try not to waste your time/money getting 2nd hand sub's
of course they're thrashed!!!!
who would buy a sub and not thrash it???
oooh, here's my sub's i have them there for looks, i never turn them up.
also when you buy a sub, you're supposed to run it in for about 20 hours at half volume, the only way you can guarantee that you have this..... is to to it yourself. And you can't do this if it's 2nd hand