all new Cornerstone Overdrive from Diamond is a true bypass "variable
personality" drive that is capable of serving up drive from a low gain
grit to searing leads. With its dual grain control you are able to
independently and interactively blend the two unique gain stages for a
wide range of harmonically complex distortion tones. With the use of
the midrange cut/boost knob and bright switch you are able to unlock
an even wider variety of tonal doors.
Effects the overall out put of the pedal.
Designed to be similar to a "preamp" gain stage.
Designed to be similar to "power tube" saturation with a wider range.
Effects the level of midrange cut and boost
Bright (BRT) Switch:
Changes the contour of the treble for switching between Single-coil and