7S30 7-S-30 Ch=5704

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 74101
    • 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 456 kHz
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7S30 7-S-30 Ch=5704 - Zenith Radio Corp.; Chicago,
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 16.3 x 22 x 12.5 inch / 414 x 559 x 318 mm
  • Notes
  • This Zenith radio is only listet in the book Zenith the glory years 1936-1945, by Cones, Bryant and Blankinship with the remark, listet in Zenith V1,pp257-258.

    In Riders shematics you will find no model number 7-S-30.

    The dimensions are identical with model 9-S-30, 9-S-30-Y, 9-A-30-A.

    Image shows model 9-S-30. So if model 7-S-30 exists it should use the same cabinet

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