• 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
• 72383

• • alternative name: Chicago Radio Lab

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

• Number of Transistors
• 8

• Semiconductors
• 2N544 2N411 2N409 2N409 2N409 2N407 2N407 2N407

• Main principle
• ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 6 x 1.5 Volt

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

• from Radiomuseum.org
• Model: Royal 750L Ch= 8AT41Z2 - Zenith Radio Corp.; Chicago,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes
• The Zenith Model Royal 750L is a Battery operated Transitorized Portable AM Receiver.

• Source of data
• Beitman Radio Diagrams, Vol. 19, 1959

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 4-59, Set 438, Folder 17)

• Author
• Model page created by Hinrich Grensemann † 15.5.16. 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