28T925R "Mayflower" Ch= 28F22

• Country
• United States of America (USA)

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

• Year
• 1949

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 91515

• • alternative name: Chicago Radio Lab

• Picture
• Schematics

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

• Number of Tubes
• 28

• Valves / Tubes
• 6AG5 6J6 6AG5 6AU6 6AU6 6AH6 12AT7 12AT7 6SL7GT 6AC7 6AU6 6AU6 6AU6 6T8 6V6GT 6AU6 6SH7 6SN7GT 6V6GT 6AL5 6AC7 6K6GT 6BG6G 5V4G 1B3GT or 8016 5U4G 5U4G 10BP4 or 10FP4

• Main principle
• Superhet with RF-stage

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Alternating Current supply (AC) / 60 cycles, 117 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.25 inch = 13.3 cm

• Power out
• 3.5 W (6.5 W max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 28T925R "Mayflower" Ch= 28F22 - Zenith Radio Corp.; Chicago,

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

• Notes

• The Zenith 28T925R 'Mayflower' is a 10" round CRT porthole styled b/w TV with US FCC standard VHF turret tuner channels 2 thru 13. Equipped with split chassis 28F22 and picture tube 10BP4 or 10FP4.  Has wooden mahogany cabinet. Power consumption is 350W. 

  SAMS Powerfact Folder 4912-15 is not complete, page 11-18 are missing

• Mentioned in
• Photofact Folder, Howard W. SAMS (Volume 7 Set#64 Folder 4912-15 6/1949)

• Literature/Schematics (1)
• - - Manufacturers Literature (Zenith Service Manual TV3 - 1948 & 49 - 27, 28 & 29 tube Television Receivers Dated Aug 1949)

• 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