• Year
  • 1947
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 46918

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 117 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.375 inch = 8.6 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Trail Blazer 5A7-P11 - Meck, John, Industries, Inc.;
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • The Schematic Rider's volume 19, no 3 from 1949 lists for the same schematic models 5A7, 5B5, CB500 and CG500. Photofact Jan-1948 set 31, folder 18 differs between Meck (Trail Blazer) models 5A7-P11 and 5A7-PB11 - which are only two different cabinet colors.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 19 = 1949 and before

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