Solid State Public Address Amplifier TPA-31

Rapar (Brand), Radio Parts Pty. Ltd.; Melbourne

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  • Year
  • 1972 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 328689

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Line / Storage batteries (perhaps also batteries) / 240/ 12 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 30 W (max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Solid State Public Address Amplifier TPA-31 - Rapar Brand, Radio Parts Pty.
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 9.5 x 4 x 7.5 inch / 241 x 102 x 191 mm
  • Notes

  • Power Output

    • 30 W nominal
    • 20 W RMS into 8 Ω load

    Input Sensitivity

    • Microphone 1 & 2: 1.2 mV
    • Auxiliary 1 & 2: 200 mV

    Frequency Response

    • 100 Hz – 20 kHz

    Tone Controls

    • –9 dB at 5 kHz
    • –19 dB at 10 kHz

    Power Supply

    • 12 V DC or 240 V AC

    Outputs

    • 4, 8, 16Ω & 25, 75 volt line output.

    Price (1972)

    • $71.30 (tax included)
  • Price in first year of sale
  • 71.30 AUS $
  • Mentioned in
  • -- Original prospect or advert (Radio Parts catalogue.)
  • Literature/Schematics (1)
  • -- Original prospect or advert (Electronics Today International Oct 1972, p.121.)
  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

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