• Year
  • 1939
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 232331

 Technical Specifications

  • Number of Tubes
  • 5
  • Valves / Tubes
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 50 to 60 Hz, 110 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Mixer and Preamplifier PM 4-AC - Bogen -Presto, David Co., Inc.
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Bogen four channel mixer and preamplifier PM 4-AC.

    Can be attached to any amplifier input permitting electron mixing of four high impedance microphones or a radio and phono device.

    Radio-Shack Cat. No. S9342

  • Price in first year of sale
  • 25.87 USD
  • Author
  • Model page created by a member from D. See "Data change" for further contributors.

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