Rapar Public Address Amplifier PA539

Rapar, Radio Parts Pty. Ltd.; Melbourne

Data
Forum
Pictures
Collections

  • Year
  • 1970 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 314706

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Rapar Public Address Amplifier PA539 - Rapar, Radio Parts Pty. Ltd.;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 12.5 x 5.5 x 10 inch / 318 x 140 x 254 mm
  • Notes

  • RAPAR 35 WATT P.A. AMPLIFIER MODEL PA 539

    Power Output: 35 watts.
    Input:
    • Mic - 1, Dynamic
    • Mic - 2, Crystal or Dynamic
    • AUX, Crystal or Dynamic
    • Tape Recorder
    • Tuner
    Frequency Response: 30-15,000 CPS ± 2db
    Distortion: 3% (at 30 watt output)
    Input Sensitivity:
    • Mic Input 5mV
    • AUX 300mV
    Input Impedance:
    • Mic - 1, 50 KΩ
    • Mic - 2, 500KΩ
    • AUX, 500KΩ
    Hum and Noise:
    • 54 db
    • Hum Adj. Control Provided.
    Output Impedance: 8, 16, 250 ohm and 70V line.
    Tube Compliment:
    • 1 - 12AX7A Microphone Preamplifier.
    • 1 - 6AV6 Tone Control Amplifier.
    • 1 - 6AQ8 Phase Inverter.
    • 4 - 6BQ5 Output Tubes in Push-Pull parallel.

    (Two Parallel Pairs Operation Push-Pull.)
  • Mentioned in
  • -- Original prospect or advert (Radio Parts Catalogue.)
  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum