Cosmos 2-Valve Amplifier Unit Type A.4

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

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  • Year
  • 1923 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 270344
    • Brand: Cosmos-valves

 Technical Specifications

  • Number of Tubes
  • 2
  • Valves / Tubes
  • 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: Cosmos 2-Valve Amplifier Unit Type A.4 - Metropolitan-Vickers Metro-
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 340 x 230 x 120 mm / 13.4 x 9.1 x 4.7 inch
  • Notes

  • The Cosmos Two-Valve Note-Amplifier Unit Type A.4. This comprises two low-frequency amplifying valves, with intervalve transformers, filament rheostat, and switch for putting one or both valves into circuit, all mounted on an ebonite panel with containing box, uniform with the Type VR.2 tuner unit.

  • Net weight (2.2 lb = 1 kg)
  • 2.3 kg / 5 lb 1.1 oz (5.066 lb)
  • Price in first year of sale
  • 12.00 Pd
  • Mentioned in
  • - - Manufacturers Literature (circa 1923 Metropolitan-Vickers Cosmos catalog page 7-9)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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The model Cosmos 2-Valve Amplifier Unit is part of the collections of the following members.

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