• Year
  • 1932 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 43455

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 175 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: GT7 - Graybar Electric Co.; New York
  • Shape
  • Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).
  • Notes
  • Breadboard.
  • Price in first year of sale
  • 46.00 $
  • External source of data
  • Ernst Erb

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