Intercom 135 Steel Cabinet

Operadio Corp.; St. Charles (IL)

  • Year
  • 1937/1938
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 202853
    • alternative name: Operadio Mfg,

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Line (AC, UC or DC not known)
  • Loudspeaker
  • -Loudspeaker incorporated, but system not known.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Intercom 135 [Steel Cabinet] - Operadio Corp.; St. Charles IL
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Notes
  • Intercommunicating System.
  • Price in first year of sale
  • 28.00 $
  • Author
  • Model page created by Heiko zur Mühlen. See "Data change" for further contributors.

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