• Year
  • 1948 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 37396

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superhet with RF-stage; ZF/IF 455;10700 kHz; 2 AF stage(s)
  • Tuned circuits
  • 9 AM circuit(s)     9 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Record Player (perh.Changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: 7901 - Detrola; Detroit MI
  • Notes
  • Built-in loop for BC band, folded dipol for FM band. BC band 535-1620 kHz, FM band 88-108 MHz. Permeabilty tuning system.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 17 = 1948 and before

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