• 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
• 274620

• • alternative name: Chicago Radio Lab

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

• Number of Transistors
• 8

• Semiconductors
• AF117 AF117 AF117 AF117 AC128 AC128 AF117 AC128

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Solar- and/or muscle driven, also addl. power jack possible / AA : 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7 cm = 2.8 inch

• Material
• Various materials

• from Radiomuseum.org
• Model: All Transistor Royal 555 Sun Charger 8NT4278 - Zenith Radio Corp.; Chicago,

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

• Dimensions (WHD)
• 128 x 115 x 43 mm / 5 x 4.5 x 1.7 inch

• Notes

• Material : Chrome plated metal

  Backcover : Plastic

  Note : Use only Nickel-Cadmium batteries Eveready No. C-450

  See also the Royal 56

  Made in Mexico (model shown in current pictures)

   

• Net weight (2.2 lb = 1 kg)
• 1 lb (1 lb 0 oz) / 0.454 kg

• Literature/Schematics (1)
• Photofact TSM Transistor Radio Series SAMS (TSM-74, Sept. 1966)

Solar Radio History

2935 KB

• Documents regarding this model

• Author
• Model page created by Michael Gnaedig-Fischer. 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