• Country
• United States of America (USA)

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

• Year
• 1969

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 217962

• • 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; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

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

• Power out
• 0.3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Royal 32C - Zenith Radio Corp.; Chicago,

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

• Dimensions (WHD)
• 182 x 166 x 65 mm / 7.2 x 6.5 x 2.6 inch

• Notes

• The Zenith model Royal 32C is a portable 8 transistor AM radio. AM Tuning Range: 540 to 1600 KHz. Has earphone jack on radio which disconnects the speaker for private listening. 

  Royal 32C is a black front on white back chassis, Royal 32P is an entirely white chassis.

• Literature/Schematics (1)
• - - Manufacturers Literature (Zenith Datasheet 923-571)

• Literature/Schematics (2)
• Collector's Guide To TrR1 Bunis trans.94 (Model info on page 310)

• Author
• Model page created by Franz Scharner. 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