• Country
• United States of America (USA)

• Manufacturer / Brand
• Fansteel Products (Pfanstiehl, Pfansteihl, Balkite, Balkeit); Chicago

• Year
• 1926 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 33968

• • alternative name: Balkeit || First National
  • Brand: Overtone

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

• from Radiomuseum.org
• Model: Balkeit "A & B" Supply AB 6-180 [Form B] - Fansteel Products Pfanstiehl,

• Notes
• "B" output 55 mA at 180 / 135 / 90 / 67.5 and 45 or 22.5 Volts. "A" output 6 Volts 2 Amps.
  Note: This model is BALKITE (not Balkeit)!
  Balkeit, Balkite, Pfanstiehl are put together to Fansteel.

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 131 models, 74 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Fansteel Products (Pfanstiehl, Pfansteihl, Balkite, Balkeit); Chicago