Question about underpowering subs

[Cshread 10+ year member]

Ive got two JL 12W3's and one of the voice coils blew after a year of use, so my first question is what would cause that after its been working for awhile with no problems? The other question is im a little tight on cash, so i wanted to just get my new subs, which will be 12W6v2's, and just power them with my old amp until i get enough cash, the old amp is a Directed 600D. Would this be ok?? I also wanted to make sure that the voice coil didnt blow cause of faulty amp or setup because i would hate to install my new subs and have one go.

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[Toone 10+ year member]

Turn your gains down! Bass boost off! Dont play too low below Tuning!

 

[Pioneer~Saturn 5,000+ posts]

It'll be fine as long as you keep the bass boost down and gain not cranked..

 

[Cshread 10+ year member]

Ok so keep the gain down, and how do i know what to set the Frequency too, do i want Bass EQ on or off, and subsonic on or off? Oh and lastly what about the phase switch?

 

[FordaTaurusRex 10+ year member]

set the subsonic filter to the lowest frequency the subs will play. And if you haven't purchased your new subs yet and wanna maybe save a little money you could go for Fi Q subs. They're about 100 bucks less each and handle about double the power. Just a thought.

Set the Subsonic to about 25hz and turn off the bass EQ.