• Year
  • 1950 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 135864

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 12 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: A-12 - Arkay International Inc.;
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 11.5 x 7.25 x 7.5 inch / 292 x 184 x 191 mm
  • Notes
  • Arkay A-12;
    Monaural AF amplifier, bass & treble control, three RCA inputs, screw terminals for 4-8-16 ohms output, power indicator lamp.

    Price:

    Kit - $23.95 (USA)

    Built - $31.45 (USA)

    Cover available for $3.95 (USA)

    Push-pull beam power amplifier with inverse feedback. Full-range bass and treble controls. Self-balancing phase inverter system. Rated at 10 watts RMS maximum. Frequency response 20-20,000 +- 1.5 dB at 2 watts. Distortion less than 2% at 2 watts.  Power requirement 70 watts, 105-125 VAC. Built-in preamplifier for magnetic and reluctance pickups.

  • Net weight (2.2 lb = 1 kg)
  • 11 lb (11 lb 0 oz) / 4.994 kg
  • Price in first year of sale
  • 31.45 USA
  • Source of data
  • - - Manufacturers Literature
  • Mentioned in
  • -- Original-techn. papers. (Radio-TV-Experimenter 1958 number 551 article, p 145)
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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