7DA148 Zephyr 7-DA-148 Ch=5708E

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 67961
    • alternative name: Chicago Radio Lab

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Power type and voltage
  • AC/DC-set / 115 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet. / Ø 10 inch = 25.4 cm
  • Power out
  • 1.5 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7DA148 Zephyr 7-DA-148 Ch=5708E - Zenith Radio Corp.; Chicago,
  • Shape
  • Console: Chairside Radio.
  • Dimensions (WHD)
  • 28 x 22.8 x 17.6 inch / 711 x 579 x 447 mm
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before

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