• Year
  • 1947 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 264905
    • alternative name: Omnitronics LLC

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

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Cardinal - Astatic Corp.; Conneaut OH
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 65 x 97 x 32 mm / 2.6 x 3.8 x 1.3 inch
  • Notes
  • High impedance Crystal microphone.
    Replacement cartridge: MC 151.
    Similar to Astatic Cardinal models CX, CX-1, CXS.
  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Author
  • Model page created by Jorge Juan Stark. See "Data change" for further contributors.

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The model Cardinal is part of the collections of the following members.

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