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<blockquote data-quote="Paul Bell" data-source="post: 35280" data-attributes="member: 413">Re: McCauley M421 Quad 21&quot; SubwooferOK folks, I finally have some flight hours with these cabinets.It was a system setup in the rear of The Brooklyn Museum for a rather large Caribbean music event that’ll run through the weekend. The main system consisted of McCauley MLA6 and MLA3 line arrays with CSM88 subs.For demonstration purpose, the M421 cabinets were setup in a center cluster of four cabinets powered by four Lab.Gruppen PLM 14000 amplifiers. The cabinets went very loud with big bass. They were clean and accurate. As I had to come and go during the days the cabinets were in use, I did not see any frequency sweeps. One other company owner who came to audition the cabinets brought his own meter and measured 128db A weighted at 80 feet with just these subs on. During all of this testing, not once did a breaker trip.Their setup and use was overseen by Ryan McCauley of McCauley Sound. The sound company, from Florida, was very impressed with the cabinets as was a sound company Ryan visited upstate New York prior to this event. Both these companies will be ordering M421&#039;s for their rental stock.What’s my take on these subs? While I don’t have certified test data and graphs, I can attest they do go pretty darn low in frequency and achieve monstrous high sound levels. I don’t think I’ve ever experienced the amount of air movement that these things pushed. It would certainly take a lot of cabinets to produce what these things do. I did go into this demo a little biased from what was stated earlier in this thread but I was happily surprised that the cabinets worked and sounded very good without issue. Everybody else visiting and working the event were pretty blown away.</blockquote>

[QUOTE="Paul Bell, post: 35280, member: 413"] Re: McCauley M421 Quad 21" Subwoofer OK folks, I finally have some flight hours with these cabinets. It was a system setup in the rear of The Brooklyn Museum for a rather large Caribbean music event that’ll run through the weekend. The main system consisted of McCauley MLA6 and MLA3 line arrays with CSM88 subs. For demonstration purpose, the M421 cabinets were setup in a center cluster of four cabinets powered by four Lab.Gruppen PLM 14000 amplifiers. The cabinets went very loud with big bass. They were clean and accurate. As I had to come and go during the days the cabinets were in use, I did not see any frequency sweeps. One other company owner who came to audition the cabinets brought his own meter and measured 128db A weighted at 80 feet with just these subs on. During all of this testing, not once did a breaker trip. Their setup and use was overseen by Ryan McCauley of McCauley Sound. The sound company, from Florida, was very impressed with the cabinets as was a sound company Ryan visited upstate New York prior to this event. Both these companies will be ordering M421's for their rental stock. What’s my take on these subs? While I don’t have certified test data and graphs, I can attest they do go pretty darn low in frequency and achieve monstrous high sound levels. I don’t think I’ve ever experienced the amount of air movement that these things pushed. It would certainly take a lot of cabinets to produce what these things do. I did go into this demo a little biased from what was stated earlier in this thread but I was happily surprised that the cabinets worked and sounded very good without issue. Everybody else visiting and working the event were pretty blown away. [/QUOTE]

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