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Enclosure Design & Construction
Which enclosure and which location in quadcab PU
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<blockquote data-quote="keep_hope_alive" data-source="post: 7599489" data-attributes="member: 576029"><p>The Type-R subs are just fine. I also like JL audio - yes you pay a bit more, but they are a great company with very good products.</p><p></p><p>The issue with a truck is you have a small room - so room acoustics come into play. this means where you place the sub determines what room modes you excite and where you sit determines what room modes you hear. you also get cancellation in the form of phase interference from reflections - this happens in the audible bass response. corner loaded is usually fool proof since you gain 9dB from coherent reflections and you excite all room modes.</p><p></p><p>if SQ is your goal, then sacrifice is required. the rear passenger corner of the cabin is a great place - but losing one seat is a down-side that may or may not be an issue for you.</p><p></p><p>i recently had success with a center console sub - down firing. the Ultra LV10 sounds amazing in a sealed enclosure.</p><p></p><p>under-seat enclosures can work well, but buying a full engineered solution (JL Stealth box) is your best bet. You pay a lot more but you get something guaranteed to work. mix and match enclosure/sub combos that are not specifically engineered solutions are going to be hit and miss with success. you can save money, but at the sacrifice of SQ.</p><p></p><p>we all have different expectations, and the biggest trick is determining what the solution should be for YOUR vehicle. what works for one person/vehicle may not be liked by someone else's specific set of circumstances.</p><p></p><p>as far as enclosure materials, fiberglass solutions can be just fine - if they are properly implemented. MDF is easier and more reliable, but the wood thickness eats up space.</p><p></p><p>your first step should be to determine what airspace you can get in an under seat enclosure. then compare that with the recommended airspace to achieve a Q of 0.707 with your sub selection (considered optimal for SQ)</p></blockquote><p></p>
[QUOTE="keep_hope_alive, post: 7599489, member: 576029"] The Type-R subs are just fine. I also like JL audio - yes you pay a bit more, but they are a great company with very good products. The issue with a truck is you have a small room - so room acoustics come into play. this means where you place the sub determines what room modes you excite and where you sit determines what room modes you hear. you also get cancellation in the form of phase interference from reflections - this happens in the audible bass response. corner loaded is usually fool proof since you gain 9dB from coherent reflections and you excite all room modes. if SQ is your goal, then sacrifice is required. the rear passenger corner of the cabin is a great place - but losing one seat is a down-side that may or may not be an issue for you. i recently had success with a center console sub - down firing. the Ultra LV10 sounds amazing in a sealed enclosure. under-seat enclosures can work well, but buying a full engineered solution (JL Stealth box) is your best bet. You pay a lot more but you get something guaranteed to work. mix and match enclosure/sub combos that are not specifically engineered solutions are going to be hit and miss with success. you can save money, but at the sacrifice of SQ. we all have different expectations, and the biggest trick is determining what the solution should be for YOUR vehicle. what works for one person/vehicle may not be liked by someone else's specific set of circumstances. as far as enclosure materials, fiberglass solutions can be just fine - if they are properly implemented. MDF is easier and more reliable, but the wood thickness eats up space. your first step should be to determine what airspace you can get in an under seat enclosure. then compare that with the recommended airspace to achieve a Q of 0.707 with your sub selection (considered optimal for SQ) [/QUOTE]
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Which enclosure and which location in quadcab PU
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