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www.stevemeadedesigns.com/board/topic/189112-amp-test-tuesday-mtx-1501d-plus-amp-guts-guess-the-wattage-win-stuff/A few weeks back, someone stopped by while i was busy working on the RZR and asked if i could take a look at his MTX 1501D amp. He said it wasn't working. I told him i am in no way shape or form an amplifier repair man. I can do basic stuff, always have. But anything beyond basic, he might as well just call MTX. He said the speaker terminals were loose and it kept cutting out. Well that, to me says "cold solder".....and "cold solder" is something i can obviously fix :D. So i said "what the hell" and told him to toss it on the bench. When i finished with the RZR i would take it apart and see what i can do. After a few weeks, i finally cracked it open. Sure enough, the solder joints on the speaker outputs were very loose. I resoldered them and everything was back in business. Instead of just handing it back, i decided to test it for him to make sure it was working. Hence...the new Amp Test Tuesday.
First of all...just an FYI before i start. I have a very limited power supply on my test bench, I have 3 12v batteries, 3 14v batteries and 3 16v batteries. A lot of companies rate amplifiers @ 14.4-14.5vdc, basically the type of power you would expect when the vehicle is running and the alternator is turning. For that reason, i decided just to use the 14v bank. If a company stresses 12v ratings in the book, i normally will do those as well. But this amp is a random amp that came in and i don't know much about it. 14v bank it is. That consists of 3 XS Power D1400 Batteries sitting on a XS Power HF1415 (15a) Intellicharger. It is in no way shape or form a "power supply" although when you look at the tests you might see the SURFACE charge above 15v. That is quickly used up when the test starts and is brought back down to low 14v range. It is not a perfect test due to my power supply issues. BUT, i think 3 small 14v batteries on a small 15a charger with a 1500watt rated amp pulling on it isn't TOO far off what you would see in real life.
Every time i do this, i try to give away prizes for those who can guess the numbers that the amps put out when we test them. This week, i am giving away $50, a shirt and a hat to anyone who guesses the correct number. Join the forum, meet good people, get in on the contests!
Today's test subject, the MTX Thunder Elite 1501D. Someone brought it by for a basic repair job. After i fixed it, i tested it and here are the results!
the SMD D'Amore Engineering Amp Dyno AD-1 is about to set the standard in car audio for amplifier ratings. Does your 5000 watt amp really do 5000 watts? Whether it is car, pro, or home audio, the AD-1 AKA the Honey Badger, does not care.
Remember, the amp dyno isn't so much about your amplifier not making the power as it is WHY the amp isn't making its power. If your electrical system, or some other link in the chain is not working to its full potential, the amplifier will not either. The dyno shows any small change you make in REAL TIME.
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#amp#test#tuesday#mtx#thunder#elite#1501d#rated#1500#watts#gut#shot
