• Year
  • 1946
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 55807
    • Brand: Silvertone

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 50 - 60 Hz: 110 - 125 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 18 W (unknown quality)
  • from Radiomuseum.org
  • Model: Silvertone 12870 - Sears, Roebuck & Co.; Chicago
  • Notes
  • Phono input for crystal or other high impedance pick-up. Treble and bass boost controls.
    Output impedance: 3, 6, 250 and 500 Ω.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 14 = 1944 = before 1943
  • Literature/Schematics (1)
  • Riders 14-64
  • Literature/Schematics (2)
  • Schematic

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