• Country
• United States of America (USA)

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

• Year
• 1928 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 68374

• • alternative name: Chicago Radio Lab

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

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Filter Unit ZE8 - Zenith Radio Corp.; Chicago,

• Shape
• Chassis only or for «building in»

• Notes
• Filter Unit in conjunction with Power Supply ZE7

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 7 = 1936 and before

• Other Models

• Here you find 4513 models, 4102 with images and 3644 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL