Constant distortion volume control unit
FIG. 1 is a front perspective view of a constant distortion volume control unit, showing my new design; 
     FIG. 2 is a front elevation of the unit; 
     FIG. 3 is a left side elevation of the unit as seen from the left of FIG. 2; 
     FIG. 4 is a rear elevation of the unit; 
     FIG. 5 is a top plan view of the unit; and 
     FIG. 6 is a bottom plan view of the unit.