• Country
• United States of America (USA)

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

• Year
• 1950/1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 315514

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 7

• Valves / Tubes
• 6BJ6 or 12BA6 12AT7 12BA6 12BA6 12AU6 19T8 or 19C8 35C5

• Main principle
• Superhet with RF-stage; ZF/IF 455/10700 kHz; 2 AF stage(s)

• Tuned circuits
• 9 AM circuit(s)     11 FM circuit(s)

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

• Power type and voltage
• AC/DC-set / 117V = 110 -120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7.5 inch = 19.1 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: H725 Ch= 7G01Z [green] - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 15 x 9 x 8 inch / 381 x 229 x 203 mm

• Notes

• Zenith model H725 is an AC-DC operated AM-FM superheterodyne receiver with loop antenna. This model is identical to the Zenith H725 (walnut) except for the cabinet color .  Other colors (gray and white) are believed to exist, but have not been verified by actual labels.

   

   

• Literature/Schematics (1)
• Rider's Perpetual, Volume 22 = covering 1951 (pages 23-26)

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 135, Folder 15, 6-51)

• Author
• Model page created by David Erali. 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