• Year
  • 1942 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 40925

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

 Technical Specifications

  • Number of Tubes
  • 12
  • Main principle
  • Superhet with RF-stage; ZF/IF 462/4300 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)     11 FM circuit(s)
  • Wave bands
  • Broadcast, Short Wave plus FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-120 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: 57A-71A - Freed-Eisemann Radio Corp.;
  • Notes
  • Push-pull audio amplifier driving two speakers. Audio amp, speakers and Power supply are in model 57-57A. Complete set employs 16 tubes.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 14 = 1944 = before 1943

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