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<blockquote data-quote="Peter Morris" data-source="post: 212398" data-attributes="member: 652">Hi Dominique,I could not see the paid article, but I did read the PM90 tread.Having read that I feel I should point out a couple of things-<ul>
<li data-xf-list-type="ul">The PM90/60 is designed to be pole mounted – as such there are some compromises.</li>
<li data-xf-list-type="ul">They are only designed to go down to 100Hz</li>
<li data-xf-list-type="ul">Because of the bent mid horn,&nbsp; the mids should not operate above about 750Hz</li>
<li data-xf-list-type="ul">The mids are not designed to be flat without DSP correction.</li>
<li data-xf-list-type="ul">The 12” drivers operate in their piston range.</li>
<li data-xf-list-type="ul">Because the 12” drivers are operating in their piston range you can correct their response with a DSP and they will still sound good.</li>
<li data-xf-list-type="ul">The choice of the BMS4594 other than sound quality was its ability to operate at the very low crossover frequency needed.&nbsp; This is what limits the number of other suitable compression drivers and horns.</li>
</ul></blockquote>

[QUOTE="Peter Morris, post: 212398, member: 652"] Hi Dominique, I could not see the paid article, but I did read the PM90 tread. Having read that I feel I should point out a couple of things- [LIST] [*]The PM90/60 is designed to be pole mounted – as such there are some compromises. [*]They are only designed to go down to 100Hz [*]Because of the bent mid horn, the mids should not operate above about 750Hz [*]The mids are not designed to be flat without DSP correction. [*]The 12” drivers operate in their piston range. [*]Because the 12” drivers are operating in their piston range you can correct their response with a DSP and they will still sound good. [*]The choice of the BMS4594 other than sound quality was its ability to operate at the very low crossover frequency needed. This is what limits the number of other suitable compression drivers and horns. [/LIST] [/QUOTE]

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