AB 4

• Country
• France

• Manufacturer / Brand
• Berrens, J.-H. (JHB, J.H.B.), Abelé; Paris

• Year
• 1923–1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 72490

• Picture
• Schematics

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

• 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

• Mentioned in
• TSF Antique 1921 à 1927

• Literature/Schematics (1)
• -- Original prospect or advert

• Literature/Schematics (2)
• Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 107 picture no. 371)

• Author
• Model page created by Jean Claude Pigeon † 2008. See "Data change" for further contributors.

• Other Models

• Here you find 27 models, 16 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Berrens, J.-H. (JHB, J.H.B.), Abelé; Paris