Silvertone 6-Tube Battery Order= 57DM 4422

Sears, Roebuck & Co.; Chicago (IL)

  • Year
  • 1936/1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 56247
    • Brand: Silvertone

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

 Technical Specifications

  • Number of Tubes
  • 5
  • 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
  • Dry Batteries / 135 & 3 Volt
  • Loudspeaker
  • Magnetic loudspeaker (reed) generic. / Ø 6 inch = 15.2 cm
  • Power out
  • 0.65 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Silvertone 6-Tube Battery Order= 57DM 4422 - Sears, Roebuck & Co.; Chicago
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 15 x 19.5 x 12.7 inch / 381 x 495 x 323 mm
  • Notes
  • The Silvertone model 4422 is the same as model 4423 but this model 4422 uses the 3 volt A battery tubes (No. 5023P) and the 1P1 automatic battery economizer instead of the 2-volt storage battery tubes (No. 734) with plug adaptor. For details see schematic.
  • Price in first year of sale
  • 27.50 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

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