• Year
  • 1927
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 69298

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF with regeneration
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 4 & 90 & -4,5 & -1,5 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Crystalphone 4A [ver 1] - Brey en Co., Larsen de, H.W.K.
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 385 x 385 x 250 mm / 15.2 x 15.2 x 9.8 inch
  • External source of data
  • Radio Amateur Museum / Frans J.J. Driesens + ISBN 90-76014-04-3.

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The model Crystalphone is part of the collections of the following members.

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