• Country
• Netherlands

• Manufacturer / Brand
• Brey en Co., Larsen de, (H.W.K.), Den Haag

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 69300

• Number of Tubes
• 4

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Crystalphone Junior [early] - Brey en Co., Larsen de, H.W.K.

• Shape
• Tablemodel, low profile (big size).

• Price in first year of sale
• 105.00 Hfl

• External source of data
• Radio Amateur Museum / Frans J.J. Driesens + ISBN 90-76014-04-3.

• Source of data
• Opkomst van de Nederlandse Radio-Industrie

• Mentioned in
• Radio-Expres, Netherlands (1929, Nr. 36 and 39)

• Other Models

• Here you find 40 models, 37 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Brey en Co., Larsen de, (H.W.K.), Den Haag