• Year
  • 1930
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 64578

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

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
  • Tuned circuits
  • 4 AM circuit(s)
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: K-71 - United Reproducers Corp.
  • Shape
  • Console with any shape - in general
  • Notes
  • One dial (primary tuning control knob) . The "201A" rectifier tube is not used with dynamic speakers; unknown ballast tube; phono input; push-pull af output stage.
  • Price in first year of sale
  • 149.00 $
  • External source of data
  • Ernst Erb

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