• Year
  • 1925
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 249651

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

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 105-115 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • from Radiomuseum.org
  • Model: PR-6 - Brunswick-Balke-Collender Co.
  • Shape
  • Chassis only or for «building in»

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