High Frequency Amplifier Unit No. 3

Marconi Scientific Instrument Co. LTD.,The; London

  • Year
  • 1922
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 309475

 Technical Specifications

  • Number of Tubes
  • 5
  • Valves / Tubes
  • V24
  • Main principle
  • Radio Frequency Amplification only
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: High Frequency Amplifier Unit No. 3 - Marconi Scientific Instrument
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 180 x 140 x 180 mm / 7.1 x 5.5 x 7.1 inch
  • Notes
  • Marconi Scientific Unit No. 3 High Frequency Amplifier using the Marconi V24 valve. 

    (This model differs from the Marconi Detector Unit System No. 3)

  • Net weight (2.2 lb = 1 kg)
  • 1.6 kg / 3 lb 8.4 oz (3.524 lb)
  • Mentioned in
  • - - Manufacturers Literature (1922 Marconi Scientific Instrument Co. catalog)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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