• Country
• United States of America (USA)

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

• Year
• 1971/1972

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 258521

• • Brand: Silvertone

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line / Batteries (any type) / 117 or 4 x C 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Four Band Dual Power 2274 , Order= 57A 22741 - Sears, Roebuck & Co.; Chicago

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

• Dimensions (WHD)
• 8.75 x 5 x 2.5625 inch / 222 x 127 x 65 mm

• Notes

• This Radio has AM/FM, Aircraft and Public Service Bands.

  Made in Hong Kong

• Price in first year of sale
• 36.50 $

• Literature/Schematics (1)
• Photofact TSM Transistor Radio Series SAMS (Vol. 116)

• Literature/Schematics (2)
• Sears, Roebuck Catalogs (Silvertone) (Spring/Summer 1971, page 903.)

• Literature/Schematics (3)
• Sears, Roebuck Catalogs (Silvertone) (Fall/Winter 1972, page 900.)

• Author
• Model page created by Noemi Erb. See "Data change" for further contributors.

• 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)