TM - Electro-Voice

DescriptionThe Electro-Voice Sx300 is a 300-watt,12-inch two-way, high-efficiency, con-stant-directivity compact speaker systemwith Ring-Mode Decoupling (RMDTM).Through the extensive use of computer-aideddesign and modeling, Electro-Voice engi-neers have developed a state-of-the-art pro-fessional loudspeaker high-frequency section of the Sx300utilizes a molded-in, 65 x 65 constant-di-rectivity horn. This unique pattern contrib-utes to high intelligibility. Vocals sound natu-ral yet cut through in reverberant, noisyrooms. In addition, the coverage pattern isunusually uniform over its range of opera-tion. Sound quality off axis is very wellmaintained, even at 45 off axis (a 90 totalcoverage angle), well beyond the rated cov-erage angle. The horn s unique, VaripathTMthroat geometry helps direct driver output tothe corners of the room, points of coveragenot described in the usual specifications ofhorizontal and vertical coverage angles, andparts of the audience that typically do notreceive the strongest of the many other unique features ofthe Sx300 is the cabinet.

widths is shown in Figure 2. These polar re-sponses were measured in an anechoic envi-ronment at 10 feet using one-third-octave pink-noise inputs. The frequencies selected are fully representative of the polar response of the system. Beamwidth of the system uti-lizing the complete one-third-octave polar data is shown in Figure 3. R q and ...

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