Sub's impedance magically dropped. Need help!

[45auto 10+ year member]

Ok, so this is what happened.

I'm riding along, I get mad at my girlfriend, so to tune her out, I set the bass level to max, and crank the HU to 80% to tune her out, subs are hitting hard and then a few minutes later the subs turn off, I figure the amp went into protection, I figure wrong, it never comes back on, I drop the girlfriend off and inspect...

The amp blew a fuse, so I just replace it, turn the music on, the fuse blows a few seconds later, I figure there's another problem, so I pull out the multimeter, and the impedance of the subs is now 2.6 ohm's as opposed to the 3.8 ohm's it was initially installed with. I figure a wire came loose or something, but nope, nothing is loose, but I still took everything apart and checked the impedance of the individual voice coils, and they all read out about 3.6 ohms. I hook it back up, made sure everything was secure, and I check the overall impedance, and I still get, 2.6 ohms. The subs seem to be fine, I had no magic smoke or smell, and the cones move fine, so I don't believe anything has blown, plus the voice coils are reading out right.

What's going on?

Click to read more...

 

[yacob.naif 10+ year member]

Hahaha, dude i'm sorry, but that's hillarious!

I'll bet you felt like such an a$$ when the system blew out. Hahaha.

So all the tinsels are ok? I'm sure somone will be along to help, you gotta admit, that's **** funny.

 

[iceteebone 5,000+ posts]

instead of cranking up the bass, you need this for your woman

 

[45auto 10+ year member]

Hahaha, dude i'm sorry, but that's hillarious!
I'll bet you felt like such an a$$ when the system blew out. Hahaha.

So all the tinsels are ok? I'm sure somone will be along to help, you gotta admit, that's **** funny.

Yeah, the tinsels look good.

LOL...

Yeah, I was mad, but thought it was kinda funny still.

I tried to play it off and turn the music off quickly, like I didn't want to listen anymore, so she wouldn't know what happened, and make me feel even worse.

 

[tRiGgEr 5,000+ posts]

kids...

Take the speakers out. Measure each coil.

 

[dkguitarist 5,000+ posts]

Ok, so this is what happened.
I'm riding along, I get mad at my girlfriend, so to tune her out, I set the bass level to max, and crank the HU to 80% to tune her out, subs are hitting hard and then a few minutes later the subs turn off, I figure the amp went into protection, I figure wrong, it never comes back on, I drop the girlfriend off and inspect...

The amp blew a fuse, so I just replace it, turn the music on, the fuse blows a few seconds later, I figure there's another problem, so I pull out the multimeter, and the impedance of the subs is now 2.6 ohm's as opposed to the 3.8 ohm's it was initially installed with. I figure a wire came loose or something, but nope, nothing is loose, but I still took everything apart and checked the impedance of the individual voice coils, and they all read out about 3.6 ohms. I hook it back up, made sure everything was secure, and I check the overall impedance, and I still get, 2.6 ohms. The subs seem to be fine, I had no magic smoke or smell, and the cones move fine, so I don't believe anything has blown, plus the voice coils are reading out right.

What's going on?

he did check each coil. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 

[SPL140.2 5,000+ posts]

Did you smell any odor?? SOMETIMES when you crank the system up it burns the coils a tad to where there is no damage but lowers the impendence of the coils.//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 

[dkguitarist 5,000+ posts]

Did you smell any odor?? SOMETIMES when you crank the system up it burns the coils a tad to where there is no damage but lowers the impendence of the coils.//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

Ok, so this is what happened.
I'm riding along, I get mad at my girlfriend, so to tune her out, I set the bass level to max, and crank the HU to 80% to tune her out, subs are hitting hard and then a few minutes later the subs turn off, I figure the amp went into protection, I figure wrong, it never comes back on, I drop the girlfriend off and inspect...

The amp blew a fuse, so I just replace it, turn the music on, the fuse blows a few seconds later, I figure there's another problem, so I pull out the multimeter, and the impedance of the subs is now 2.6 ohm's as opposed to the 3.8 ohm's it was initially installed with. I figure a wire came loose or something, but nope, nothing is loose, but I still took everything apart and checked the impedance of the individual voice coils, and they all read out about 3.6 ohms. I hook it back up, made sure everything was secure, and I check the overall impedance, and I still get, 2.6 ohms. The subs seem to be fine, I had no magic smoke or smell, and the cones move fine, so I don't believe anything has blown, plus the voice coils are reading out right.

What's going on?

again. quoted in his post. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 

[SPL140.2 5,000+ posts]

again. quoted in his post. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

again,

SOMETIMES when you crank the system up it burns the coils a tad to where there is no damage but lowers the impendence of the coils.

sometimes there is no odor

 

[45auto 10+ year member]

LMAO... Looks like I'm doomed.

 

[LuNaTiC 10+ year member]

Very strange... Keep this bumped I'm sure someone will come along who has experienced this...

 

[45auto 10+ year member]

bump.

 

[justsayk 10+ year member]

can you test the sub on another amp, or a home amp for a little bit? That might tell you if its the sub or the amp.

 

[imaspaceguy90 10+ year member]

bad coil maybe

 

[SAG3 5,000+ posts]

are you getting more power now?