• Year
  • 1940
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 149925

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Bellavox D104 - Rafilm Rádió és Filmtechnikai
  • Notes
  • Crystal microphone.

  • Price in first year of sale
  • 85.00 Pengő
  • Source of data
  • -- Collector info (Sammler)
  • Literature/Schematics (4)
  • BaPo katalógus, Budapest, 1940.

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