• Country
• United States of America (USA)

• Manufacturer / Brand
• Pacent, New York City

• Year
• 1929

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 49984

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

• Number of Tubes
• 4

• Valves / Tubes
• UX281 UX281 UX281 UX281

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: 1020 SPU power supply C-8837 - Pacent, New York City

• Shape
• Chassis only or for «building in»

• Notes
• The 1020 SPU power supply is for 530 V and 450 V DC and output for UY227, UX245 and UX250 tubes.

• External source of data
• Ernst Erb

• Literature/Schematics (4)
• Rider's Perpetual, Volume 4 = ca. 1934 and before (Pacent page 4-7, drawing 1929, together with 1015 amplifier schematic.)

• Other Models

• Here you find 38 models, 16 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pacent, New York City