The ornamental design for an audio/video cabinet, as shown and described.
FIG. 1 is a perspective view of an audio/video cabinet showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a right side view thereof; and,
FIG. 5 is a left view thereof.
The bottom and rear views are omitted and form no part of the claimed design. The broken lines shown in FIGS. 1–5 are included for the purpose of illustrating environmental elements only and form no part of the claimed design.