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Joined: Nov 2003
Posts: 239
kimchiman201
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kimchiman201 Dec 21, 1:51am - #71382 
2002 Silver Toyota Celica
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2002 Toyota Celica

Joined: Nov 2003
Posts: 239
MI, U.S.A.
JL Audio

well...jus got my 2 jl 12w7s and im not sure wat amp to buy...i really would prefer getting it from jl...i did some research but im still confused...so the real question is should i get 2 1000/1 amps or jus 1 to power 2 12w7s?????
Joined: Sep 2003
Posts: 286
Psquared
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Psquared Dec 21, 4:10am - #71383 
2001 Black Toyota Celica GT
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2001 Toyota Celica GT

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Posts: 286
Houston, TX.
well, here's my 2 cents. The 12w7 rms power is 750, 1000 peak. The 1000/1 is a little on the expensive side especially if you are gonna buy 2 of them. 1 1000/1 isn't gonna be enough when we are talking just about power. what kinda music do you listen to will determine what amp you should get. I know you want JL, but I think a decent alternative would be the Rockford Fosgate 1501 bd. Its 1500 watts, so youll be running the w7's at their RMS perfectly, but if you like it on the loud side, 2 1000/1's will certaintly do the trick.
Joined: Aug 2003
Posts: 2,926
celicaTRDgts
Specialist
celicaTRDgts Dec 21, 4:53am - #71384 

Specialist
02 Toyota Celica

Joined: Aug 2003
Posts: 2,926
Arizona
u need two amps bro...2 1000/1 amps would do the trick...with this subs produing as much watts as they do one amp will not do it ...one amp wont handle the power and wont put out as good...iv talked to stero guys they say that if you dont have a good amp and enough power in the amp to run the subs theres no point in getting a system at all

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kimchiman201
Member
kimchiman201 Dec 21, 1:52pm - #71385 
2002 Silver Toyota Celica
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2002 Toyota Celica

Joined: Nov 2003
Posts: 239
MI, U.S.A.
thanks thumbsup
Joined: Apr 2003
Posts: 184
codealiasJD
Member
codealiasJD Dec 22, 2:57pm - #71386 
2002 Spectra Mica Blue Toyota 5 SpeedCelica
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2002 Toyota 5 SpeedCelica

Joined: Apr 2003
Posts: 184
BC, Canada
are you sure you have W7's? If so it should be a 13" sub. sorry just being picky...
Joined: Jul 2003
Posts: 2,043
trog2233
ECelica Staff
trog2233 Dec 22, 3:00pm - #71387 

ECelica Staff
2004 GMC Canyon Z-71

Joined: Jul 2003
Posts: 2,043
Williamsport, PA
Originally Posted by codealiasJD
are you sure you have W7's? If so it should be a 13" sub. sorry just being picky...


they have them in the same class as the 12" but yes its a 13"
Joined: Sep 2003
Posts: 38
JLATD
Member
JLATD Dec 22, 4:19pm - #71388 
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Joined: Sep 2003
Posts: 38
Miramar, FL
Originally Posted by kimchiman201
well...jus got my 2 jl 12w7s and im not sure wat amp to buy...i really would prefer getting it from jl...i did some research but im still confused...so the real question is should i get 2 1000/1 amps or jus 1 to power 2 12w7s?????


All energy for you audio system ultimately comes from the alternator. An extra battery only extends your reserve time and helps out when listening to the system with the engine off.
Ohm's Law can help us determine how much current we will need.
Current (Amps) = Power (Watts) / Voltage.
As a side note, if you plan to use Rockford amps, they use a 14.4V input rating (as do many manufacturers). To determine power at 12.5V (what car's electrical systems are), multiply the power by .75. (1000 Watts @ 14.4V = 750 Watts @ 12.5V).
Total up all the power and divide by 12.5. (750 Watts / 12.5V = 60 Amps).
It takes 40 - 60 amps to operate a vehicle so add this to the above number. In this case, for the amp to actually produce 750 Watts, our alternator will need to be in the 100 - 120 amp range.
Amplifiers cannot produce more average energy than the electrical system can produce.
The 1000/1 would do a fine job with two 12W7's if your charging system can handle the 80 amps of current required. The 500/1 is a very popular amplifier because most stock charging systems can produce the current needed.

The opinions expressed by JLATD in this forum are his and do not reflect those of ownership of JL Audio, Inc.
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JLATD
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JLATD Dec 22, 4:27pm - #71389 
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Posts: 38
Miramar, FL
Originally Posted by Psquared

well, here's my 2 cents. The 12w7 rms power is 750, 1000 peak. The 1000/1 is a little on the expensive side especially if you are gonna buy 2 of them. 1 1000/1 isn't gonna be enough when we are talking just about power. what kinda music do you listen to will determine what amp you should get. I know you want JL, but I think a decent alternative would be the Rockford Fosgate 1501 bd. Its 1500 watts, so youll be running the w7's at their RMS perfectly, but if you like it on the loud side, 2 1000/1's will certaintly do the trick.

JL Audio doesn't spec a "peak" power handling. If there was, the peak spec would be 1500 "peak" amplifier Watts.
As posted earlier many manufacturers rate power @ 14.4 Volts. Multiply this number by .75 to get a true 12.5 Volt spec. (1500 * .75 = 1125 Watts).
Because the 1000/1 is regulated, it will still be a 1000 Wat amp even when the input voltage drops.

The opinions expressed by JLATD in this forum are his and do not reflect those of ownership of JL Audio, Inc.
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JLATD
Member
JLATD Dec 22, 4:32pm - #71390 
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Joined: Sep 2003
Posts: 38
Miramar, FL
Feel free to PM me with any questions you may have about JL Audio products.

The opinions expressed by JLATD in this forum are his and do not reflect those of ownership of JL Audio, Inc.
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