• Country
• United States of America (USA)

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

• Year
• 1959 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 79114

• • 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 12AT7 12BA6 12BA6 12AV6 19T8 35C5

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz

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

• Power type and voltage
• AC/DC-set / Either AC: 60 cycles, 110 to 120V or DC: 110 to 120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• from Radiomuseum.org
• Model: C724P "The Super Caroline" Ch= 7C02 - Zenith Radio Corp.; Chicago,

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

• Dimensions (WHD)
• 13.375 x 8.75 x 7.625 inch / 340 x 222 x 194 mm

• Notes

• The Zenith C724P is an AC/DC operated 7 tube AM/FM receiver.  The AM band frequency tuning range is 535 to 1620kHz.  The FM band frequency tuning range is 88 to 108MHz.  Uses Selenium Rectifier in power supply. Has loop antenna for AM and uses the line cord for the FM antenna with provisions for connecting an external FM antenna.

  The following table shows the color differences for the various models in this family:

  Model	Cabinet Color
  C724G	Light Gray
  C724L	Brown
  C724P	Champagne Gold

  WARNING:  One side of the AC line is connected to the chassis.  When servicing this radio, an isolation transformer should be used between the power line and the radio.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 484 folder 18 date 5-60)

• Literature/Schematics (2)
• Beitman Radio Diagrams, Vol. 20, 1960 (Pages 172, 173)

• Author
• Model page created by Trev Levick. 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