Yamaha C1X SH3 Silent grand pianoIntroducing the Yamaha C1X SH3 Silent grand piano The Yamaha C1 grand piano is a wonderful combination of compact design and big resonant sound quality. At 5'3'' the instrument is big enough to produce a real depth of sound but small enough to fit domestically. The C series, as of January 2013, had their first major redesign. The C1X now has a redesigned soundboard crown, new string material and a much more refined set of hammers which resulted in a