• Country
• United States of America (USA)

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

• Year
• 1953/1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 73572

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 5

• Valves / Tubes
• 12BE6 12BA6 12AT6 50C5 35W4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: K518 Ch= 5J03 - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Dimensions (WHD)
• 13.25 x 5.375 x 6 inch / 337 x 137 x 152 mm

• Notes

• Model K518 is essentially identical to the model J514 series except that the K518 has the Zenith crest and "Zenith DeLuxe" on the front.  The J514 does not have the crest and only says "Zenith"

  ​The following models are identical except for cabinet color.  Note that the model labels may not show the color letter designation.

  Model Number	Cabinet Color
  K518	Walnut
  K518F	Green
  K518G	Gray
  K518W	White
  K518Y	Black

   

• Net weight (2.2 lb = 1 kg)
• 4 lb 13 oz (4.813 lb) / 2.185 kg

• Mentioned in
• Collector's Guide to Antique Radios (7th Edition) (page 314)

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 12, 1952 (page 163 for 5J03 chassis)

• 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