6M91D 6-M-91-D Ch=5631

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1936
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 67800
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 252 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / =6 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 6M91D 6-M-91-D Ch=5631 - Zenith Radio Corp.; Chicago,
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Controls on dashboard; Two units;

    Car radio 6-M-91D and 6-M-91S use the same case.

    6-M-91D is dashboard mounted , 6-M-91-S is mounted on steering.

  • Price in first year of sale
  • 50.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 7 = 1936 and before

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