• Country
• United States of America (USA)

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

• Year
• 1959/1960

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 73969

• • alternative name: Chicago Radio Lab

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

• Number of Transistors
• 6

• Semiconductors
• 2N52 2N309 2N308 R119 R16_TI R16_TI

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 4x1.5 Volt

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

• Power out
• 0.2 W (undistorted)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Royal 675-L Ch= 6CT41Z1 - Zenith Radio Corp.; Chicago,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 8.44 x 4.93 x 3.125 inch / 214 x 125 x 79 mm

• Notes

• This model "Royal 675-L " is probably the Zenith model Royal 675L (chassis = 6CT41Z1) shown in Photofact set 492, folder 27 from July 1960. See also the later Royal 675LG with another case.

• Net weight (2.2 lb = 1 kg)
• 3 lb 3 oz (3.188 lb) / 1.447 kg

• Price in first year of sale
• 50.00 $

• Mentioned in
• Zenith Transistor Radios

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (set 492, folder 27, date 7-60)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 4491 models, 4096 with images and 3595 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL