Silvertone 8903 Ch= 138.210

Sears, Roebuck & Co.; Chicago (IL)

  • Year
  • 1941
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 57236
    • Brand: Silvertone

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Wave bands
  • - without
  • Power type and voltage
  • Line / Storage batteries (perhaps also batteries) / 110V AC / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 inch = 30.5 cm
  • from Radiomuseum.org
  • Model: Silvertone 8903 Ch= 138.210 - Sears, Roebuck & Co.; Chicago
  • Notes
  • Vibrator for +B in case of battery supply.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 13 = 1942 and before
  • Literature/Schematics (1)
  • Riders 13-109

 Collections | Museums | Literature

 Forum