Read more Pramberger JP208B Conservatory Artist Grand The 6’10” Platinum JP-208B Conservatory Artist Grand by Pramberger. The beauty and craftsmanship of our Platinum Series is unparalleled. These grands are the ultimate art and expression of our piano makers.The men and women who build this fine piano learned their craft from excellent piano makers from the United States and Europe. All of the JP Prambergers are completed in the United States where experts in tonality and action regulation spend many hours making sure the JP Pramberger piano is ready for the most demanding of artist and venue. This piano comes with a 10yr Manufacturer Warranty and our exclusive Lifetime Trade Up Guarantee.