Question about Jl Audio 500/1 Car Audio Amplifier

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Clarification for jl amp problem

Nah thats not it. and nothing has changed. I had a kenwood amp with the two kicker subs for almost three years and it blew out. i got the jl and it worked for 4 weeks. The subs are 8 ohm and were connected in series. does that have anything to do with it? do you know if there is a fuse inside the jl amp that i might have blown for having too much resistance.

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  • Inno Laur May 11, 2010

    Too much resistance wouldn't be an issue, the higher the resistance the less demand on the amp.
    I'd wire the subs in parallel for starters, that'll get you a 4 ohm load (assuming you have two subs at 8 ohms each) which the amp will have no problem with and you'll get lots of power. The 500/1 is a very robust amp........I connected a load to one years ago that I had miswired and it was somewhere around half an ohm and although it had virtually no control over the woofers, it just kept on working! Quite a good amp!
    Do you have a multimeter? Disconnect the subs from the amp and meter the leads from the subs to make absolutely sure you have a load that's more than 2 ohms.


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Sounds very much like resistance was an issue and no they dont have an internal fuse sorry

Posted on Jan 30, 2009

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I have 2 JL Audio 8W0's rated at 75 RMS. I had a MTX 280 Amp pushing them but need to replace it, what brand and size amp do you recommend for these speakers.


  • This Kicker Amp will compliment them JL Audios like nothing else. KICKER ZX Series ZX350.4 4 channels all rated @ 75 watts RMS. If it was me that would be my choice for a replacement amp.

http://www.amazon.com/KICKER-ZX-ZX350-4-Amplifier-4-channel/dp/B000ENSSPM
Regards, Tony

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Bass cut off when volume is too high


When an amplifier shuts the Bass off that means its going into protection mode otherwise it will burn out the outputs. One way is to turn your gains down, Pioneer amps are not the best amps for bass out there, they are more for car speakers, I personally wont use a pioneer amp to run my subwoofers especially if they are hard driven subs like JL , Kicker Solo's and MTX subs. But for now just turn the gains down to 3/4 and that should help u, you can also install a fan to keep your amp cooler, if this never happened before in 5 yrs and now it does then that means your amp is just tired and the inside components are overheating easily, thats common with Pioneer and Sony amps.

Good luck buddy.

Lex...

Jun 12, 2010 | Pioneer Car Amplifier GM-5100T - 2CH 760...

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It just stopped working after about 4 years. the amp went in and out a couple of times then it just stopped working.


ok what type of amp are we talking about, what impedence and voice coils are your subs, and have you checked power, ground, fuses, etc... a quality amplifier kicker, jl, mtx, rockford... etc... should, if set up and wired properly, last you a very long time... I actually had a kicker amp since 96 and it still worked great to the day i gave it to my buddy... That's 11 years old with no issues...

Dec 12, 2009 | Jl Audio 300/4 Car Audio Amplifier

1 Answer

Got jl300/2 amp confused which subwoofer sounds good


Hello drsubhakar26,

JL W6's will perform well with from 150-600 watts RMS. W7's with from 150-500 watts. Less expensive Alpine Type R's work OK with from 200-500 watts RMS. Either of the brands will sound good. None of them will perform to their full potential with 300 watts RMS. Powering any sub with a 2-channel amp is a compromise. A monoblock is more efficient.

Hope this helps.

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Kac-8152d powers on, but no power output to subs


Well, the sad thing is, it can be a number of things. You will have to do a process of elimination. Try replacing the amp first, borrow one off a friend. Second try replacing the subs. If those don't work, read the manual to your deck. Find the audio settings, and check to see if the sub section is "on".

Jan 29, 2009 | Kenwood KAC-8152D Car Audio Amplifier

1 Answer

Subs dont beat like they should


you've spent alot of money on **** by the sounds of it!!. you should only ever run multiple subs the same brand, power and resistance you can just connect any old subs to a system you need to wire them depending on the load that the amp needs to see. first thing is to try the amp/s on a individual sub to check your amps still work once done check the subs 1 by 1.

Jan 20, 2009 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Added another amp to system now subs dont hit as hard


This sounds odd, but try putting your subs out of phase from the mains. Just see if it changes anything.

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2 Answers

System not playing


Sounds like the output transistors on the amp are blown. Were you slammin when it stopped or how did you find out it stopped working. It could be the sub failed then caused the ap to go which is why you get a little something from the JL.

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1 Answer

500/1 v2 and one kicker VS12L7


It will work fine. This amp is stable to 1.5 Ohms, but is designed to put out about the same amount of power at 2 or 4 Ohms (unique).

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1 Answer

Tryin to hook up 3 10


The Class D amps from JL are good down to 1.5ohm. The class A/B amps are good down to 2ohm.
I take it you have (3) 4 ohm subs? Wired in parallel?
Consider looking for an amp that is 1 ohm stable for this load such as audiobahn, or kicker.

Dec 11, 2007 | Car Amplifiers

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