• Year
  • 1948 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 46917

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

 Technical Specifications

  • Number of Tubes
  • 4
  • 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)
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Mirror-Tone 4H8 - Meck, John, Industries, Inc.;
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Notes
  • Rider's schematic volume 18 for John Meck (no. 3) of 1949 shows the two different schematics for the models Mirror-Tone 4D8 (battery operated) and 4H8 (line power) on the same sheet. The same visual appereance has model 4F8 but has a slightly different schematic compared to 4H8. The 4F8 and 4B7 (same schematic) are listed at Rider's 20-1.
  • External source of data
  • Ernst Erb

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