Silvertone Order= 57LM 6272 Ch= 101.553 (A)

Sears, Roebuck & Co.; Chicago (IL)

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  • Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 55468
    • Brand: Silvertone

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Line / Storage batteries (perhaps also batteries) / 115V AC / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
  • Power out
  • 1.8 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Silvertone Order= 57LM 6272 Ch= 101.553 - Sears, Roebuck & Co.; Chicago
  • Shape
  • Console with Push Buttons.
  • Dimensions (WHD)
  • 22 x 38 x 13 inch / 559 x 965 x 330 mm
  • Notes
  • Model .553A is electrically the same as .553, the differences are in the style of escutcheon, dial, knobs, call letter sheets and push button tuning unit. Push buttons on .553 chassis are locked and unlocked by turning the button, push buttons on the .553A chassis are locked and unlocked by turning the slotted screw, made accessible by pulling the buttons off of the push buttons plungers. Vibrator for +B if storage battery is used.
  • Price in first year of sale
  • 39.95 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 11 = ca. 1940 and before
  • Literature/Schematics (1)
  • Riders 11-34

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