Passive Radiator BD139 SP1037

KEF Electronics; Tovil, Maidstone, Kent

  • Year
  • 1970 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 180022

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Passive Radiator BD139 SP1037 - KEF Electronics; Tovil,
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 300 x 210 x 44 mm / 11.8 x 8.3 x 1.7 inch
  • Notes
  • The Passive Radiator fitted to the KEF Cadenza loudspeakers.

    Passivradiator mit flacher Kunststoff-Membrane (Styropor), mit hochnachgiebiger Aufhängung. Chassis-Korb aus Alu-Druckguss. Resonanzfraquenz: 28 Hz. Wird immer mit einem Tief/Mittel-Töner, z.B. B200 SP1039 oder B110 SP1003, akustisch gekoppelt. Dieser Passivradiator findet u.a. An wendung in KEF Cadenza.

  • Net weight (2.2 lb = 1 kg)
  • 0.650 kg / 1 lb 6.9 oz (1.432 lb)
  • Source of data
  • - - Data from my own collection
  • Mentioned in
  • - - Manufacturers Literature (A History of KEF Drive Units from the 1960s and 70s, Dr. Andrew Watson, pgs. 13-14)
  • Author
  • Model page created by Peter Zimmermann. See "Data change" for further contributors.

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