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<blockquote data-quote="Puff the dragon" data-source="post: 5208" data-attributes="member: 540750"><p>First off I would like to thank you for taking a minute to read my serious inquirey.&nbsp; Please do not blow me off.&nbsp; You know how frustrating it can be to try to get help with a problem.&nbsp; I have built what I feel to be a competition system consisting of 6-MTX 8000 series 12&quot; subs, 3-8100D 1500 watt amps, Focal highs and mids powered by a MTX-4244 400 watt amp, and a Pioneer 9300 deck with a 12 disk changer.&nbsp; I originaly had only the two class D amps and my system sounded good, then I decided to run a third and all I get is blaa muddy bass when I crank it up.&nbsp; I can see that the subs are reaching full excrusion at the very low bass hits but they are barely recieving RMS power.&nbsp; I can only describe the soung quality as a $200 system cranked up all the way.&nbsp; What negative effect would the third amp have?&nbsp; It is actualy softer now!&nbsp; I have 1 gauge whire ran and 2 extra batteries so I don&#039;t think it is the power supply.&nbsp; But if I turn the gain down then there is no bass at all, but if I even turn it up a little bit it goes all crazy on me.&nbsp; I have heard systems with very similar set ups and I am extremely disapointed in mine.&nbsp; The pros who installed mine are very reputatable around my area and they couldnt seem to be any help.&nbsp; I thought my built in EQ might need adjusted but my deck comes with a microphone that automaticaly adjusts it during a test you can run.&nbsp;&nbsp; If you need any additional info let me know.</p></blockquote><p></p>

[QUOTE="Puff the dragon, post: 5208, member: 540750"] First off I would like to thank you for taking a minute to read my serious inquirey. Please do not blow me off. You know how frustrating it can be to try to get help with a problem. I have built what I feel to be a competition system consisting of 6-MTX 8000 series 12" subs, 3-8100D 1500 watt amps, Focal highs and mids powered by a MTX-4244 400 watt amp, and a Pioneer 9300 deck with a 12 disk changer. I originaly had only the two class D amps and my system sounded good, then I decided to run a third and all I get is blaa muddy bass when I crank it up. I can see that the subs are reaching full excrusion at the very low bass hits but they are barely recieving RMS power. I can only describe the soung quality as a $200 system cranked up all the way. What negative effect would the third amp have? It is actualy softer now! I have 1 gauge whire ran and 2 extra batteries so I don't think it is the power supply. But if I turn the gain down then there is no bass at all, but if I even turn it up a little bit it goes all crazy on me. I have heard systems with very similar set ups and I am extremely disapointed in mine. The pros who installed mine are very reputatable around my area and they couldnt seem to be any help. I thought my built in EQ might need adjusted but my deck comes with a microphone that automaticaly adjusts it during a test you can run. If you need any additional info let me know. [/QUOTE]

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