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MTX thunder 7500 12" repair

Its a MTX thunder 7500 12 with a split foam ring. Can I glue it together?

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Where can i find a foam surround to replace my 10'' mtx 6000?


You would have to look for a re coning kit from either MTX site or amazon or ebay

Aug 22, 2011 | MTX Thunder 6000 T61544A Car Subwoofer

1 Answer

Amp and sub have been working great together then all of a sudden the amp is not putting out enough power to push the sub. MTX Thunder 311D


check to see if one of the RCA cables is unplugged or bad. check the gain check the sub level control on the deck if yours has one.

May 19, 2010 | MTX Thunder 311D Car Audio Amplifier

1 Answer

What is Positive and what is Negative


Hi Mason.
Are the positions colour coded in any way?
Red = Positive
Black = Negative
I've looked at some photo's from the website and at a guess I would say that yours are the push on crimp types, so no colour markings.
Have a look at the pdf wiring diagram they supply here as it may shed some light on things:
MTX Thunder US-XT12-44
I've looked over loads of forums but none seem to mention the wiring of these subs.
Understandably you want to get this right as they are a very nice set of subs when they're up and running.
If all else fails try looking at the MTX contact list and ringing one of their supported dealers for more info.
Regards
Mike

Mar 21, 2010 | MTX Thunder 6000 T61044A Car Subwoofer

1 Answer

I have a mtx thunder 7801 and a sledge hammer box


Sounds like the subs are blown with the voicecoils fused together which means the amp is/was seeing a dead short ( zero Ohms reisitence) not good for any amp. Disconnect the speaker terminals from the amp and see if it turns on. The funny smell might have been the subs blowing up, i'll keep my fingers crossed for you.

Feb 28, 2010 | MTX Car Audio & Video

1 Answer

I have a mtx thunder 421d. I've had it about 5 years,about a week ago it started going out from time to time. I checked my hot wire and fuses,they are ok.Now the amp stop working, and dont light up. Will...


If you have proof of purchase(invoice or receipt) showing the purchase date and you are still within the warranty period then yes it would be repaired by MTX under the warranty guidlines, and by the way MTX is great at customer service and they are great to work with(very fair)!!!!
Keep in mind that the seal on the bottom of the amp cannot be broken or that will void warranty coverage.
Give them a call, you will be glad you did!
800 225 5689 - MTX Customer Service & Amplifier Service Center
Good luck !

Jan 31, 2010 | MTX Thunder 421D Car Audio Amplifier

1 Answer

Rotten foam rubbers


You can have "The Speaker Factory" re cone them. Call for an est.first Generally gonna be less expensive to replace.

Jun 25, 2009 | MTX Road Thunder RT-1240 Car Subwoofer

1 Answer

Hole in subwoofer


Hello colinomalley,

You can repair the hole using a flexible permanent adhesive. If all of the cone is still there, I wouldn't use a patch. I'd just put the jagged edges back together. If part of the cone is actually missing, you will need to patch it. Thin fiberglass cloth works pretty well. Use painters tape that will remove easily and cover the hole from the rear of the speaker. Cut the fiberglass cloth about 1/4" larger than the hole and attach it using a silicone based flexible adhesive. Allow it 24 hours to set up completely and then remove the tape from the rear.

A product called "shoe goo" works very well for speaker repairs. It's strong, flexible, and permanent.

Hope this helps.

May 26, 2009 | MTX Road Thunder RT-1240 Car Subwoofer

1 Answer

I have a little rip on the subs ring


The little rip on the foam surround can be repaired easily with some pure silcone from a harware store. Make sure it's pure silicone, because the silicone mixtures may deteriorate the foam prematurely. Also, all you're really doing is plugging the hole that the rip makes so that air doesn't leak out and further damage the surround and also affect your sub's performance. You'll need to apply a thin to moderate coat of silicone to the rip, and make sure that some gets into the rip. Do NOT use globs or big lumps. You should apply some silicone to your finger, and carefully apply it to the area. Try not to get too much on the inside/backside of the rip. If you'd rather just get a replacement sub, you should be able to find the raw driver on eBay or at a local MTX dealer.

May 18, 2009 | MTX RT12X2-200 Car Speaker

1 Answer

I LIKE TO HAVE SOME ONE TO FIX MY AMP.


you have to send it to mtx. Most repair shops wont touch it. You can call mtx i had the same amp. It cost about 85 bucks plus shipping. the 85 bucks covered return shipping also.go to there web site it has the info for tech support and repair issue there. hope this helps

Sep 09, 2008 | MTX Thunder 81000D Car Audio Amplifier

1 Answer

Sub repairable?


ya u can use crazy glue or gorilla glue

Apr 07, 2008 | MTX Thunder 8000 T8154A Car Subwoofer

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