• Country
• United States of America (USA)

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

• Year
• 1965 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 87452

• • alternative name: Chicago Radio Lab

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

• Number of Transistors
• 8

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / AA: 2 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 cm = 2.4 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Royal 59C-1, 59F-1, 59W-1 Ch= 8NT52Z8, 8NT52Z9 - Zenith Radio Corp.; Chicago,

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

• Dimensions (WHD)
• 70 x 115 x 35 mm / 2.8 x 4.5 x 1.4 inch

• Notes

• The Zenith Royal 59-1 model came in three case combinations:

  Model	Front	Back
  Royal 59C-1	White	Brown
  Royal 59F-1	White	Green
  Royal 59W-1	Black	White

  The "G" Gift box version (i.e. Royal 59C-1G) was available, which included radio, custom carry case, earphone attachment, and batteries in a gift box.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 26, 1966

• Mentioned in
• Zenith Transistor Radios (page 91.)

• Literature/Schematics (1)
• Photofact TSM Transistor Radio Series SAMS (TSM 81, May 1967.)

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

• Other Models

• Here you find 4505 models, 4101 with images and 3631 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL