Question about Jl Audio 12W7 Car Subwoofer

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What amp should i use to push three of these 12w7's

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This may too much for a car but if you can have a poweramp to deliver about 250 RMS into 2 ohms it will be good enough.

Posted on Sep 28, 2010

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Hi i just got 2 new infinity 860w reference 8'' subs 250 rms each and pushing it with sony 600watt amp pushing it but very low sound and no bass why the othier speakers i have in 10'' hit the bass fine but...


The amp may no thav eenough to push these subs, these are top of the line subs, they probably require a bigger amp, if you are running other speakers through this also, you certainly need another amp, or a bigger one with more channels. also double check all your wiring.

Mar 29, 2011 | Jl Audio 12W7 Car Subwoofer

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Having two subwoofer 12w7 and running each of them with mtx1501d amp so i want know what size of box do i need for them and in which shape L box or sealed one.


id run a ported box they sound alot better and id go with a 3.5 -4 cubic foot box ported should slam loud i have one 12w7 and i flex my winshield in a ported box 2 cubic feet powerd by a jl 1000/1

Jul 28, 2010 | Jl Audio 12W7 Car Subwoofer

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The power light comes on then it give out


jl audio 12w7 with jl audio 1000.1
get a high volt capacitor 8 or more fared a breaker fuse 100amp .Best bet is to have an another battery hook up in back of truck for this kinda set up cause this amp really pulls alot of juice

May 20, 2010 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

I have a 12w7 sub with a 1000/1 amp and speaker is popping when u turn it up


Anytime you get a popping noise from your speakers, it usually has to do with a ground problem. Try tracing all your grounds to make sure your well connected, especially with this sub and amp combo. If the connections are secure, you might try running the ground(s) somewhere else, the frame of the vehicle being the best of course. Hope this helps and good luck!

Mar 22, 2010 | Jl Audio 12W7 Car Subwoofer

1 Answer

What to do


well i don't know your budget, but if that's not really and issue, right now at best buy, alpine type E, 10" subs, peak is 750w and rms is 250w, each is 129.99. Alpine type R, 10" subs, peak is 1500w and rms is 500w, each is 199.99. These are the best subs i found at best buy. You could sell your current subwoofers and purchase those, and you'd save space and still get the lows you want. Goodluck

Jun 27, 2009 | Jl Audio 12W7 Car Subwoofer

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I have a jl audio 12w7 with a 750/1 hd amp and i want more bass is there anything else i could do to get more out of my sub. i was told to add a battery and another amp to my deck speakers will that help...


My full time job is designing and building sub enclosures. So you are in luck.
Anyway you don't want deck speakers and amp for more bass and adding a battery doesn't help unless you already have power problems. Adding an amp and a sub would help but can be expensive. My main recommendation would be to change the box your sub is in, designing it for your vehicle. If you are in need of bass that is crazy loud, then you would be adding subs and amps. Your amp can drive a bunch of subs if you want and it would probably be more economical to just add a sub or three. Shoot me an Email @ dynami28@charter.net if you need specifications on adding such improvements.
-Dynami

Apr 01, 2009 | Jl Audio 12W7 Car Subwoofer

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