It is evident that process inks in observed reproducing system
in visible part of the spectrum have common reflections, but in IR part black ink expresses much lower reflection (higher absorption).
Only Yamaha offers you the unmatched combination of a world-class piano with a reproducing system
so incredible you'll feel like you're at a concert.
Gordon Holt (The Audio Amateur Press): "The accuracy with which a reproducing system
conveys audible information about the size, shape, and acoustical characteristics of the original recording space and the placement of the performers within it." The PSBs do more than their part in creating a soundstage that duplicates the sonic signature of the recording venue.