Beogram 4000

Bang & Olufsen (B&O); Struer

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  • Year
  • 1972–1974
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 118917
    • Brand: B&O

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Wave bands
  • - without
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Beogram 4000 - Bang & Olufsen B&O; Struer
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 490 x 100 x 380 mm / 19.3 x 3.9 x 15 inch
  • Notes
  • World famous for being the first record player employing tangential tracking.Photoelectronic sensing of record dia. and consequently correct set rpm: 45 rpm for 7"dia, and 33.33 rpm for 10" and 12"dia. Pneumatic tone arm lift. Special cartridge SP15. Patented "danceproof" or "pendulum" suspension of the subchassis isolated it efficiently from external vibrations, be they from Speakers or from dancing feet. Plinth in rosewood or teak.

    Der erste Plattenspieler der Welt mit Tangential-Tonarm. Optoelektronische Ermittlung des Plattendurchmessers und daraus automatisch gewählte Drehzahl: bei 17 cm Ø auf 45 U/min, bei 25 und 30 cm Ø auf 33,33 U/min. Riemenantrieb. Pneumatischer Tonarmlift. Abtastsystem SP15. "Pendelaufhängung" des Subchassis gewährleistete optimale Entkopplung gegen Vibrationen im Hör- und Trittschallbereich. Sie wurde als "danceproof" patentiert. Zarge in Palisander oder Teak.
  • Net weight (2.2 lb = 1 kg)
  • 12 kg / 26 lb 6.9 oz (26.432 lb)
  • Price in first year of sale
  • 180.00 GBP
  • Literature/Schematics (1)
  • Teneriffa-Express,1. Jg.,13/2007 (5.-18.Mai 2007), S. 34
  • Author
  • Model page created by Jürgen Dittrich. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

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

Museums

The model Beogram can be seen in the following museums.

 Forum