K412W Ch=4K01

• Country
• United States of America (USA)

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

• Year
• 1953 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 73570

• • alternative name: Chicago Radio Lab

• Picture
• Schematics

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1U5 3V4

• 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
• AC/DC-set / 110 - 120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Material
• Bakelite case

• from Radiomuseum.org
• Model: K412W Ch=4K01 - Zenith Radio Corp.; Chicago,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 170 x 110 x 100 mm / 6.7 x 4.3 x 3.9 inch

• Notes

• Selenium Rectifier
  The Zenith Modell K412W is an AC/DC Operated 4 Tube AM Superheterodyne Receiver.

  Bakelite with metal trim. Available in different colors.

• Net weight (2.2 lb = 1 kg)
• 1.4 kg / 3 lb 1.3 oz (3.084 lb)

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 13, 1953

• Mentioned in
• Table Top Radios Vol. 1 Stein 98 (page 175.)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 2-53, Set 195, Folder 13)

• 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