Need help with Amp

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Old 06-12-2001, 03:30 PM
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Need help with Amp

I have a orion xtr 400 watt amp running my 12, and I think it is overheating cause it is hot out anyway, and after 30 mins of hard use it cuts out. What can I do?

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Old 06-12-2001, 03:56 PM
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That is very strange that it cuts out. I have the same amp running my 12's. Are you using it at less than four ohms mono? Even if you are I would imagine it could handle that. What kind of 12 is it? I don't think it would be able to push a HCCA or a stroker or anything of that nature.

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Old 06-12-2001, 05:00 PM
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<font face="Verdana, Arial" size="2">Originally posted by Woodsdaddy:
That is very strange that it cuts out. I have the same amp running my 12's. Are you using it at less than four ohms mono? Even if you are I would imagine it could handle that. What kind of 12 is it? I don't think it would be able to push a HCCA or a stroker or anything of that nature.

</font>
It is a solo-baric. I have had the same amp on that sub for like 3 years, and the problem comes and goes. I think it may just be the heat.



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Old 06-12-2001, 08:51 PM
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I think it's the heat too. Every amp that I've owned that's over a couple of years old begins to choke in this Texas heat. I'd try installing a fan on it.

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Old 06-12-2001, 09:20 PM
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I'm glad it isn't that hot here, good luck!

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Old 06-13-2001, 11:07 AM
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<font face="Verdana, Arial" size="2">Originally posted by Driven:
I think it's the heat too. Every amp that I've owned that's over a couple of years old begins to choke in this Texas heat. I'd try installing a fan on it.

</font>
Do you know what those run?



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Old 06-13-2001, 12:18 PM
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I think you can get a fan from radio shack (like for computers) and those are pretty cheap. Of course, you'll need a relay to make it turn on and off. The expense is more in making a custom mount for it.

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Old 06-13-2001, 01:19 PM
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How would you hook up a cooling fan from radio shack? I was wonder about that. Where do you get the power and make it come on when the amp turns on???

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Old 06-13-2001, 01:45 PM
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Connect it to the same block that the amp is getting its power. Look at computer stores. Those fans should work.

Spiro

<font face="Verdana, Arial" size="2">Originally posted by NOLACLS:
How would you hook up a cooling fan from radio shack? I was wonder about that. Where do you get the power and make it come on when the amp turns on???

</font>


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Old 06-14-2001, 01:26 AM
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Apparently there's a relay that you connect to the fan and amplifier. This connects the fan to the remote turn-on at the amp and the 12V+ power. The fan only comes on when you turn on the radio. I got this info from my co-worker who competes in those IASCA competitions.

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Old 06-14-2001, 01:47 AM
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<font face="Verdana, Arial" size="2">Originally posted by Driven:
Apparently there's a relay that you connect to the fan and amplifier. This connects the fan to the remote turn-on at the amp and the 12V+ power. The fan only comes on when you turn on the radio. I got this info from my co-worker who competes in those IASCA competitions.

</font>
That's correct. You can get a relay (fog light relay) from Autozone or any auto part store. You can get a fan from radio shack or rip it out of your blown power supply from the PC or a case fan. I install a fan on my old system and it worked great. However, there is one thing you need to worry about. Noise. Noise could be created by the fan motor.


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Old 06-14-2001, 02:23 AM
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Noise? No, not noise!!

After my recent install, if I have to deal with anything that causes noise again I'm going to take a hammer and smash it.

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Old 06-14-2001, 07:53 AM
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with my previous experience with fans, I would have to say that the computer type fan s WILL givce you some noise. Especially if you hook it up to the same power source of your amp!!


Another thing to check is the power wire gauge, sometimes a thicker wire (hence more curent flow) will keep the amp happier during hard playback. Another thing to consider is a stiffening cap, they work and are worth the money, onlyh 1 farad caps are worth it. I used to run 2 225-HCCA's at one ohm mono....the wire upgrade did marvels (gave me 2db's). hope this helps


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Old 06-14-2001, 05:21 PM
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At this point I think I will just buy a new amp and not worry about it. Too much trouble for an old amp. Thanks for all the help!!!

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Looks like I am going to have to carjack my CL-S
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