• Country
• United States of America (USA)

• Manufacturer / Brand
• Pilot Electric Mfg. Co. (Radio Corp.); Brooklyn (NY)

• Year
• 1931 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 151621

• • alternative name: Pilot Radio & Television || Pilot Radio and Tube || Pilot Radio Corporation

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) / 110; 125 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Power Pack K-139 - Pilot Electric Mfg. Co. Radio

• Notes
• 2.5, 2.5, 4.0 and 5.0 V "A" voltage; 45, 90, 135, 180, 220 and 300 V "B" voltage.

• Circuit diagram reference
• Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

• Other Models

• Here you find 544 models, 271 with images and 408 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pilot Electric Mfg. Co. (Radio Corp.); Brooklyn (NY)