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<blockquote data-quote="spencer321" data-source="post: 6165446" data-attributes="member: 599233">so did you dipshit as the surface area of a speaker, also known as effective piston area or surface displacement is not calculated with the size of the speaker... so before you ridicule someone else KEEP READINGas for the gentleman that said larger subwoofers play deeper better... your also wrong, its a common mistake so i won&#039;t ridicule you but 10&#039;s will play just as deep as 18&#039;s in the proper enclosure and power.a &quot;general&quot; on effective piston area would be 310cm^2 for 10&#039;s 480cm^2 for 12&#039;s and 810cm^2 for 15s&nbsp;&nbsp; 15&#039;s vary from 1050cm^2 to 1200cm^2... all these are averages as every speaker is differentso 2-15&#039;s are about the same as 5-10&#039;s, 1-18 is closer to 4-10&#039;sthere are many many factors that contribute to that last bit of difference when cone area, wattage, and vehicle are all the same, one thing to look at is efficiency, in this situation the setup that is more efficient will obviously play louder. normally its cheaper to go for cone area at the expense of SQ, example, it would be cheaper to pick up 4 cheap 10&#039;s than 1 decent 18. hope that helps</blockquote>

[QUOTE="spencer321, post: 6165446, member: 599233"] so did you dipshit as the surface area of a speaker, also known as effective piston area or surface displacement is not calculated with the size of the speaker... so before you ridicule someone else KEEP READING as for the gentleman that said larger subwoofers play deeper better... your also wrong, its a common mistake so i won't ridicule you but 10's will play just as deep as 18's in the proper enclosure and power. a "general" on effective piston area would be 310cm^2 for 10's 480cm^2 for 12's and 810cm^2 for 15s 15's vary from 1050cm^2 to 1200cm^2... all these are averages as every speaker is different so 2-15's are about the same as 5-10's, 1-18 is closer to 4-10's there are many many factors that contribute to that last bit of difference when cone area, wattage, and vehicle are all the same, one thing to look at is efficiency, in this situation the setup that is more efficient will obviously play louder. normally its cheaper to go for cone area at the expense of SQ, example, it would be cheaper to pick up 4 cheap 10's than 1 decent 18. hope that helps [/QUOTE]

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