• Year
  • 1945 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 353998

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Audio-Amplification; 3 AF stage(s)
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 105-125 & +300 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Amplifier R4059A - Northern Electric Co. Ltd.;
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Preamplifier for the R4045C power amp, has 2 mixable inputs;
    B+ is supplied by the power amp.

  • Mentioned in
  • -- Schematic

 Collections | Museums | Literature

 Forum