What could this be?

[awholelotofnutz]

All my electrical and gear is in my Sig. The only thing not hooked up is the ppi 900.4 and pwx 10"s. Any way on the way home from work I was listing to a decafe song with 23-35hz. My gains are set with a dso nano 40hz -5 db. The problem, I was playing the song when the 23hz hit the sub fluttered loudly. My voltage went down low and not sure what is was cause my arm was in the way of the meter but my lights dimmed bad really bad. After I cut it down fast system seemed normal. I parked and pounded the same song with no problem a couple times before. Voltage never dropped below 13. What could that have been, sub bottomed out bad voltage hell I don't have a clue.

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[cfox10 10+ year member]

belt slip on the alt?

 

[awholelotofnutz]

It slipped very very slightly when I first got the alt and new belt. Like the first week then it never happened again. Also I was at a steady 50mph but I still could be the belt slipping. The only other time I heard this sound is when my buddy had a bad ground from his frame and gave off bad voltage.

 

[awholelotofnutz]

When it happened I was like 3 mins from my house and checked sub dust cap and amp both felt normal to the touch.

 

[audiobaun 5,000+ posts]

What vehicle?Big 3 been Done?

 

[audiobaun 5,000+ posts]

Depending on supply needs, you may need more power banking

 

[awholelotofnutz]

Big 3 is done and everything it was just weird it happened when I was driving and it never drops below 14. Hasn't dropped below 13 @ idle. Maby time for the 2 Duracell 105.

 

---------- Post added at 02:11 PM ---------- Previous post was at 02:10 PM ----------

 

Oh yea 2001 ford explorer v6 sohc