• Year
  • 1950 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 352995
    • Brand: Cosmos-valves

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 50 Hz, 100-250 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Audio Amplifier 243 - Metropolitan-Vickers Metro-
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 18.5 x 10.25 x 8.5 inch / 470 x 260 x 216 mm
  • Notes
  • A portable audio amplifier ideal for Public Address work, educational authorities, and similar organisations.
    Specifications:

    • Input: Gramophone 0.2 V for full output. Microphone 0.02 V for full output. The two circuits can be mixed as required.
    • Output impedance: 7, 15, and 45 Ω.
    • Power output: 20 Watts with negligible distortion.
    • Frequency response: 30 to 25,000 Hz with ±1 dB at zero position of tone control.
    • Controls: These are recessed to avoid damage and illuminated when in operation.
    • A leather carrying handle is fitted.

     

  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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