• Year
  • 1975 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 164706

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

 Technical Specifications

  • Number of Transistors
  • 13
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110-120; 220-240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 120 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: TA-412M - Toa Electric Co., Ltd. 東亜;
  • Shape
  • Book-shelf unit.
  • Notes
  • 120W output Public-Adress Amplifier.
    Output Impedance: 4 Ohms and Constant voltage line: 50V (21 Ohms) 70V (41 Ohms) 100V (83 Ohms).
    Power supply extern DC 24Volt.
  • Source of data
  • -- Original-techn. papers.
  • Literature/Schematics (1)
  • -- Schematic

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