• Country
• United States of America (USA)

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

• Year
• 1954 ?

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 134140

• • alternative name: Chicago Radio Lab

• Number of Tubes
• 19

• Valves / Tubes
• 6BK7A 6U8 6CB6 12BY7 12AX7 6AU6 6BN6 6AQ5 6CS6 6AH4GT 6AQ7GT 6SN7GTA 6BQ6GT 6AX4GT 1B3GT 5U4G 21YP4A

• 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) / Ø 4 inch = 10.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: R1812RZ Ch= 19M20U - Zenith Radio Corp.; Chicago,

• Notes
• Zenith models M1800EU, M1800RU, R1800EUZ, R1800RUZ, R1812EUZ, use the same chassis 19M20U.
  17" b/w TV with VHF drum tuner type S-20989 and simple UHF dial tuner type S-21000 or S-21001 with 6AF4; mahogany cabinet.

• Mentioned in
• Photofact Folder, Howard W. SAMS (Photofact Folder Set 259 Folder 16)

• Author
• Model page created by Hans Amberger. 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