S-870 Ch= 5701R Ch= 5702R Ch= 5703R

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1934
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 72972
    • alternative name: Chicago Radio Lab

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 252 kHz
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: S-870 Ch= 5701R Ch= 5702R Ch= 5703R - Zenith Radio Corp.; Chicago,
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Circuit diagram reference
  • Rider's Perpetual, Volume 6 = 1935 and before

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