Crystal Set Amplifier Type A3

Metropolitan-Vickers (Metro-Vick, Cosmos); GB

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  • Year
  • 1922 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 259433
    • Brand: Cosmos-valves

 Technical Specifications

  • Number of Tubes
  • 2
  • Valves / Tubes
  • B5 B5
  • Main principle
  • Audio-Amplification; 2 AF stage(s)
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: Crystal Set Amplifier Type A3 - Metropolitan-Vickers Metro-
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 6 x 4 x 3 inch / 152 x 102 x 76 mm
  • Notes

  • The  Cosmos A3 crystal set receiver amplifier, dating to about 1922, manufactured by the Metropolitan Vickers Company.   This amplifier was designed to fit in the headphone compartment of a crystal receiver.

     

  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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