How many 6.5in driver equals one 8in driver

If I am doing a simple math equation of a surface of a circle, pi * r^2, then:

8in. : 3.14 * 4 ^2 = 50.24 in^2

6.5in: 3.14 * 3.25^2 = 33.16 ^2

So it seems like it will take 2 6.5in drivers to equal an 8 in. driver.

andy203-21-2026 4:51pm

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jonwolfpell Details Discussions Posts This discussion Message User 530 posts 04-10-2026 at 01:45am Copy Comment URL Report Comment Edit Delete I have yet to hear a speaker w/ multiple small woofers that can match a big box w/ big woofers assuming both are of good quality. The whole concept of insisting on narrow speakers to minimize diffractions & improved imaging is questionable which is mostly why speakers use multiple small woofers.
toddalin Details Discussions Posts This discussion Message User 659 posts 04-10-2026 at 01:55am Copy Comment URL Report Comment Edit Delete Probably cheaper to build the cabinet too.
westcoastaudiophile Details Discussions Posts This discussion Message User 819 posts 04-10-2026 at 09:16pm Copy Comment URL Report Comment Edit Delete "to hear a speaker w/ multiple small woofers that can match a big box w/ big woofers” - in 40yrs I haven’t seen any small driver systems, to match.. only small drivers sound good are in my headphones .. the best LF drivers I’ve heard were 18” in large cabinets..

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