Unison Off

Unison

All speaking stops are designed to speak at their normal designated pitch, the “unison.” The unison pitch of the Bourdon 8', for example, is 8' (normal) pitch.

For the Prestant 4', unison is 4' (an octave above normal) pitch.

For the Super Octave 2', unison is 2'' (two octaves above normal) pitch.