• Country
• United States of America (USA)

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

• Year
• 1948/1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 67970

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 7

• Valves / Tubes
• 12BA6 12BE6 12BA6 12BA6 12AU6 19T8 35B5

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• AC/DC-set / 110-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 7H822Z Triumph Ch= 7E02Z - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 12 x 7 x 7 inch / 305 x 178 x 178 mm

• Notes

• New FM band; "Z" denotes added tone control; see Rider´s 21. In Walnut plastic.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 18 = 1949 and before

• Mentioned in
• Photofact Folder, Howard W. SAMS (493-25 Set 55 Foldeer 25)

• Literature/Schematics (1)
• Rider's Perpetual, Volume 21 = Copyright 1950

• Literature/Schematics (3)
• -- Original prospect or advert (The Zenith Folder for 1948/1949 Form. R-8107)

• 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