• Country
• United States of America (USA)

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

• Year
• 1956 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 83152

• • Brand: Silvertone

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

• Number of Tubes
• 5

• Valves / Tubes
• 12BE6 12BA6 12AT6 50C5 35W4

• 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
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Silvertone Order= 57K 7020, 7021, 7022 Ch= 528.46600 - Sears, Roebuck & Co.; Chicago

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Dimensions (WHD)
• 11 x 6.25 x 5.5 inch / 279 x 159 x 140 mm

• Notes

• AC Operated AM Receiver With Electrical Clock.Plastic clock-radio. Model 57K 7020 is in Brown $27.95, 57K 7021 in Ivory $29.95 and 57K 7022 in Aquamarine $29.95.

• Source of data
• Table Top Radios Vol. 1 Stein 98

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 17, 1957

• Mentioned in
• Machine Age to Jet Age II (page 270.)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 361 Folder 11 dated 6-57)

• Literature/Schematics (3)
• Sears, Roebuck Catalogs (Silvertone) (page 867)

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

• 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)