Cosmos Radiobrix Note-Amplifier Unit Type RB.7

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

  • Year
  • 1923 ?
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 270423
    • Brand: Cosmos-valves

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • Main principle
  • Audio-Amplification; 1 AF stage(s)
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries / 4;80 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Cosmos Radiobrix Note-Amplifier Unit Type RB.7 - Metropolitan-Vickers Metro-
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 5 x 0 x 5 inch / 127 x 0 x 127 mm
  • Notes
  • Cosmos Radiobrix comprise a comprehensive range of units, by various combinations of which the radio experimenter or amateur can build up any type of receiving set or circuit. By the addition of units he can employ any desired number of stages of high or low frequency amplification.
    Radiobrix are mounted in hardwood boxes, carrying ebonite panels measuring 5 inches by 5 inches.
    Radiobrix Type RB.7. Note-Amplifier Unit, including low-frequency transformer, valve socket and filament rheostat. The transformer is the standard Cosmos type, specially designed for utmost clarity of reproduction, as used in the Cosmos Radiophone Valve Sets. The standard transformer is wound with a ratio of 1 to 4.

  • Net weight (2.2 lb = 1 kg)
  • 0.7 kg / 1 lb 8.7 oz (1.542 lb)
  • Price in first year of sale
  • 2.50 £
  • Mentioned in
  • - - Manufacturers Literature (circa 1923 Metropolitan-Vickers Cosmos catalog page 26-30)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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