4G903Y The Tip-Top Holiday Ch=4F40

Zenith Radio Corp.; Chicago, IL

  • Year
  • 1949
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 73449
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Line / Batteries (any type)
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: 4G903Y The Tip-Top Holiday Ch=4F40 - Zenith Radio Corp.; Chicago,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 11.6 x 9 x 5 inch / 295 x 229 x 127 mm
  • Notes
  • dark color; The Zenith 4G903-Y has the following sizes: 11 5/8" WIDE, 9" HIGH, AND 5" DEEP. POP-UP IS 6 3/8" WIDE, 5" HIGH AND 1" DEEP. It has a retractable cord area inside the case for portability.
  • Net weight (2.2 lb = 1 kg)
  • 2.8 kg / 6 lb 2.7 oz (6.167 lb)
  • Circuit diagram reference
  • Rider's Perpetual, Volume 20 covering 1950
  • Literature/Schematics (1)
  • -- Original prospect or advert

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