• Year
  • 1939 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 351768

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Magnetic loudspeaker (reed) generic.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Austral - Brown S. G. Ltd.; London
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 12 x 11 x 4 inch / 305 x 279 x 102 mm
  • Notes
  • The Brown Austral loudspeaker features an oak housing and a large, funnel-shaped folded membrane that is driven by a coil with an impedance of 2000 Ω. The system, and thus the sound, can be adjusted from the back using an internal screw.

  • Price in first year of sale
  • 2.50 GB £
  • Author
  • Model page created by Anton Saefkow. See "Data change" for further contributors.

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

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