Amp recomendations - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 14 Old 04-05-2011, 09:08 AM Thread Starter
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Question Amp recomendations

Using the factory sub box, with a 8" JL audio sub, and some bull S amp from walmart. I can tell the sub is capable of the sounds i want, but i think this AMP needs to go. anyone have any good advice? im placing the amp underneath the passenger seat because i dont ever get that wet..

Im planning on stuffing the box with poly fill, because i want to keep it, i like the space and i dont wanna spend tons on a steathpod
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post #2 of 14 Old 04-05-2011, 04:38 PM
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Alpine PDX-5 Marine version.

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OKAY FUCKMOUTH.
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post #3 of 14 Old 04-05-2011, 05:47 PM
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4 channel (I have this one mounted in glove box)
http://www.kenwoodusa.com/Car_Entert...plifiers/XR-4S

Sub Amp
http://www.kenwoodusa.com/Car_Entert...plifiers/XR-1S

5 channel
http://www.kenwoodusa.com/Car_Entert...plifiers/XR-5S

°lllll°


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post #4 of 14 Old 04-05-2011, 09:38 PM
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Don't know much about these specifically but i have always had good luck with Rockford amps. It is a small amp 6x4x1. Easy to put in a lot of spaces.

PBR300x1

A 300x4 is coming soon to.
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post #5 of 14 Old 04-06-2011, 05:27 AM Thread Starter
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if im running a JL Audio 8W1v2-4 8" Single 4-Ohms W3 Series Subwoofer and i typically listen to rock music which one would you recomend? i dont really know S about car audio except for how to wire it
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post #6 of 14 Old 04-06-2011, 05:56 AM
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Quote:
Originally Posted by erikprime View Post
if im running a JL Audio 8W1v2-4 8" Single 4-Ohms W3 Series Subwoofer and i typically listen to rock music which one would you recomend? i dont really know S about car audio except for how to wire it
So is it a W1 or W3 series? W1 rated at 150W vs 250W for the W3.

Just make sure that your expectations aren't too high for a single 8" sub. If you aren't going to amp any other speakers in the jeep any of the following mono sub amps would work...most should fit under the seat ok.

http://www.woofersetc.com/p-6249-mrp...amplifier.aspx

http://www.woofersetc.com/p-7247-ks-...amplifier.aspx

http://www.woofersetc.com/p-5671-130...amplifier.aspx

http://www.woofersetc.com/p-234-gto3...amplifier.aspx

http://www.woofersetc.com/p-7213-g13...amplifier.aspx

http://www.woofersetc.com/p-8513-10z...amplifier.aspx

You get the picture..

I think this thing is finally coming together. Still Needed: drive shafts, frame mount rails...then done son! For a while...
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post #7 of 14 Old 04-06-2011, 06:59 AM
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I'm running a 500 watt alpine, but I am pushing a 12" sub

18 BRAVO
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post #8 of 14 Old 04-06-2011, 12:26 PM Thread Starter
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Quote:
Originally Posted by Jaybee1669 View Post
So is it a W1 or W3 series? W1 rated at 150W vs 250W for the W3.

Just make sure that your expectations aren't too high for a single 8" sub. If you aren't going to amp any other speakers in the jeep any of the following mono sub amps would work...most should fit under the seat ok.

http://www.woofersetc.com/p-6249-mrp...amplifier.aspx

http://www.woofersetc.com/p-7247-ks-...amplifier.aspx

http://www.woofersetc.com/p-5671-130...amplifier.aspx

http://www.woofersetc.com/p-234-gto3...amplifier.aspx

http://www.woofersetc.com/p-7213-g13...amplifier.aspx

http://www.woofersetc.com/p-8513-10z...amplifier.aspx

You get the picture..
YEaaa.....its a W1...that explains a lot. right now its hooked up to a BS 400W DUAL amp, and sounds pretty awful
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post #9 of 14 Old 04-06-2011, 03:17 PM
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explain "awful"

even a cheap Jensen amp from walmart can sound decent. Are you getting distortion? Static? are you running a low pass crossover or does the amp have one? What do you have your gain set at? Are you running the channels bridged? Stock head unit or aftermarket (how is it hooked up to the amp)?

If it's distortion or static, it could be wiring issues. Could be the RCAs are running too close to the main power source and are poorly shielded. Or poor ground. If you are not running any sort of low pass filter, you will get a lot of distortion because the sub is designed for lows and you're send full sound. Sometimes people turn the gain way up on the amp to get more power, but the higher the gain, the more distorted the sound. If you bridged the channels, you could have easily overpowered the sub with a 400W amp. When you bridge the channels it effectively doubles the power output of the amp and per above your speaker is only rated at 150W.

Another thought, are you using a line out converter? Are you using the stock head unit and using a speaker level output converter to an RCA ? This usually has a gain setting also and they are notorious for distortion if not set up right.

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Last edited by jkx0778; 04-06-2011 at 03:21 PM.
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post #10 of 14 Old 04-06-2011, 03:19 PM
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This is the Amp

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Originally Posted by nlgrav182 View Post
Alpine PDX-5 Marine version.

This is the amp i use !!! Just went from one 8" to a new 10" sounds great !!


The Project is moving forward.
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post #11 of 14 Old 04-06-2011, 03:45 PM
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Dude get a JL XD series amp they are small cheapish and nice
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post #12 of 14 Old 04-06-2011, 07:40 PM Thread Starter
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Quote:
Originally Posted by jkx0778 View Post
explain "awful"

even a cheap Jensen amp from walmart can sound decent. Are you getting distortion? Static? are you running a low pass crossover or does the amp have one? What do you have your gain set at? Are you running the channels bridged? Stock head unit or aftermarket (how is it hooked up to the amp)?

If it's distortion or static, it could be wiring issues. Could be the RCAs are running too close to the main power source and are poorly shielded. Or poor ground. If you are not running any sort of low pass filter, you will get a lot of distortion because the sub is designed for lows and you're send full sound. Sometimes people turn the gain way up on the amp to get more power, but the higher the gain, the more distorted the sound. If you bridged the channels, you could have easily overpowered the sub with a 400W amp. When you bridge the channels it effectively doubles the power output of the amp and per above your speaker is only rated at 150W.

Another thought, are you using a line out converter? Are you using the stock head unit and using a speaker level output converter to an RCA ? This usually has a gain setting also and they are notorious for distortion if not set up right.
Stock head unit, Line out converter yes, bridged yes, and it DOES have have a low pass filter. i will turn the gain down a bit because its cranked up pretty high.. i also stuffed the box with polyfill. when im listening to music, all i really hear is the bass guitar instead of the bass drum. im sure an aftermarket head unit wouldnt hurt.... with certain songs it almost sounds like its underwater

Last edited by erikprime; 04-06-2011 at 07:47 PM.
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post #13 of 14 Old 04-06-2011, 07:42 PM
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sorry to thread jack, but Im looking at doing the same sub set up but I dont want the amp under the seat, id like to put an amp in the location below the steering wheel. What cheaper amp would work good there for the 8" W1?

-Alex
2010 2dr Sport | 2.5" BB Lift with 4dr Springs | More to come
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post #14 of 14 Old 04-07-2011, 09:10 AM Thread Starter
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Quote:
Originally Posted by erikprime View Post
Stock head unit, Line out converter yes, bridged yes, and it DOES have have a low pass filter. i will turn the gain down a bit because its cranked up pretty high.. i also stuffed the box with polyfill. when im listening to music, all i really hear is the bass guitar instead of the bass drum. im sure an aftermarket head unit wouldnt hurt.... with certain songs it almost sounds like its underwater
AND there is a low pass filter switch on the Amp***
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