• Year
  • 1940 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 351007

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm
  • from Radiomuseum.org
  • Model: Rola 10-Z - British Rola Co. Ltd.; London
  • Notes
  • 8-Z Series of Permanent Magnet Loudspeakers.

    Available as below.

    Model With Standard Transformer Without Transformer
    10Z-6.5-P.M. £1 17  0 £1  6   0
    10Z-9.5-P.M. £1 18  6 £1  7   6
    10Z-12-P.M. £2  1   0 £1 10  0
    10Z-15-P.M. £2  3   0 £1 12  0
    10Z-20-P.M. £2  6   6 £1 15  6

     

  • Author
  • Model page created by Clive Forder. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum