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High Frequency Compression Driver Evaluation
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<blockquote data-quote="Art Welter" data-source="post: 51912" data-attributes="member: 52"><p>Re: High Frequency Compression Driver Evaluation</p><p></p><p></p><p>Bennett,</p><p></p><p>I like Vance's reviews, but they are done at home stereo listening levels:</p><p></p><p>"For the distortion measurement, the DE120/XR1064 combination was mounted on the same baffle that was used to generate the on- and off-axis frequency response measurements,and the SPL set to 104 dB at 1 m (2.05 V) ..."</p><p></p><p>Although it is interesting to see distortion levels already above 3% at 1000 Hz at this moderate drive level, my tests were done to see and hear what the distortion levels were at the AES rated levels that the drivers reach in PA use, not at 1/10th (or 1/50th) rated power.</p><p></p><p>Art</p></blockquote><p></p>
[QUOTE="Art Welter, post: 51912, member: 52"] Re: High Frequency Compression Driver Evaluation Bennett, I like Vance's reviews, but they are done at home stereo listening levels: "For the distortion measurement, the DE120/XR1064 combination was mounted on the same baffle that was used to generate the on- and off-axis frequency response measurements,and the SPL set to 104 dB at 1 m (2.05 V) ..." Although it is interesting to see distortion levels already above 3% at 1000 Hz at this moderate drive level, my tests were done to see and hear what the distortion levels were at the AES rated levels that the drivers reach in PA use, not at 1/10th (or 1/50th) rated power. Art [/QUOTE]
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