7S449 7-S-449 Ch=5724 AC

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 68014
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7S449 7-S-449 Ch=5724 [AC] - Zenith Radio Corp.; Chicago,
  • Shape
  • Console: Chairside Radio.
  • Dimensions (WHD)
  • 12 x 21 x 24 inch / 305 x 533 x 610 mm
  • Notes
  • The Zenith model 7S449 was made in two different versions regarding power supply. Please select the right model page - either mains transformer or voltage doubler for a change or upload etc. The variant is given on both models accordingly. Here a mains transformer is employed.
  • Price in first year of sale
  • 60.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 11 = ca. 1940 and before

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