Super Fifty Watt Amplifier

Vortexion Ltd.; Wimbledon

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  • Year
  • 1949 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 339634

 Technical Specifications

  • Number of Tubes
  • 7
  • Valves / Tubes
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 205, 225, 245 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 50 W (max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Super Fifty Watt Amplifier - Vortexion Ltd.; Wimbledon
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Notes

  • This amplifier has a frequency response of 30 to 25,000 Hz within 1/4 dB, under 2 percent distortion at 40 Watts and 1 percent at 15 Watts.
    Electronic mixing for microphone and gramophone of either high or low impedance with treble and bass controls.
    Output impedance 15 - 250 Ω.
    Built-in 15 Ω mu-metal shielded microphone transformer. 

    Push-pull output with two 807's.

  • Price in first year of sale
  • 38.32 GB £
  • Mentioned in
  • -- Original prospect or advert (Electronic Engineering, volume 21, number 251 January 1949)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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