Polydirectional Microphone 77-D MI-4045-D

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

  • Year
  • 1950 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 261419
    • alternative name: RCA Manufacturing || Victor Talking Machine

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Polydirectional Microphone 77-D MI-4045-D - RCA RCA Victor Co. Inc.; New
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 3.75 x 11.5 x 2.5 inch / 95 x 292 x 64 mm
  • Notes
  • Ribbon Microphone with 3 directional patterns U (uni-) / N (non-) / B (bi-directional) and a 3 position voice-music switch.

  • Net weight (2.2 lb = 1 kg)
  • 3 lb (3 lb 0 oz) / 1.362 kg

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