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Junior Varsity
Second guessing the engineers
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<blockquote data-quote="Jay Barracato" data-source="post: 271" data-attributes="member: 24"><p>It seems like second guessing the design engineers is a common thread starter.</p><p></p><p></p><p></p><p>Yesterday, I was playing with my HPR181 and 152's, trying to use SMAART to look closer at the crossover region. The HPR's have a built in crossover that is at 100 hz.</p><p></p><p></p><p></p><p>I started with the boxes stacked with the front edges aligned. It seemed my best measurement was at 1m on axis with the mic centered between the two boxes. I also tried ground plane at 1m and 2 m. I was getting consistent results with all three positiona. I finally determined a delay of 1.5 ms.</p><p></p><p></p><p></p><p>Then I switched over to the pole mount and determined the delay needed. You guessed it: 0 ms.</p><p></p><p></p><p></p><p>Lesson learned: If you are going to use a system that is designed to work together, it is probably best to trust the designers.</p><p></p><p></p><p></p><p>This is probably biased because I have been listening to these boxes with minimum processing for two years, but I didn't find any eq changes for the top that I thought sounded better than just leaving the processing flat.</p></blockquote><p></p>
[QUOTE="Jay Barracato, post: 271, member: 24"] It seems like second guessing the design engineers is a common thread starter. Yesterday, I was playing with my HPR181 and 152's, trying to use SMAART to look closer at the crossover region. The HPR's have a built in crossover that is at 100 hz. I started with the boxes stacked with the front edges aligned. It seemed my best measurement was at 1m on axis with the mic centered between the two boxes. I also tried ground plane at 1m and 2 m. I was getting consistent results with all three positiona. I finally determined a delay of 1.5 ms. Then I switched over to the pole mount and determined the delay needed. You guessed it: 0 ms. Lesson learned: If you are going to use a system that is designed to work together, it is probably best to trust the designers. This is probably biased because I have been listening to these boxes with minimum processing for two years, but I didn't find any eq changes for the top that I thought sounded better than just leaving the processing flat. [/QUOTE]
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Second guessing the engineers
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