warm dust caps?!

[Jerhemy 10+ year member]

I am running two sa 15's off a kicker zx2500.1 (you may remember seeing my previous thread about sending the sa's that much power) that I have set the gains with a DMM to output 1000 wrms to each sub at 2 ohms.

The subs sound great and I have not been smelling any voice coil heat or anything. But last night I took a nice cruise and had them bumpin pretty hard for around 25 minutes straight, with several small breaks in the music between songs and such. When I got home I felt the dust caps and they were definitely a bit warm, is this suspect of them getting too much power or over worked?

any info would be great,

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[Full Tilt 10+ year member]

I don't have any experience with this, but I'd assume it's just the heat radiating from the rest of the subwoofer. It's probably fine, but I'm not 100% sure.

 

[mylows10 5,000+ posts]

clipping !!!! the subs not enough battery juice

 

[nateberrier 10+ year member]

Rofl I cant even touch mine most of the time.

 

[Jerhemy 10+ year member]

clipping !!!! the subs not enough battery juice

i suppose it could be clipping, I don't hear anything as far as distortion or clipping, btu i'm no expert. I doubt it's low voltage, i rarely drop below 13 volts while driving, and I don't bump while sitting still usually. i have the big 3 in 0 gauge, optima YT, 2 runs of 0 to the back, kinetik 2400.

is there any way to test clipping without an oscilloscope*? I set the gains to 60 volts AC with my dmm on a 50 hertz 0db test tone at 3/4 volume.

 

---------- Post added at 10:44 AM ---------- Previous post was at 10:43 AM ----------

 

Rofl I cant even touch mine most of the time.

haha, word man? what are you running? jw.

i wasn't too worried cause I couldn't smell the coils cooking at all, but I am just curious as to if I need to worry about this.

 

[mylows10 5,000+ posts]

what size alt do you have ?

 

[Jerhemy 10+ year member]

what size alt do you have ?

supposed to be 240 amp at 1200 rmp, but it's not an iraggi* or mechman or anything, it's a world power systems alt, so it might not be that powerful. I don't get any light dim or anything.

 

[VisceralSound 10+ year member]

what size alt do you have ?

 

[mylows10 5,000+ posts]

hmm , sounds like a big enough alt ,then maybe your just throwing too much power at them . they shouldn't be getting hot ,a little warm is ok every now and then.heat is bad for the coils .

 

[VisceralSound 10+ year member]

hmm , sounds like a big enough alt ,then maybe your just throwing too much power at them . they shouldn't be getting hot ,a little warm is ok every now and then.heat is bad for the coils .

I'm sure his definition of hot is ours of warm.

 

[mylows10 5,000+ posts]

I'm sure his definition of hot is ours of warm.

could be !

 

---------- Post added at 08:59 AM ---------- Previous post was at 08:58 AM ----------

 

Rofl I cant even touch mine most of the time.

this , not good

 

[splwj47 10+ year member]

Tone down the power

 

[Jerhemy 10+ year member]

could be ! 

---------- Post added at 08:59 AM ---------- Previous post was at 08:58 AM ----------

 

this , not good

they were definitely not HOT at all, just slightly warmer than the rest of the cone/surround.

I will be sure to keep an eye on them and check for heat after any serious bumpin.

 

---------- Post added at 11:11 AM ---------- Previous post was at 11:10 AM ----------

 

Tone down the power

will do, or maybe it's a sign that new/ more beefy subs are in order already...

 

[CAT MAN 5,000+ posts]

clipping,bad ground, too much power, or just regular heat build up

 

[Jerhemy 10+ year member]

clipping,bad ground, too much power, or just regular heat build up

Bad ground eh?? hmm that was the one aspect of this build that I wasn't 100% confident with from the get-go. I currently have to grounded to a seat bolt, i sanded it down good and torqued the bolt down hella good. Would it be best to simply make a run of 1/0 from the back batt to the front battery?

I have twp runs of Knu KCA 1/0 front to back for the power, would I want to match up my ground runs with the same amount of wire?