12 v.s. 15

[JarvisB 10+ year member]

I might get a Fi Q or BL once i get my paycheck..

but i m unsure which one i should get 12 inch or 15 inch.. i mean whats the difference i will see between those two subs?

i m going for SPL.. I plan on powering it with a JBL 1201.1 amp.. it is 2 ohm stable so i ll get a dual 1 ohm sub..

so any opinions which one i should get BL or Q and 12 or 15? but i ve seen that 15 gives out better SPL than 12.. correct me if i m wrong..

thanks

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[skadude016 5,000+ posts]

15 has more cone area = usually louder. go for that one