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Low Earth Orbit
DIY Audio
60 Degree DIY Mid Hi - AKA PM60
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<blockquote data-quote="Robin Fredsson" data-source="post: 217263" data-attributes="member: 15421"><p>At how strong of a signal do you bash the DCX464's diaphragm into the phase plug in the first place? With a recommended lowest highpass of 300hz for the 464, I assume that you have a whole lot of displacement left if you cross if over at 650hz instead. So much so that you could probably go for a smaller diaphragm and still not bash it. After all, B&C do recommend a lowermost highpass at 400hz for the 354, so there is likely quite a bit of displacement left if you cross over at 650hz.</p><p></p><p>The way I see it, the 354 is likely the new go-to for the PM90/60, given its smaller size, lower weight, (smoother top end?), practically identical output, improved design and most likely lower price than the 464.</p></blockquote><p></p>
[QUOTE="Robin Fredsson, post: 217263, member: 15421"] At how strong of a signal do you bash the DCX464's diaphragm into the phase plug in the first place? With a recommended lowest highpass of 300hz for the 464, I assume that you have a whole lot of displacement left if you cross if over at 650hz instead. So much so that you could probably go for a smaller diaphragm and still not bash it. After all, B&C do recommend a lowermost highpass at 400hz for the 354, so there is likely quite a bit of displacement left if you cross over at 650hz. The way I see it, the 354 is likely the new go-to for the PM90/60, given its smaller size, lower weight, (smoother top end?), practically identical output, improved design and most likely lower price than the 464. [/QUOTE]
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60 Degree DIY Mid Hi - AKA PM60
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