Question about MTX Thunder 1501D Car Audio Amplifier

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Mtx thunder 1501d

Im having nosie coming out of my subs and the pioneer radio is 2,2 vots the mtx people told me that i need a 4 to 8 vots deck and i got the deck from a friend that touch the speaker wire on back of the cd player and i hook it up and used an highs amp and it worked ok do that got somthing to do with it.

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Noise from an amp setup (often a buzzing or hum) is often the result of something being grounded that shouldn't be, or that a ground or power connection is not as secure as it should be. Check for proper, clean and solid connections.

Posted on Dec 03, 2008

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Yes you can not run amps with your speakers being grounded un ground and then try

Posted on Dec 01, 2008

  • Bryan Howald Dec 01, 2008

    yes you can not run amps with your speakers being grounded un ground and then try

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1 Answer

I own a mtx 1501d.Also own a 18


THE AMPLIFIER NEEDS A 1 OHM LOAD AND YOU HAVE THE RIGHT SPEAKER TO PROVIDE THIS LOAD. THE AMPLIFIERS TERMINAL STRIP PROVIDES YOU WITH 2 POSITIVES AND 2 NEGATIVES, BUT THEY ARE ONLY FOR CONVENIENCE WHEN WIRING 2 DRIVERS. ACTUALLY THE 2 POSITIVES ARE THE SAME CONNECTION INTERNALLY ON THE BOARD, AS WELL AS THE 2 NEGATIVES. THAT BEING SAID, THE SIMPLEST WAY TO CONNECT YOUR SPEAKER IS TO PARALLEL THE VOICECOILS IN THE BOX BY CONNECTING THE 2 POS. TOGETHER AND THE 2 NEG. TOGETHER THEN RUN THAT POS. AND NEG. OUT OF THE BOX AND SIMPLY CHOOSE EITHER OF THE 2 POS AND NEG. OF YOUR CHOICE AT THE AMP. IF YOU EVER HAVE TO ADD A SUB, THEN YOU WILL HAVE 2 MORE TERMINAL LEFT OVER ON THE AMP. TO CONNECT IT TO AT THAT TIME. BY ALL MEANS, IF YOU WOULD LIKE TO RUN EACH COIL SEPARATELY OUT OF THE BOX AND CONNECT THEM TO ALL 4 TERMINALS, THEN THIS IS FINE TOO, AS EITHER WAY, THERE WILL BE NO DIFFERENCE WHATSOEVER. LET ME KNOW IF I CAN BE OF FURTHER ASSISTANCE....V

Nov 24, 2009 | MTX Thunder 1501D Car Audio Amplifier

1 Answer

1501d,, What subs should i use/


I would stick with Kicker or MTX. The best place in my mind to get them is soncelectronix.com
Just try to mach the specs as close as possible. Make sure to look at the recommendations of the subs for the size of the box and the port volume.

Oct 11, 2009 | MTX Thunder 1501D Car Audio Amplifier

3 Answers

1 ohm stable?


YES IT IS i have the same amp and i have it to 1 ohm its powering to kicker l7's which are 2ohm subs down to 1 ohm stability

May 16, 2009 | MTX Thunder 1501D Car Audio Amplifier

1 Answer

Most power out of amp w/out blowing subs


you may only be able to get but so much out of the subs. If you turn the bass down a little so the that you dont drive the subs so hard you may get a little more wattage out of them

Apr 06, 2009 | MTX Thunder 1501D Car Audio Amplifier

1 Answer

My subs make a loud humm when I turn my gain up.


your ground has to be no longer then 2 feet if ot it picks up noise from rca

Mar 13, 2009 | MTX Thunder 1501D Car Audio Amplifier

2 Answers

Need help MTX 1501d amp diagram


Remove cover and set in direct sunny window for long time, may be no problem with it, Took a month to dry one of my amps out enough that it decided it would come back to life, cell phone dropped in sink took 2 weeks, If you try power to it too soon --fried--, good luck finding diagram and repairing it sincerely-hope its okay, good amp, bad luck,

Mar 13, 2009 | MTX Thunder 1501D Car Audio Amplifier

1 Answer

My mtx thunder 1501d car amp making noise in the subwoofers


This is common with pioneer head units, the rca jacks are not properly grounded and this lets engine noise come through the rcs cables. This thread explains a fix http://www.caraudio.com/forum/showthread.php?t=337644.

Nov 13, 2008 | MTX Thunder 1501D Car Audio Amplifier

1 Answer

Mtx 1501D


if your power light is on then check your preamps (sub out from head-unit).Maybe you need to turn on that output thru head unit's audio menu.Also when using dual voice coils if you wire them out of phase there will be no output

Sep 16, 2008 | MTX Thunder 1501D Car Audio Amplifier

1 Answer

Amp turns on then starts making subs go erratic with almost sounds like line nosie


hi i had the same problem people suggest checking ground thats where you start at then if it aint ground for sure, the make sure you have good rca cables. If there good this is what happen to me i had a cheap ole pioneer 70 doller cd player the actual rc jacks from that cd player was making and horrible sound travel through my speakers im talking humming whinning everything im positive that this will solve your problem email me at maggotman927@hotmail.com and let me no something if i helped or if ya need more help

Apr 04, 2007 | Kenwood KAC-9152D Car Audio Amplifier

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