• Year
  • 1929
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 40989

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • TRF without regeneration; 2 AF stage(s); Neutrodyne
  • Tuned circuits
  • 3 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries / +22.5 & +90 & +135 & -4.5; & -27 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: NR-53 - Freed-Eisemann Radio Corp.;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • One dial (primary tuning control knob)

    All tubes are "Arcturus".

  • Price in first year of sale
  • 55.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
  • Literature/Schematics (1)
  • -- Original-techn. papers. (“Official Radio Service Manual” 1930, Editor Hugo Gernsback, reprinted 1984 by Vestal Press.)

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