• Year
  • 1928 ??
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 251591

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Is a battery or storage battery / 9 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • from Radiomuseum.org
  • Model: Pertrix grid bias 460 - Britannia Batteries Ltd.
  • Dimensions (WHD)
  • 127 x 76 x 23 mm / 5 x 3 x 0.9 inch
  • Notes
  • Grid bias from 0V to -9V in 1.5V steps.

    Dimensions are approximate.

    Contains 6 off "B" sized Zinc Carbon cells (R12) , (same as a pair of 3R12 packs).

    Each cell has a 3.2mm ( 1/8") wander socket on top for selection of grid bias in 1.5V steps. The -9V is the body of the 6th cell.

    Equivalents:

    • Ever Ready Winner 9
    • GEC BB9
    • Vidor L5059
    • Others: H1001, Grid Bias 9, CG2

     

     

  • Net weight (2.2 lb = 1 kg)
  • 0.250 kg / 0 lb 8.8 oz (0.551 lb)
  • Author
  • Model page created by Michael Watterson. See "Data change" for further contributors.

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