• Year
  • 1934 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 50493

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 460 kHz; 2 AF stage(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 60Hz 115V; 25Hz 115V; 50Hz 230 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: 245 - Philco, Philadelphia Stg. Batt
  • Notes
  • This model is shown in Riders as having 3 available power transformers:

     
    Power transformer Part Number
    115 volts, 60 cycles 32-7226
    115 volts, 25 cycles 32-7227
    230 volts, 50 cycles 32-7228

     

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

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