• Year
  • 1947
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 165331

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
  • Details
  • Record Player (perh.Changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: MC-25P - Masco Mark Simpson Company Inc
  • Shape
  • Chassis only or for «building in»
  • Notes
  • 3 channel PA amplifier. It operates on battery where A.C. current is not available. And operates on 115 volt A.C. 60 cycles.

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