Silvertone Order= 57FM 4646 or 4647 Ch= 101.473

Sears, Roebuck & Co.; Chicago (IL)

  • Year
  • 1937/1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 56425
    • Brand: Silvertone

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage and/or dry batteries / 90 & 4 or 4.5 & 3 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
  • Power out
  • 1.1 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Silvertone Order= 57FM 4646 or 4647 Ch= 101.473 - Sears, Roebuck & Co.; Chicago
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 20 x 36 x 12.25 inch / 508 x 914 x 311 mm
  • Notes
  • 4646 with Dry A- Battery, 4647 with Storage Battery. Presence of a Bias Cell.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 9 = 1938 and before
  • Literature/Schematics (1)
  • Riders 9-37, 38

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