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popping noise from sub when amp powers dn


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teddybeernuts 
Member - Posts: 2
Member spacespace
Joined: March 23, 2008
Location: Rhode Island, United States
Posted: March 23, 2008 at 10:04 AM / IP Logged  

Good morning and Happy Easter everyone!

I was hopeing that someone could help me with an issue that i am having. I have a JL 250/1v2 amplifier pushing one Kicker CompVX12 in a vented box. I have 4 gauge power and groung and one set of Monster RCA running from deck's sub out to the Amp in port. The amp does not need a remote turn on because it has audio sensing from the RCA's which is pretty cool.

PROBLEM: When i take the faceplate off or turn my car off i get a thump about 1-2secs later,from the sub obviously. I thought it was the ground because i grounded it down to where another wire was grounded. I regrounded to a new surface and scraped the paint off but i still have the same results.

By no means am i an expert but i have installed many systems in my time and never had this issue. I still think it is the ground but i'm not positive and need guidance. Any help or ideas would be greatly appriciated.

Info:

Deck-kenwood excelon kdcx891,amp-JL250/1v2,Sub Kicker compvx12, 2001 Acura TL 3.2, 4 gauge wire

 
Ted

davngr 
Copper - Posts: 109
Copper spacespace
Joined: October 20, 2007
Posted: March 23, 2008 at 10:55 AM / IP Logged  

the pop* happens because your amplifer is still powerd\ when the deck disconnects*. if you can use a remote wire for that amp i would do that, when you dont use a remote wire all sort of wacky sounds arise.

life is a comedy to think, a tragedy to feel
stevdart 
Platinum - Posts: 5,816
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member consistently provides reliable informationspace
Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: March 23, 2008 at 5:21 PM / IP Logged  

amp turn-off pop eliminator

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
i am an idiot 
Platinum - Posts: 13,667
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: March 23, 2008 at 5:55 PM / IP Logged  
Connecting the remote wire and not using the signal sensing feature of the amp will eliminate the pop.  The turn off pop device will work too.  But with it you will still need to remove your deck to get to the remote wire.  So why spend 25 dollars unless you need to. 
techman93 
Silver - Posts: 591
Silver spacespace
Joined: October 28, 2006
Location: Pennsylvania, United States
Posted: March 23, 2008 at 7:04 PM / IP Logged  
a relay with a diode across works also and is if the remote wire from deck still makes sub pop.
The wire I'm test'n isn't doin' what it's supposed to be doin'... I am so glad I printed that tech sheet, with the wrong info.
Do it right the first time... or I might have to fix it for ya
StealthEs 
Copper - Posts: 326
Copper spacespace
Joined: September 04, 2003
Location: New Jersey, United States
Posted: March 24, 2008 at 9:33 AM / IP Logged  
Run the amp turn on wire and turn the signal sensing off. Problem will go away.
Cris
teddybeernuts 
Member - Posts: 2
Member spacespace
Joined: March 23, 2008
Location: Rhode Island, United States
Posted: March 24, 2008 at 6:18 PM / IP Logged  
Thank you everyone for the advice, I will follow through and let you know how it works out!
Ted

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