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cone are or excursion


DustinBolt

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in this case the 4 10s.

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Can always check how much air the subs move too by a simple calculation (sd) * (xmax * 2) to have a rough guide.

But at the end of the day, real world > theory.

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In b 4 lock! assuming they have the same RMS power handling then the 10's but for less space, more simplicity, and possibly the same RMS handling... id go the 2 12's.

4 10's might be louder and cleaner but the problem is, its more things that might fail, and it sounds like they are of lesser quality then your 12's. Also a box design for 2 12's is easier then a box for 4 10's... assuming were talking the ideal box... because less variables.

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would you run 2 12s with say 28mm of excursion or 4 10s with 20mm of ecursion?

2 12s 28mm = 2968 cubic centimeters of displacement

4 10s 20mm = 2640 cubic centimeters of displacement

For each option you would need to put whatever power it takes to reach Xmax.

You need to make your mind on why you want to do one over the other.

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Basing your sub decision on Xmax alone is dumb.

Good example:

RE XXX 12 vs. Fi BTL 12

XXX is almost double Xmax and would not hang with a BTL.

Displacement is not the only parameter of a subwoofer.

Current system:

1997 Blazer - (4) Customer Fi NEO subs with (8) American Bass Elite 2800.1s

Previous systems:

2000 Suburban - (4) BTL 15's and (4) IA 40.1's = 157.7 dB at 37 Hz.

1992 Astro Van - (6) BTL 15's and (6) IA 40.1's = 159.7 dB at 43 Hz.

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Basing your sub decision on Xmax alone is dumb.

Good example:

RE XXX 12 vs. Fi BTL 12

XXX is almost double Xmax and would not hang with a BTL.

Displacement is not the only parameter of a subwoofer.

Basing your sub decision on Xmax alone is dumb.

Good example:

RE XXX 12 vs. Fi BTL 12

XXX is almost double Xmax and would not hang with a BTL.

Displacement is not the only parameter of a subwoofer.

thanks thats the kind of information i was wanting to hear.

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