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Enclosure Design & Construction
adding a 4th sub, do chamber specs need to match other 3 to sound good?
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<blockquote data-quote="RSDXzec" data-source="post: 8047241" data-attributes="member: 638347"><p>Just double checked and it's 1.85cf each sorry, I used winisd to simulate the response and 3 of them is only 1db louder across about 28-36hz, after 40hz that 3 subs rises to about 4db louder when all subs are at rms power. Most prefab boxes for 12's I think are around 1.5cf so these aren't doing too bad, I designed this box for my car so I could make use of all the boot space I have. Also i'd like to know what you think of having 2 separately bought second hand subwoofers in the same chamber? Is it ok or would they react differently because they've been used in different boxes previously?</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="RSDXzec, post: 8047241, member: 638347"] Just double checked and it's 1.85cf each sorry, I used winisd to simulate the response and 3 of them is only 1db louder across about 28-36hz, after 40hz that 3 subs rises to about 4db louder when all subs are at rms power. Most prefab boxes for 12's I think are around 1.5cf so these aren't doing too bad, I designed this box for my car so I could make use of all the boot space I have. Also i'd like to know what you think of having 2 separately bought second hand subwoofers in the same chamber? Is it ok or would they react differently because they've been used in different boxes previously? Cheers. [/QUOTE]
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adding a 4th sub, do chamber specs need to match other 3 to sound good?
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