• 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
• 68371

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 1

• Valves / Tubes
• 80

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 95 -125 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Power Supply ZE-7 - Zenith Radio Corp.; Chicago,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 5.56 x 8.25 x 11.5 inch / 141 x 210 x 292 mm

• Notes

• Used in conjunction with Zenith ZE-8P power supply filter.

• Net weight (2.2 lb = 1 kg)
• 17 lb 2 oz (17.125 lb) / 7.775 kg

• External source of data
• Ernst Erb

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

• Mentioned in
• Rider´s vol.8 ch.

• 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