• Year
  • 1927
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 164113
    • Brand: Valleytone

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

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: B Power Unit 40 - Valley Electric Co.; St.Louis
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • +B supply from mains. Designed for use with radio receivers of 5 and 6 tubes or less. Supplies all "B" current necessary including extra "B" voltage and "C" voltage required when a UX-171 power tube is used.

  • Price in first year of sale
  • 37.50 $
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
  • Author
  • Model page created by Heribert Jung. See "Data change" for further contributors.

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