• Country
• United States of America (USA)

• Manufacturer / Brand
• Zenith Radio Corp.; Chicago, IL

• Year
• 1954

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 112776

• • alternative name: Chicago Radio Lab

• Number of Tubes
• 20

• Valves / Tubes
• 6BK7A 6U8 6CB6 6CB6 6CB6 12BY7 12AX7 6AU6 6BN6 6AQ6 6CS6 6AH4GT 6AQ7GT 6SN7GTA 6BQ6GT 6AX4GT 1B3GT

• Main principle
• Superheterodyne (common); ZF/IF 45750 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: R1812RUZ Ch= 19M20U - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, low profile (big size).

• Notes
• 17" b/w TV with VHF drum tuner type S-20989 and simpl UHF dial tuner type S-21000 or S-21001 with 6AF4, mahogany cabinet, extended tube list: 5U4G, 17LP4.

• Circuit diagram reference
• Photofact Folder, Howard W. SAMS

• Literature/Schematics (1)
• Set 259 Folder 16

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 4496 models, 4101 with images and 3615 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL