The ornamental design for a loudspeakerhorn, as shown and described herein.
FIG. 1 is a front perspective view of a loudspeaker horn in accordance with the present invention;
FIG. 2 is a front elevational view of the loudspeaker horn of FIG. 1;
FIG. 3 is a rear elevational view of the loudspeaker horn of FIG. 1;
FIG. 4 is a top plan view of the loudspeaker horn of FIG. 1, which is a mirror image of the bottom of the loudspeaker horn; and,
FIG. 5 is an elevational view of a first lateral side of the loudspeaker horn of FIG. 1, which is a mirror image of the opposing lateral side of the loudspeaker horn.
The broken lines shown are included for the purpose of illustrating portions of the loudspeaker horn that form no part of the claim.