 2N212 2N94 2N94 2N35 2N214 2N214

• 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
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 8220 Ch= 528.53140 Order=57D 8220 - Sears, Roebuck & Co.; Chicago

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

• Dimensions (WHD)
• 7 x 4.75 x 8.25 inch / 178 x 121 x 210 mm

• Notes
• The Sears, Roebuck & Co Model 8220 is a battery operated portable transistorized AM receiver.

• Price in first year of sale
• 42.95 $

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 9-58, Set 413, Folder 13)

• Literature/Schematics (4)
• Sears, Roebuck Catalogs (Silvertone) (Fall/Winter 1957, page 1005. Spring/Summer 1958, page 851.)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 5478 models, 3210 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)