The ornamental design for a control for musicalequipment, as shown and described.
FIG. 1 is a left, front perspective view of a control for musical equipment showing my new design wherein elements shown in phantom lines are not a part of the claimed design.
FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image thereof.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a front elevational view thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken lines shown around the knob are for illustrative purposes only and form no part of the claimed design.