Silvertone Order= 57EM 4438

Sears, Roebuck & Co.; Chicago (IL)

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  • Year
  • 1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 56266
    • 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 / 2 x 45 & storage battery 4 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
  • Power out
  • 0.6 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Silvertone Order= 57EM 4438 - Sears, Roebuck & Co.; Chicago
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 15.5 x 19 x 13.5 inch / 394 x 483 x 343 mm
  • Notes
  • The Silvertone model 4438 is the same as model 4437 but this model 4438 uses a storage battery for the heaters and the model 4437 uses a 4.5 volt dry cell (in the catalog there is an error). For details see schematic. The tuning bands are broadcast 545 to 1720 kHz and short wave 5.6 to 16.5 MHz.
  • Price in first year of sale
  • 27.95 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 9 = 1938 and before

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