|Year: 1959 ?||Category: Broadcast Receiver - or past WW2 Tuner|
|Valves / Tubes||7: 6BJ6 12AT7 12BA6 12BA6 12AU6 19T8 35C5|
|Main principle||Super-Heterodyne (Super in general); ZF/IF 455 / 1070 kHz; 2 AF stage(s)|
|Wave bands||Broadcast (BC) and FM or UHF.|
|Power type and voltage||AC/DC-set / 117 Volt|
|Loudspeaker||Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical|
|from Radiomuseum.org||Model: C725F "The Super Sapphire" Ch= 7C06 - Zenith Radio Corp.; Chicago,|
|Material||Modern plastics (no Bakelite or Catalin)|
|Shape||Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).|
|Dimensions (WHD)||13.375 x 8.75 x 7.625 inch / 340 x 222 x 194 mm|
The Zenith C725F 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. Has phonograph input jack on back of the radio, with the radio/phono select switch also located on the back of the radio.
This model is part of the C725/C730 family of radio's:
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.
|Circuit diagram reference||Beitman Radio Diagrams Vol. 20, 1960|
|Literature/Schematics (1)||Photofact Folder, Howard W. SAMS (Set 478 Folder 19 date 3-60)|
Model page created by Trev Levick. See "Data change" for further contributors.
All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Here you find 3865 models, 3184 with images and 3024 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.