Dang i hope i dont run into this problem. I have a 90 bronco which has 80 amp alt. But im running 2x power to the re sx18 off a mb quart 1600 plus a 400 watt amp for my 6.5s. I havent put the bass amp in not knowing if i should at least upgrade my alt to athe 130 g3 alt first
So OP where is the gain on the amp set? Also what head unit do you have?
Team TraumaSetters Down South Prezz
2014 Ford Fusion SE 2.0T
DD M1c, DD SS4A
Knuconceptz OFC, Custom fit Soundrive RCAs.
upgraded battery/chassis grounds is more than sufficient to support a zx750. I agree with @DDtC ; on pretty much all he's said. Clipping, poor connections, or both are the most likely culprits here.
An upgraded alt is ALWAYS a good thing to have in this hobby. But not having one is not the real problem here. Fix the issues... then see if you still want/need one.
Pics of where the gain is set at ? Did you use a dmm ? Unibody cars don't have very many good grounding points so I also agree this is prolly the issue most cars/ trucks can hold more than 750 rms with the exception of a few. But the alt is the best option only if truly needed
pioneer avhx 5500 dvd, b2 m1ur and Quattro
7 pc 2150 and a d3100 and d975 ,275 and 320 amp singer alts,
B2 ref mids,cdt es 010 tweets,es 03 Mids ,mx1000 3 way x overs , sky high and stinger hpm o gauge wires ,also 2 tantric shd 18s in a 4th order no wall box
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the strut tower is not a good location for a ground. use the floor of the vehicle, scratch away all pain and use your own screws and star washer.