• Country
• United States of America (USA)

• Manufacturer / Brand
• RCA (RCA Victor Co. Inc.); New York (NY)

• Year
• 1933

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 54384

• • alternative name: RCA Manufacturing || Victor Talking Machine

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

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• from Radiomuseum.org
• Model: PK21A1 Speaker Field Supply - RCA RCA Victor Co. Inc.; New

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 4 = ca. 1934 and before

• Other Models

• Here you find 5132 models, 3235 with images and 4167 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from RCA (RCA Victor Co. Inc.); New York (NY)