 The Signature Series grand pianos are usually chosen by professionals and advanced amateurs for their leading value in materials, and uses the same materials as the Steinway and Sons Boston line (made in Japan), but makes the series at the same location as the Steinway and Sons Essex line (lower cost than Boston) at the Pearl River site.The largest Signature Series grand piano in regular production is 6 ft 2 in, with only 20 made per year for the U.S. (a 7-foot Signature Series Grand Piano is available upon special order).The Signature Series is known for its "warm" tone, especially in the 6 ft 2 in (188 cm) version.