• Year
  • 1927
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 205238

 Technical Specifications

  • Number of Tubes
  • 4
  • Valves / Tubes
  • Main principle
  • TRF with regeneration
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • Magnetic loudspeaker (reed) generic.
  • from Radiomuseum.org
  • Model: Celestaphone Four Portable - Celestaphone Brand, Denison
  • Dimensions (WHD)
  • 15 x 15 x 9 inch / 381 x 381 x 229 mm
  • Notes
  • 4-valve, battery-powered, TRF portable receiver.

    • Wave range 1000-2500 metres
    • Tuned HF valve
    • Grid-leak detector
    • Two transformer-coupled LF valves
    • Enclosed frame or external frame aerial
    • Amplion cone loudspeaker.

     

  • Net weight (2.2 lb = 1 kg)
  • 29 lb (29 lb 0 oz) / 13.166 kg
  • Price in first year of sale
  • 31.00 GBP
  • Author
  • Model page created by John Koster. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum