Efesca High Frequency Reactance Unit Cat. No. W 90540

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

Data
Forum
Pictures
Collections

  • Year
  • 1924/1925
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 273688
    • Brand: Efescaphone

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • Main principle
  • Tuner pre 1926 (not a wave trap)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: Efesca High Frequency Reactance Unit Cat. No. W 90540 - Efescaphone Brand, Falk,
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes

  • Efesca Unit System

    Efesca Units are a series of Units incorporating the necessary components for any type and combination of circuit. Each unit is self-contained and provided with terminals ready for connecting up. 

    Efesca High Frequency Reactance Unit.

    Wave length range 150 to 2600 meters

  • Price in first year of sale
  • 3.75 £
  • Mentioned in
  • - - Manufacturers Literature (1924 Efescaphone Wireless catalog page 15)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum