Used by the World's Finest Piano Manufacturers for More Than a Century
Blüthner - Bohemia - Bösendorfer - Estonia - Fazioli - August Förster - Grotian-Steinweg Guangzhou - Kawai - Mason & Hamlin - Petrof - Pfeiffer - Pleyel - Pollman - Pramberger Royale Piano - Rönisch Hupferd - Samick - Sauter - Schimmel - Schulze - Steinberg Steingraeber - Steinway & Sons - Charles Walter - Whelpdale - Young Chang - Zimmermann
This is the Official Grand
Action Testing Model which is used exclusively by the Piano Technicians
Guild in the final examination process leading to the distinguished
achievement of Registered Piano Technician (RPT).