• Country
• United States of America (USA)

• Manufacturer / Brand
• Amrad Corporation; Medford Hillside (MA)

• Year
• 1928 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 32599

• • alternative name: American Radio & Research

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

• Number of Tubes
• 1

• Valves / Tubes
• UX213 or 280

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Power Pack 171 ABC - Amrad Corporation; Medford

• Notes

• ABC power pack (power unit).

  The schematic diagram calls a 213. That is ambiguous. In fact the proper name is UX213.

   

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 107 models, 81 with images and 43 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amrad Corporation; Medford Hillside (MA)