Orthofidelity Stereo 25 ST25

Amalgamated Wireless Australasia (NZ) Ltd. (AWA); Wellington

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  • Year
  • 1970 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 363205

 Technical Specifications

  • Number of Transistors
  • 20
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 50 Hz, 230 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Orthofidelity Stereo 25 ST25 - Amalgamated Wireless
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 14.5 x 3 x 10 inch / 368 x 76 x 254 mm
  • Notes

  • Orthofidelity Stereo 25

    • 27 silicon transistors
    • Full 20 watt music power rating
    • Low distortion
    • High overload capability pre-amplifier
    • Printed circuit 'self-checking' modular construction
    • Highest quality components throughout
    • Fully protected output circuit

    Distortion: Less than .2% at all power levels.
    Frequency Response: 30 Hz - 50 Hz ± 3 dB at full power.

    See also other models in the AWA Orthofidelity range:

    ST25P Player-amplifier
    ST953 Tuner-amplifier
    AM3 Tuner
    ST95 Amplifier
    ST45 Amplifier

  • Net weight (2.2 lb = 1 kg)
  • 6 lb 5 oz (6.313 lb) / 2.866 kg
  • Mentioned in
  • Electronics Australia, Feb. 1971, Page 31.
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Orthofidelity Owners Handbook (AWA NZ))
  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

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