My JL Audio w7's and Amp

[eckoplayr]

So I have 2 10 inch JL audio w7's .. they use to be in a messed up vented box which was way to small for them in my Lincoln mark VIII running them with a crossfire 1000d.. well that amp got messed up so I got a brand new crossfire 1000d sittin in the box.. I need to know what the perfect amp for these subs would be.. I custom made 2 seperate sealed boxes to spec for my subs and am fiberglassing them in a mold in my trunk to look like a one big box.. I think the 1000d is way underpowering them.. and would anyone be interested in buying the amp?? like i said brand new in box!!

[Pte Socks]

Thats correct in your assumption that you will be underpowering them. Though im not sure on the eact output of the crossfire 1000d, im guessing around 900-1000w RMS if its a good amp. Now those sub can handle about 1000W RMS apiece if you were to push them. The recommended ratin is around 750W each I think. In all reality though, running 1000W rms to them both isnt bad, you just wont get the full output out of them. I myself am only running about 500W rms to each sub and the recommended rating for them is 300 each. Like I said, you wont blow your subs, you just wont be able to use their full potential.

[matts]

why is it severely underpowering them? wire it down to 1 ohm and it should be putting out 1100-1200 watts at around 14volts. lets say the rms for each sub is 750. 750+750=1500. 1500-1150 (rough guess of what the amp is capable of)=350. 350/2=175. you're only missing each speakers rms rating by 175 watts.

if the subs were rated at 300 and you were missing it by 175........you might have a problem. but when you're talking 750 watts and you're giving the sub 575 watts. i think you'll be ok and will get some good sound.

now if you were in the market to BUY a new amp.....i'd say go ahead and get a hoss mama pushing 2000 watts rms. but since you've got an amp that is perfectly capable of pushing the subs just laying there in the box......why not use it? that's a good amp. that's what i've got pushing emily's 18" in her car. but the key to the amp is you've got to wire it down to 1 ohm to get those numbers out of it. at 1 ohm you're getting above 1000, at 2 you're getting a little above 500, and at 4 you're getting about 250.

[car audio dave]

i recomend the JL 1000/1 for the two. it will be underpowering them, as earlier stated...but with such a clean amp, and the regulated power supply, youre in better shape. im not a huge crossfire fan tho. if youve got teh $ then get a pair of 1000/1 amps....and youll really rock.

[robry]

I'd buy the crossfire 1000D off you if you go with a different amp :)

[eckoplayr]

How much for the amp bud?? I will be selling it ..give me a price ud be willing to pay shipped?? like i said brand new with warranty

[matts]

$50

i wasn't too sure of crossfire till i got a great deal on the current amp, tried it and for the money i couldn't be more satisfied with it. i just figured why spend extra money when you dont have to. :)

[Pte Socks]

I had no idea on the specs of the amp there matt. I had no idea it was a 1 ohm stable amp. Guess thats my bad. I also assumed that he amp was pushing 1000W and if each sub was recommended at 750W, thats 250W apiece that is missing, which is a 1/3 of its power. Now that would mean a big drop in power. Thats my .02.

[matts]

it's cool.......a person can't know everything about everything :)

[Pte Socks]

Heheh oh sure they can, but then what life would a person have? Hehehe my g/f already says I spend too much time reading and posting on this site. I guess being in the top 15 for the past 8 months was the point she was bringing across ;)

[matts]

yeah, women complain. my fiance doesn't even understand the point of this site. but im here anyway :P

[robry]

Originally posted by eckoplayr
How much for the amp bud?? I will be selling it ..give me a price ud be willing to pay shipped?? like i said brand new with warranty

150$ ?? Let me know if thats too low?

[tommymcc]

i like my crossfire 1000d, i have it pushing two rf power T1 12's and it smoked a pair of W7 12'a and the 1000/1, i highly suggest you go with two 1000/1 or a crossfire 2000d

[eckoplayr]

The retail of the amp when i bought it was $700.. I think its around $550 or somewhere around there now.. So i wont be able to let it go for that cheap .. sorry

[b3n]

Originally posted by eckoplayr
So I have 2 10 inch JL audio w7's .. they use to be in a messed up vented box which was way to small for them in my Lincoln mark VIII running them with a crossfire 1000d.. well that amp got messed up so I got a brand new crossfire 1000d sittin in the box.. I need to know what the perfect amp for these subs would be.. I custom made 2 seperate sealed boxes to spec for my subs and am fiberglassing them in a mold in my trunk to look like a one big box.. I think the 1000d is way underpowering them.. and would anyone be interested in buying the amp?? like i said brand new in box!!

The perfect amp for a W7?...A JL 500/1 of course. Those 2 together are monsters; i've heard them first hand and i've never heard anything louder (from a single 13" woofer) or cleaner.

[tommymcc]

you didn't read anything we said did you?

w7's rms at 1000w, therefore a 500/1 will underpower them

w7 8" needs a 250/1, 10" 500/1, 12" and 13.5" need 1000/1

[b3n]

My bad, that was a 10W7 I was referring to, not a 13W7. Thanks for bringing that to my attention.

[car audio dave]

Originally posted by b3n
My bad, that was a 10W7 I was referring to, not a 13W7. Thanks for bringing that to my attention.

so then why were you comparing it to 13" subs??? im just messin wit ya.

the original post was about 2 subwoofers, so we have been replying with solutions for the pair. a 500/1 for each is a good solution, but a 1000/1 would probably be easier to negotiate on.