• Year
  • 1928
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 32613
    • alternative name: American Radio & Research

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • TRF without regeneration; 2 AF stage(s); Neutrodyne
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 105; 115; 130 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Nocturne 70 - Amrad Corporation; Medford
  • Shape
  • Console, Highboy (legs > 50 %).
  • Dimensions (WHD)
  • 30 x 50 x 17 inch / 762 x 1270 x 432 mm
  • Notes
  • There is an ad from 1928 which shows the Amrad models Concerto, Sonata, Opera and Nocturne. The Crosley Broadcaster shows an ad with only Nocturne and Sonata.

  • Price in first year of sale
  • 295.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
  • Literature/Schematics (3)
  • Amrad Folder for 1928.

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