CB Base Microphone with Preamplifier Expander 500 8 Transistors

Turner Co. (The); Cedar Rapids (IA)

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  • Year
  • 1977
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 339819
    • Brand: Colortone

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: CB Base Microphone with Preamplifier Expander 500 8 Transistors - Turner Co. The; Cedar Rapids
  • Dimensions (WHD)
  • 136 x 241 x 222 mm / 5.4 x 9.5 x 8.7 inch
  • Notes

  • Cardioid / Dynamic pre-amplified microphone for transmission systems.
    Equipped with tone and volume adjustment and S-Meter for controlling the output level.
    Lock Key for continuous transmission.
    This microphone is the version with 8 Transistors of the same model but "Simplified Circuit" with only 4 Transistors.

  • Mentioned in
  • -- Original-techn. papers. (Original "Specifications for EX 500" from "RadioAmateur.EU.)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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