• Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 164230
    • Brand: Grunow (trade name)

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 465 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: Grunow 573 Ch= 5-Q - General Household Utilities Co
  • Notes
  • Different power transformers are used for 115 V (50-60 cycle), 115 V (25-50 cycle) or 115, 135, 220, 250 V (50-60 cycle) mains supply.
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

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