• Year
  • 1923–1925
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 72490

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Valves / Tubes
  • Main principle
  • TRF with regeneration
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Storage and/or dry batteries / 4 & 80 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: AB 4 - Berrens, J.-H. JHB, J.H.B.,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 640 x 270 x 220 mm / 25.2 x 10.6 x 8.7 inch
  • Notes
  • Systéme J. Abele - Dispositif spécifique de pré-recherche des stations - dessus ébonite .
    There is also a closed Berrens version AB 4 bis.

    Prix en 1925.

    Longueur d'ondes de 160 kHz à 4000 kHz, voir photo du cardran.

  • Net weight (2.2 lb = 1 kg)
  • 10.5 kg / 23 lb 2 oz (23.128 lb)
  • Price in first year of sale
  • 1,600.00 FRF
  • Literature/Schematics (1)
  • -- Original prospect or advert

 Collections | Museums | Literature

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