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<blockquote data-quote="Buck" data-source="post: 8758046" data-attributes="member: 591582">This box is pretty big for 10’s.&nbsp; Like the biggest I’ve ever done, I suspect.&nbsp; These subs are well designed.&nbsp; This is one of those boxes I oversized somewhat, in attempt for flatter and low response, on the sealed side.&nbsp; Dude, these subs resonate lower in sealed than some 18’s do, and their low resonance and box size matches up with a great Qtc.&nbsp; These subs are very well designed. I’m gonna stop before I give away too much secret sauce haha. 4ths- you have to have the right sub. Even in subs that work in or have recommended sealed, those subs aren’t always the best for a 4th bandpass. It just depends on the frequency response people want. I can tell who knows how 4th order bandpasses work by how they talk about it.Ratios don’t matter!!! That’s not how it works lol. It kills me inside some, and it makes me feel better, at the same time. 4th order bandpasses can be SOOOOO musical. Or they can be SPL monsters. I prefer series 6th orders over 4th order bandpasses in many situations, especially at a certain power level per woofer.If somebody wants to explain how they know ratios matter, then go for it.&nbsp; That’s just a great way to not get what you really want.‘Tis frustrating when I see people say “I want a X:1 ratio 4th”, like that says anything about how it’ll play.&nbsp; My customers haven’tdone that; I’m just talking about what I see online.&nbsp; I’m not gonna name names, but there’s people who have some of the biggest systems and their 4th order b-pillar is designed via a ratio thought process.&nbsp; I wish they’d let me design it.&nbsp; I’ve seen the response graphs, aka the dB’s across their bandwidths.&nbsp; I’ve literally seen like 5-10 dB drop offs on musical boxes within an octave of peak <img class="smilie smilie--emoji" loading="lazy" alt="😂" title="😂" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f602.png" /></blockquote>

[QUOTE="Buck, post: 8758046, member: 591582"] This box is pretty big for 10’s. Like the biggest I’ve ever done, I suspect. These subs are well designed. This is one of those boxes I oversized somewhat, in attempt for flatter and low response, on the sealed side. Dude, these subs resonate lower in sealed than some 18’s do, and their low resonance and box size matches up with a great Qtc. These subs are very well designed. I’m gonna stop before I give away too much secret sauce haha. 4ths- you have to have the right sub. Even in subs that work in or have recommended sealed, those subs aren’t always the best for a 4th bandpass. It just depends on the frequency response people want. I can tell who knows how 4th order bandpasses work by how they talk about it. Ratios don’t matter!!! That’s not how it works lol. It kills me inside some, and it makes me feel better, at the same time. 4th order bandpasses can be SOOOOO musical. Or they can be SPL monsters. I prefer series 6th orders over 4th order bandpasses in many situations, especially at a certain power level per woofer. If somebody wants to explain how they know ratios matter, then go for it. That’s just a great way to not get what you really want. ‘Tis frustrating when I see people say “I want a X:1 ratio 4th”, like that says anything about how it’ll play. My customers haven’t done that; I’m just talking about what I see online. I’m not gonna name names, but there’s people who have some of the biggest systems and their 4th order b-pillar is designed via a ratio thought process. I wish they’d let me design it. I’ve seen the response graphs, aka the dB’s across their bandwidths. I’ve literally seen like 5-10 dB drop offs on musical boxes within an octave of peak 😂 [/QUOTE]

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