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I have an Alpine IVAW205 for a head unit, I also have an Infinity Kappa One amp powering a JBL P1224 sub. I have had this amp for about a month now and really have enjoyed it. Today for some reason everytime I power the car down the sub pops! I called the Infinity tech support and ran through a couple of things w/ them b/f they decided that the amp is bad.. We are in the process of getting this unit replaced. After hanging up I later on in the evening I took the car for a ride and noticed that when I change the channel the sub also makes the same "pop" noise.... I really hope that this is a problem w/ the amp and not the deck!!

Thoughts!!!
 

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unplug the RCA input and turn the system on and off and change the channel. IF the sub pops, it's the amp. If it doesn't, it's not the amp.
 

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Can you connect an altrnate source to the amp ?

Can you switch the amp with a friend ?

TESTING will determine what it is ! ;)
 
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