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Kicker 12L5 blew from a kicker zx750.1

Had the sub hooked up in parallel to 2ohm which the zx amp is 750.1@2ohm. the sub is rated at 600w rms and 1200w max. The sub was turned down half way and all the settings on the stereo was all the way down to break in the sub. two days later it locked completely extended and smoking like a train. what caused this?

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  • Blake Poynor
    Blake Poynor Nov 20, 2013

    From what i've always understood and correct me if i'm wrong but isn't over power better than under power? doesn't underpowering cause clipping? I can wire the L5 in series to 8ohm and then I believe my amp outputs 375, maybe less. Can you elaborate a little more on having a box too small? I didn't know it would screw up an amp. the box it's in is roughly 1.5 cubic ft. and last formula I knew for that is measure HxWxD and divide by 1728. It's been around 14 years since I've been in stereo's so i'm a little rusty.

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MY BEST GUESS FROM WHAT YOU HAVE SAID IS THAT THE BOX WAS TO SMALL. BUT YOU ARE OVERPOWERING THE SUB RUNNING IT AT 2 OHMS ON A 750 WATT AMP WITH A SUB THAT IS ONLY RATED FOR 600. NO MATTER HOW FAR YOU TURN YOUR SETTINGS DOWN, YOUR STILL PUSHING TO MUCH POWER FOR THE SUB TO HANDLE. IT IS ONLY RATED 600 WATTS FOR A REASON. ESPECIALLY IF YOU LISTEN TO MUSIC THAT HAS A REAL LOW END AND THEN A HARD HIT. REMEMBER A HARD HIT WILL SPIKE YOUR AMPS OUTPUT THEREFORE PUSHING MORE WATTAGE TO THE SUB.

Posted on Nov 20, 2013

  • Blake Poynor
    Blake Poynor Nov 20, 2013

    Blake Poynor From what i've always understood and correct me if i'm wrong but isn't over power better than under power? doesn't underpowering cause clipping? I can wire the L5 in series to 8ohm and then I believe my amp outputs 375, maybe less. Can you elaborate a little more on having a box too small? I didn't know it would screw up an amp. the box it's in is roughly 1.5 cubic ft. and last formula I knew for that is measure HxWxD and divide by 1728. It's been around 14 years since I've been in stereo's so i'm a little rusty.

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What about kicker 1000 watts mono car amp class D sub amplifier DX1000.1- (2) ohms and a pioneer champion series pro TSW300D2 12" SUB elements 1-way RMS 1000 WATTS/ DUAL 2 VOICE COILS. how would you connect the speaker + to + or what?

Posted on Nov 27, 2013

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Posted on Jan 02, 2017

Lexdiamonzz
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SOURCE: is it enough

Audiobahn subs are not too powerful and they can not handle too much continuous RMS, be careful they will heat up and tear off the voice coils off ur subs. run about 100 - 150 RMS at 75 HZ to each sub and keep the gains at about 3/4 this way you will avoid blowing out your subs. It also depends on the amp? What kind of amp is it?

 

Let me know if you wish. Otherwise

Posted on Oct 21, 2007

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SOURCE: amp getting really hot

If depends on what the amp is rated to run. If it is only rated to run 2 ohms x2ch then it can only run 4 ohms x1ch. If you run it at 1 or 2 ohms that is too low, too much current, and it will get hot and eventually blow up under hard use. Some quality amps can live that way, and it depends on the sub and what frequency you are running it at. For normal use I would not recommend it. Wire to sub at 4 ohms x1 (or 2 ohms x2ch) for that amp if that is what it is supposed to be at, I'm not sure from your description. Also enhance cooling of the amp if you can, I run fans on mine if they have a heat issue. Warm is one thing, hot is another and not good for amp.

Posted on Apr 22, 2008

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SOURCE: Connecting a subwoofer to a mono amp that has 2 sets of terminals

ok this gets confusing sometimes. Ok first look to see what ohm your subs are. If you have a dual 4 ohm sub When you run that on sub + to + and - to - then that will make that sub 2 ohm. its different on ohm if the sub is say a 8 ohm then putting the wires that way will bring that sub to 4 ohm. Now lets say you have 2 subs that are dual 4 ohm and wire both of them + to + and - to - and go bridge the amp which would be both wires from sub both + together and both - wired bridge on the amp will make it a 1 ohm to the amp. Please post what ohm your subs are and i can tell you alittle more about it

Posted on Oct 23, 2008

blueextc3221
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SOURCE: adjusting wattage on kenwood kac 9103 class D mono amp

That amplifier is 900W x 1 @ 2ohms.
If your subs are 4ohm SVC wired Parallel, resulting in a 2 ohm load, each sub will only see 1/2 of the rated power. (450W ea.)
Your gain (sensitivity) setting should be between 75% and 85% to max. You will be fine.

Posted on Jan 03, 2009

etirbynnor
  • 655 Answers

SOURCE: got a 12"kicker L74ohm sub and sony xm-D9001GTR mono amp

Hello juan_penaloz,

The Kicker L7 has an RMS power range of from 50-750 watts and a maximum power handling capability of 1,500 watts so your Sony amp will power it OK. A more powerful monoblock like the Alpine MRP-M1000 or the Kicker 08ZX750.1 would provide even more power and could operate safely at 2ohms.

You have the voice coils wired properly for the Sony amp. It's OK to have the sub impedance higher, but you definitely do not want it lower than the 4ohms the amp is rated at in bridged mode.

Hope this helps.

Posted on May 26, 2009

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1 Answer

I need to know how to hook up an alpine v12 amp 2 ohm i have two tens


Hi there,

This really depends if your 10" subs are 4 ohms each or 2 ohm - for this exercise, I'm presuming they are 4 ohm each.

You already know your amp can deliver 600W RMS (@ 2ohm), so you need to be careful you do not exceed the maximum RMS input power of your subs.

Normally you would wire subs in "parallel", which would reduce the circuit load to 2ohms - however, the 600W RMS power may be too high for your subs to handle.

In this case, it may be safer to wire your subs in "series" - this will increase the circuit load to 8ohms, which will effectively decrease the amps RMS power output.


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I'd need to know more about the amp, but don't forget, amps are rated as their max power...
So lets take a 300W/channel stereo amp at 8 ohms.
Ok, it's stereo, so there's 600W
But the amp is capable of 4 ohm loads...well, now you can deliver 600W/channel, for a total of 1200W
In this scenario, your amp is doing exactly what it was designed to do with those speakers.
If you wanted to get the full 1200W out of the amp, you'd have to hook up 2 more speakers in parallel to the ones already there. This drops the impedance to 4 ohms per channel = 600W / channel.
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