• Year
  • 1925/1926
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 54145
    • alternative name: RCA Manufacturing || Victor Talking Machine

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

 Technical Specifications

  • Number of Tubes
  • 1
  • Wave bands
  • - without
  • Details
  • Power: B-Battery Eliminator
  • Power type and voltage
  • Alternating Current supply (AC) / 60 cycles: 110 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: AP-937 Duo-Rectron - RCA RCA Victor Co. Inc.; New
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • B-battery eliminator, supplies 22.5, 45, 90 and 135 volts.

    The UX213 was later changed to a 280 but we don't put that into the tube line up as a replacement because the 280 (80) arrived later in the market than this model.

  • Price in first year of sale
  • 65.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Replacement Parts List, Aug. 20 1926, 2nd edition)
  • Literature/Schematics (2)
  • -- Original prospect or advert (Popular Radio, Dec. 1925)

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