Power down thump?

 

Bronze Member
Username: Sweatyogre

PA USA

Post Number: 39
Registered: Mar-06
Sorry if this is a newbie question, but I just got my first sub installed in my truck yesterday, and I was wondering if it's normal for my sub to thump when I turn it off. It's a pretty loud thump, not like the little one when it powers on.
 

Gold Member
Username: Southernrebel

Monroe, Louisiana USA

Post Number: 2691
Registered: Mar-04
some lower end amps and HU's do that.

what amp and HU do you have?
 

Bronze Member
Username: Sweatyogre

PA USA

Post Number: 40
Registered: Mar-06
Clarion DB445 HU (it's pretty old, but it's just temporary, I just pulled it out of my wrecked truck for now) and a Power Acoustik PWR 180 my brother gave me, also pretty old, older than the HU.

So it's probably because they're old that it's thumping, and I can't do anything about it? Is this thump harmful to my sub?
 

Bronze Member
Username: Sweatyogre

PA USA

Post Number: 43
Registered: Mar-06
DB4475, my bad.
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