• Country
• United States of America (USA)

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

• Year
• 1958

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 319916

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 20

• Valves / Tubes
• 6AF4A 6BK7A 6U8 6CB6 6CB6 6CB6 12BY7A 12AX7 6AU6 6BN6 6AQ5 6BE6 12B4A 6CN7 6SN7GTB 6DQ6A 6AX4GT 1B3GT 5U4GB 21CWP4

• Main principle
• Superhet with RF-stage

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Z2257EZU Ch= 19Z32U - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, with any shape - general.

• Notes

• Zenith model Z2257EZU is a 21" b/w TV with US standard VHF tuner channels 2 thru 13, and 14 thru 83 UHF. Equipped with chassis 19Z32U, VHF-tuner S-23113, UHF- tuner S-41364 and picture tube 21CWP4.

   

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 385 Folder 4 dated 1-58)

• Author
• Model page created by Dirk Taekels. See "Data change" for further contributors.

• Other Models

• Here you find 4496 models, 4099 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