Bosendorfer (L. Bosendorfer Klavierfabrik GmbH) is an Austrian piano manufacturer, now a wholly owned subsidiary of Yamaha. The brand is known for producing pianos with a uniquely rich, singing, and sustaining tone. Bosendorfer is unusual in that it produces 97- and 92-key models in addition to instruments with standard 88-key keyboards.

ABOUT BOSENDORFER

Bosendorfer, one of the oldest piano manufacturers, was established in 1828 by Ignaz Bosendorfer. From the outset, it has had a history of producing highly respected instruments; in 1830, it was granted the status of official piano maker to the Emperor of Austria. Ignaz’s son Ludwig Bosendorfer (April 15, 1835 – May 9, 1919) took over in 1859, operating from new premises from 1860. Between 1872 and its closure in 1913, the associated Bosendorfer-Saal was one of the premier concert halls of Vienna. In 1909, the company was sold to Carl Hutterstrasser, who was succeeded by his sons Alexander and Wolfgang in 1931. In 1966 Bosendorfer was taken over by the Jasper Corporation (later renamed Kimball International), parent company of Kimball Pianos, where it remained before returning to Austrian hands when it was purchased by BAWAG PSK Gruppe in 2002. BAWAG signed an agreement to sell all stock in Bosendorfer to Yamaha on December 20, 2007. Yamaha subsequently explained on the Bosendofer website that they bought the company to find out how to make a quality instrument.

QUALITY PIANOS AT GREAT RATES

Bosendorfer pioneered the extension of the typical 88-key keyboard, creating the Imperial Grand (Model 290), which has 97 keys. This innovation was originally ordered as a custom built piano for Ferruccio Busoni who wanted to transcribe an organ piece that went to the c below the standard keyboard. This innovation worked so well that this piano was added to regular product offerings and quickly became one of the world’s most sought after concert grands. Because of the 290’s success, the Model 225 was later added to Bosendorfer’s regular line of instruments. This model has 92 keys. The extra keys, all at the bass end of the keyboard, were originally hidden beneath a hinged panel mounted between the piano’s conventional low A and the left-hand end-cheek to prevent their being struck accidentally during normal playing; more recent models have omitted this device and simply have the upper surface of the extra natural keys finished in matte black instead of white to differentiate them from the standard 88.

Taken from official site.

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