Popping sound from 11KV.2

[naiku 10+ year member]

Ok so I already posted this in the General Discussion, but it has to do with my sub, so posting here as well..........

Yesterday I put my sub into the truck for the first time but I have a problem somewhere (not had much time to look at it yet). When I change stations/source etc I hear a sort of popping (not the loud popping of turn on/off) sound and the sub moves in and out (feels like its moving all the way out when it does this). The pop is not all that loud, but its noticeable, I am more worried about the way the sub moves.

When it makes the pop if I put my hand beside the sub, I feel air moving, at the moment (not easy to reach back under the seat when sitting in the drivers seat) I can't tell if this is coming from around the speaker (leaking from the box) or not. If it is leaking from the box, is this what is causing the pop and the movement of the sub? (I have not yet checked if the pop comes from my speakers, only really noticed it on the way to work this morning)......... and finally, if this pop/movement is because of a leak around where the sub is screwed into the box what is the easiest way to seal this area?

And one last thing, I most likely can't get to look at this until the weekend........... should I simply disconnect my sub until I can look at it? I don't want to damage the sub. Thanks.

Edited: I did a bit of searching on here, before it's brought up I set my gains using the sticky in the amplifier section, the gains are less than halfway, bass boost is set to 0 and LPF is set to 80Hz.

Click to read more...

 

[naiku 10+ year member]

bump......... anyone?

 

[Polecat 5,000+ posts]

airleak, or bad RCA

 

[jmanpc 5,000+ posts]

Check the ground on your head unit. I had a bad ground on my h/u once that was causing popping and quaking when I changed sources or tracks.

 

[naiku 10+ year member]

Thanks for the replies, I had suspected it could be a ground problem (already had to wrap the RCA's on my Pioneer HU).............. I am hoping to get some time one evening this week to ground the HU direct to the battery, and also see if I can't find a better spot for the amps ground.

Will also switch my RCA's around to see if that makes any difference at the same time.