Weird Nose

[Highrider25]

It's not every time I turn on my truck, but like every other time when I turn it on my sub like hits a note and just makes a bumb sound. It's just annoying. Just wondering why it would be doing this?

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[Chevyaudio 5,000+ posts]

Check your grounds.

 

[redswingline 10+ year member]

Ford F-150?

 

[johnson 10+ year member]

rhinoplasty?

and if it's not your wiring, http://davidnavone.com/amp.htm

 

[tRiGgEr 5,000+ posts]

Your amp have a Soft turn on circuit?

 

[johnecon2001 5,000+ posts]

rhinoplasty?
and if it's not your wiring, http://davidnavone.com/amp.htm

It very well could be actually. A bad ground/loose connection has been known to create the "turn on thump".

 

[integra1789 10+ year member]

It could be alternator noice get a filter or make sure your RCA cables arnt close to your power wire

 

[tRiGgEr 5,000+ posts]

It could be alternator noice get a filter or make sure your RCA cables arnt close to your power wire

No it could NOT be alternator noise...

RCA's next to the power wire actually don't effect the signal. Unless they have zero shielding. Then it's not just the power wire you would be worried about.