Polydirectional Microphone 77-DX MI-11006-C

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

Data
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  • Year
  • 1950 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 131181
    • 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-DX [MI-11006-C] - RCA RCA Victor Co. Inc.; New
  • Dimensions (WHD)
  • 3.75 x 11.5 x 2.5 inch / 95 x 292 x 64 mm
  • Notes
  • RCA 77-DX MI-4045-F Polydirectional Microphone for television, ribbon type. Response: 30 - 20.000 Hz, three position voice - music response switch, impedance 30, 150 or 250 ohms, directional pattern selector, positions marked U, N and B, as symbols for the uni-directional, non-directional and bi-directional pat­terns. Three additional markings L-1, L-2 and L-3, finished in a low-gloss umber-gray enamel which eliminates glaring reflections usually seen on highly polished micro­phones.
  • Source of data
  • -- Original-techn. papers.
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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The model Polydirectional Microphone is part of the collections of the following members.

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