The ornamental design for a loudspeakergrille, as shown and described.
FIG. 1 is a top perspective view of a loudspeaker grille showing our new design;
FIG. 2 is front elevational view thereof;
FIG. 3 is a right side elevational view thereof, the left side being a mirror image;
FIG. 4 is an enlarged top plan view thereof; and,
FIG. 5 is an enlarged fragmentary view thereof taken along line 5 in FIG. 2, showing the loudspeaker grille perforation pattern in greater detail.
The broken line representation of a loudspeaker box shown in FIGS. 1 and 4, and the broken line representation of in-turned ends for the loudspeaker grille sidewalls shown in FIGS. 1, 4, and 5, are for illustrative purposes only and form no part of the claimed design. The circle shown as a dash-dot-dash line in FIGS. 1, 2, and 5 represent the bounds of the claimed design, with the inside of the circle containing unclaimed subject matter. The rear of the loudspeaker grille also not part of the claimed design and is not shown.