• Country
• United States of America (USA)

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

• Year
• 1964 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 87281

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 6

• Valves / Tubes
• 12DT8 12BA6 12BA6 12AU6 14GT8 50C5

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

• Tuned circuits
• 8 FM circuit(s)

• Wave bands
• FM Broadcast Band Only

• Power type and voltage
• Alternating Current supply (AC) / 110 - 120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: M722W Ch= 6M06 - Zenith Radio Corp.; Chicago,

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

• Dimensions (WHD)
• 12.25 x 6.5 x 6.25 inch / 311 x 165 x 159 mm

• Notes
• Selenium Rectifier
  4" x 6" PM elliptical speaker.
  The Zenith Modell M722W is a 6 Tube FM Receiver.

• Net weight (2.2 lb = 1 kg)
• 4 lb 14 oz (4.875 lb) / 2.213 kg

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 25, 1965

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 3-65, Set 746, Folder 9)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 4491 models, 4096 with images and 3603 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL