- Howard Schott
- , revised by Anne Beetem Acker
Austrian family of piano makers. The workshop was founded about 1792 by Michael Schweighofer (b Rincha, Bavaria, c1771; d Vienna, Austria, 29 May 1809), who became a citizen of Vienna in December 1801. A six-octave (F′–f ″″) grand piano of his (1808; A.W.km) has a typical Viennese action with flat dampers and three pedals in a suspended lyre. After his death his widow, Anna Wissgill Schweighofer (b Gfäll, Lower Austria, 1780; d Vienna, Austria, 1 May 1822), carried on the business while raising their three children, and in 1811 she married the piano maker Johann Joseph Promberger (b Kuffulk, Tyrol, Austria, 5 June 1779; d Vienna, Austria, 25 June 1834). Promberger likely taught her son Johann Michael Schweighofer (1806–52) the craft of piano making. The firm Schweighofer und Promberger was listed from 1816 to 1820 at Alsergasse 24, and from ...