• Country
• United States of America (USA)

• Manufacturer / Brand
• DuKane Corporation; St. Charles (IL)

• Year
• 1952

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 146749

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

• Number of Tubes
• 2

• Valves / Tubes
• 12AX7 50C5

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• AC/DC-set / 110 - 120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 4C25 "Flexifone" - DuKane Corporation; St.

• Shape
• Tablemodel, with any shape - general.

• Notes
• Selenium Rectifier.
  The Dukane Model 4C25 is an AC/DC Operated Intercommunication System Master Unit.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 12-52, Set 187, Folder 4)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 28 models, 27 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from DuKane Corporation; St. Charles (IL)