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Danley SM80 and others shootout Monday January 14 at Danley in Gainesville, GA.
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<blockquote data-quote="John Roberts" data-source="post: 75614" data-attributes="member: 126"><p>Re: Danley SM80 and others shootout Monday January 14 at Danley in Gainesville, GA.</p><p></p><p>Not to wrestle over semantics, yes a stick stuck in the mud has a transient response while one might expect not very quick to respond to input changes. </p><p></p><p>One might even carry on a Clintonesque debate over what "good" transient response means? Quick, or well behaved? Either answer could be correct in different contexts. </p><p></p><p>I won't argue about what general understandings are, I know you know how this all works.</p><p></p><p>For clarity regarding what I mean, a properly operated LF bandpass box is generally limited to reproduce frequency content within it's bandpass so talking about quickly changing signals involves other cabinets. </p><p></p><p>The physical action called a "punch" suggests a rapid forceful movement in mostly one direction. I understand that this is not a literal analogy for "loudspeaker punch". </p><p></p><p>Regarding underdamped or over damped systems, under-damped systems can overshoot in response to an impulse, while over-damped will under shoot. Optimal damping could depend on adjacent bandpass tuning that should roughly complement each other and combine in the crossover region benignly. I can imagine how an underdamped system with overshoot might be characterized by some as "punchy" because it overstates impulses/transients. (I understand that low bass cabinets are not always treated as a linear extension downward of the full range system that needs to mate smoothly, but sometimes is used as an separate sound source with it's own volume control.)</p><p></p><p>Again, sorry to veer and dissemble. Still interested in what Ivan means by Punch.</p><p></p><p>JR</p></blockquote><p></p>
[QUOTE="John Roberts, post: 75614, member: 126"] Re: Danley SM80 and others shootout Monday January 14 at Danley in Gainesville, GA. Not to wrestle over semantics, yes a stick stuck in the mud has a transient response while one might expect not very quick to respond to input changes. One might even carry on a Clintonesque debate over what "good" transient response means? Quick, or well behaved? Either answer could be correct in different contexts. I won't argue about what general understandings are, I know you know how this all works. For clarity regarding what I mean, a properly operated LF bandpass box is generally limited to reproduce frequency content within it's bandpass so talking about quickly changing signals involves other cabinets. The physical action called a "punch" suggests a rapid forceful movement in mostly one direction. I understand that this is not a literal analogy for "loudspeaker punch". Regarding underdamped or over damped systems, under-damped systems can overshoot in response to an impulse, while over-damped will under shoot. Optimal damping could depend on adjacent bandpass tuning that should roughly complement each other and combine in the crossover region benignly. I can imagine how an underdamped system with overshoot might be characterized by some as "punchy" because it overstates impulses/transients. (I understand that low bass cabinets are not always treated as a linear extension downward of the full range system that needs to mate smoothly, but sometimes is used as an separate sound source with it's own volume control.) Again, sorry to veer and dissemble. Still interested in what Ivan means by Punch. JR [/QUOTE]
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Danley SM80 and others shootout Monday January 14 at Danley in Gainesville, GA.
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