Collingwood Note Magnifier Cat. No. W 90014 One-Valve

Efescaphone (Brand), Falk, Stadelmann & Co. Ltd.; London

  • Year
  • 1924/1925
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 273642
    • Brand: Efescaphone

 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
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: Collingwood Note Magnifier Cat. No. W 90014 [One-Valve] - Efescaphone Brand, Falk,
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 7.625 x 5.625 x 4.75 inch / 194 x 143 x 121 mm
  • Notes
  • The "Collingwood" Note Magnifier

  • Price in first year of sale
  • 4.50 GBP
  • Mentioned in
  • - - Manufacturers Literature (1924 Efescaphone Wireless catalog page 14)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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