Amp cuts out at higher RPM's

[JoeRa22 10+ year member]

Ok ive recenlty put my MTX 1501D back in the trunk due to the subs wanting more then the Nine.1 could give them @ 2ohms.

Its plays fine when the car is just sitting, but if i rev then engine to around 2.5k RPMS or more the amp cuts out, completely. At idle its never cuts out unless theres some strong low bass going for a few minutes, but then it just cuts out for a sec and comes back strong.

It's a 2000 Mitsu. Galant w/ a stock 90amp alt and no charging system upgrades yet. Im gonna do the big 3 this weekend and see if that helps at all.

If anybody has had this problem i'd like to know what you did to fix it, thanks in advance.

Click to read more...

 

[Omarvelous 10+ year member]

Ok ive recenlty put my MTX 1501D back in the trunk due to the subs wanting more then the Nine.1 could give them @ 2ohms.
Its plays fine when the car is just sitting, but if i rev then engine to around 2.5k RPMS or more the amp cuts out, completely. At idle its never cuts out unless theres some strong low bass going for a few minutes, but then it just cuts out for a sec and comes back strong.

It's a 2000 Mitsu. Galant w/ a stock 90amp alt and no charging system upgrades yet. Im gonna do the big 3 this weekend and see if that helps at all.

If anybody has had this problem i'd like to know what you did to fix it, thanks in advance.

you get dimming?

If i'm not mistaken... the car runs off the alt while it's on?? Don't wuote me...

And higher RPM..... more the alt spins...... not sure if that has anything to do with it.

Strengthen up ur electrical. Big 3 it, and see.

 

[JoeRa22 10+ year member]

Yeah i get dimming like no other, the headlights **** near turn off.

Funny thing is even when the volume is a a moderate level it still cuts out when the RPMs exceed 2-2.5k

 

[Omarvelous 10+ year member]

Yeah i get dimming like no other, the headlights **** near turn off.
Funny thing is even when the volume is a a moderate level it still cuts out when the RPMs exceed 2-2.5k

Alright, well clearly your abusing your electrical system. Turn down your gains, or turn it off until you build it up some.

 

[J31Rob 5,000+ posts]

That amp sucks current like it is its job.. I loved mine.

You need a better charging system.

 

[bryce-man 10+ year member]

i have 1500 rms on a stock 90 amp alt

bit of dimming b4 the big 3( most noticable.. the dome light)

but 2 runs of 1/0 for the big 3 and now nothing at all

 

[Decipha 10+ year member]

alt upgrade is in order

check out ebay... can be had pretty cheap