• Year
  • 1935
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 68130
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 12
  • Main principle
  • Superhet with RF-stage; ZF/IF 485 kHz
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • 2 Loudspeakers
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 990 Ch= 1201 - Zenith Radio Corp.; Chicago,
  • Shape
  • Console with any shape - in general
  • Notes
  • The Zenith 990 receives 5 bands, as follows:
    A 550 1500 kHz AM Broadcast
    B 1.5 4.0 MHz Police
    C 4 10 MHz Shortwave (1)
    D 9 22 MHz Shortwave (2)
    E 18 44 MHz Shortwave (3)

     

    Speakers include a 6-inch EM tweeter and a 12-inch EM woofer.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 6 = 1935 and before

 Collections | Museums | Literature

Collections

The model 990 is part of the collections of the following members.

 Forum