• Country
• United States of America (USA)

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

• Year
• 1928/1929

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 68363

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 1

• Valves / Tubes
• 71

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Direct Current supply (DC) / 115 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Power Unit ZE17 - Zenith Radio Corp.; Chicago,

• Shape
• Chassis only or for «building in»

• Notes
• Power Supply for Models 333, 353A;
  contains also 2nd AF stage.

• External source of data
• Ernst Erb

• Source of data
• Zenith Radio The Early Years 1919-1935

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Other Models

• Here you find 4491 models, 4096 with images and 3595 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL