• Country
• United States of America (USA)

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

• Year
• 1963 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 172965

• • alternative name: Chicago Radio Lab

• Number of Transistors
• 8

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 2 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.5 cm = 2.2 inch

• Power out
• 0.15 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Royal 12 Y Ch= 8NT51Z9 / 8XT51Z9 [black] - Zenith Radio Corp.; Chicago,

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

• Dimensions (WHD)
• 72 x 115 x 36 mm / 2.8 x 4.5 x 1.4 inch

• Notes
• Zenith Royal 12, 8 Transistor pocket radio.
  Suffix Y = color black.

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

• Author
• Model page created by Konrad Birkner † 12.08.2014. 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