Bad amp or bad sub.. need help deciding

rtrinkle

Junior Member
Sub: jl w6

amp: jl 500/1

Hey guys hows it going.

So recently my car was worked on and the dealership left the trunk cracked for some reason and the interior of my trunk got a little wet. I noticed the amp was a little damp so I set it out to dry before testing things out.

After everything was dry I hooked it up and everything worked fine. One day, however, I started up my car and my sub was not hitting. I went back, opened the trunk and noticed the sub was hitting but not hard at all, and sounded terrible, almost like a putter. I turned everything off because the amp smelt like it was burning.

After a few days, I tried hooking everything up again. The same sub sound, the light hitting/puttering was there again. I busted out the multimeter and went to town.

The amp turns on, the green light comes on and none of the error LED's light up. I checked and there is 12+V going into the amp. The outputs of the amp are putting out 1.2 - 3.1 ohms when I run the amp, however I am not able to get a voltage reading. When I hook up the sub, it does not hit anymore. Instead, it makes a low humming noise. If I push on the sub, it sounds like it is humming or buzzing even more. It seems like it wants to work, its just not getting enough power.

I am afraid the water finally got the best of the amp, which caused a bunch of problems. Needless to say, everything worked fine before the dealership incident.

I am open to suggestions and am willing to try anything, really just trying to narrow it down to the sub or the amp.

Thanks for your time,

Rob

sorry if this is a repost I was told to take it here

 
that sub has dual 6 ohm coils right? did you check both coils with the dmm? Could of blown one of the coils and its only running on one and the 500/1 might not put much out at 6 ohms.

 
that sub has dual 6 ohm coils right? did you check both coils with the dmm? Could of blown one of the coils and its only running on one and the 500/1 might not put much out at 6 ohms.
didn't read whole post, but I think old style was D6 and new one is D2 right?

 
Activity
No one is currently typing a reply...
Old Thread: Please note, there have been no replies in this thread for over 3 years!
Content in this thread may no longer be relevant.
Perhaps it would be better to start a new thread instead.

About this thread

rtrinkle

Junior Member
Thread starter
rtrinkle
Joined
Location
Indiana
Start date
Participants
Who Replied
Replies
2
Views
654
Last reply date
Last reply from
rollerdj
1778763859842.png

Doxquzme

    May 14, 2026
  • 0
  • 0
IMG_20260513_214311575.jpg

ThxOne

    May 13, 2026
  • 0
  • 0

New threads

Top