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<blockquote data-quote="riceboy319" data-source="post: 3267563" data-attributes="member: 579557"><p>displacement is 0.19 for a 15" Fi Q.</p><p></p><p>net volume 3 ft^3</p><p></p><p>port volume 0.65 ft^3</p><p></p><p>port area 36 in^2</p><p></p><p>my calculations seem different from RE so can someone clear this up? my amp is mounted on the box as shown in pix, a good idea? i want to have some space in the trunk and as you can see the amp is really big. could someone explain port area in terms of SQ? i was thinking of a sealed box, so whats a good compromise between ported and sealed for a daily SQ? if anyone gets different calculations or tuning plz let me know, how you did it would be even better.</p><p></p><p>just used WinISD and got somewhat similar results. after displacement the tuning freq went to about 29hz. still dont know how RE volume calculations are different from mine.</p></blockquote><p></p>
[QUOTE="riceboy319, post: 3267563, member: 579557"] displacement is 0.19 for a 15" Fi Q. net volume 3 ft^3 port volume 0.65 ft^3 port area 36 in^2 my calculations seem different from RE so can someone clear this up? my amp is mounted on the box as shown in pix, a good idea? i want to have some space in the trunk and as you can see the amp is really big. could someone explain port area in terms of SQ? i was thinking of a sealed box, so whats a good compromise between ported and sealed for a daily SQ? if anyone gets different calculations or tuning plz let me know, how you did it would be even better. just used WinISD and got somewhat similar results. after displacement the tuning freq went to about 29hz. still dont know how RE volume calculations are different from mine. [/QUOTE]
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