• 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
• 68121

• • alternative name: Chicago Radio Lab

• Number of Transistors
• 9

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Storage and/or dry batteries / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• from Radiomuseum.org
• Model: Royal 91 Inter-Oceanic Multiband 9NT44Z8 - Zenith Radio Corp.; Chicago,

• Dimensions (WHD)
• 12 x 8 x 5 inch / 305 x 203 x 127 mm

• Net weight (2.2 lb = 1 kg)
• 3.3 kg / 7 lb 4.3 oz (7.269 lb)

• External source of data
• Ernst Erb

• 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