CRD-9 (AC) Disc Recorder / Player

RCA (RCA Victor Co. Inc.); New York (NY)

  • Year
  • 1933
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 54216
    • 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
  • 4
  • Main principle
  • Audio-Amplification
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: CRD-9 Disc Recorder / Player - RCA RCA Victor Co. Inc.; New
  • Notes
  • The CRD-9 is an electric phonograph used for store demonstration purposes. This version of the CRD-9 is the AC version (There is also a CRD-9 DC version).
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 5 = ca. 1934 and before

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