• Country
• United States of America (USA)

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

• Year
• 1939/1940

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 82281

• • Brand: Silvertone

• Number of Tubes
• 9

• Valves / Tubes

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 105 - 130 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Silvertone Standby 57PT - Sears, Roebuck & Co.; Chicago

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

• Dimensions (WHD)
• 17.5 x 11.5 x 11 inch / 445 x 292 x 279 mm

• Notes
• 550 kHz - 40 MHz in five ranges, BFO, bandspread dial, S(R)-Meter, xtal-IF-filter with phasing control. Matching speaker: Sears order number 57PT-8421.

• Net weight (2.2 lb = 1 kg)
• 21.5 kg / 47 lb 5.7 oz (47.357 lb)

• Price in first year of sale
• 60.00 $

• Source of data
• -- Original prospect or advert

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 5490 models, 3221 with images and 4198 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)