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Petrof is a Czech piano manufacturer founded in 1864. It is the leading European piano manufacturer, exporting to more than 60 countries.
The company was founded in 1864 in Hradec Králové, Kingdom of Bohemia, by Antonín Petrof (d. 1915), who had apprenticed at Viennese companies such as Heintzman & Co., Friedrich Ehrbar and Schweighofer.
The owner Antonín Petrof was awarded an imperial and royal warrant of appointment to the court of Austria-Hungary. In 1924 the company was exporting its pianos to Europe, Japan, China, Australia and South America.
At the World Exhibition 1934 in Brussels, the Petrof instruments won the gold medal. At that time, approximately 400 people worked at their factory.
In 1948, Petrof was nationalized. The company was returned to the Petrof family in 1991. Petrof is currently led by two sisters from the fifth generation of the Petrof family and produces annually approximately 2,000 grand pianos and 12,000 upright pianos. Petrof is known for several innovations, such as ways to adjust the mechanics and particularly pressure point through magnetic systems.
Learn more at Petrof USA Home (petrof-usa.com)
According to the Piano Technicians Guild (PTG), seasonal and even daily changes in humidity make a piano's wood parts swell and shrink. That affects tuning stability and how the keys feel.
In July 2026, Stanford reported on a study led by concert pianist Elizabeth Schumann, the Billie Bennett Director of Keyboard Programs at Stanford, with support from the Wu Tsai Human Performance Alliance.
Bonn — the city where Beethoven was born in 1770 — just wrapped up its month-long Beethovenfest, which ran from September 3 to October 3, 2026.
It was a homecoming in more ways than one. The festival's main venue, the Beethovenhalle, reopened in December 2025 after being closed for almost ten years of renovation. This September it was back at the center of the festival, with the London Symphony Orchestra opening the program.