Compatible with all Marantz Pianocorders Upright / Grand or Vorsetzer Player Piano systems. Modified by adding a 12V DC port to drive a silent fan to cool down the 8K power resistor (Optional). AC Power Cord & On-Off Cable Also Included, see the pictures. The power supply was tested with my Marantz Pianocorder piano for it’s full. 100-04D016 By : Superscope Made In USA. This Is The Exact Picture Of The Item For Sale. Any Questions About This Listing Feel Free To Ask. Thank You For Viewing My Listing Have A Blessed Day.