popping sound on start up and shut down

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=123658
Printed Date: May 10, 2025 at 2:36 AM

Topic: popping sound on start up and shut down

Posted By: rallysport
Subject: popping sound on start up and shut down
Date Posted: September 24, 2010 at 6:21 PM

I installed a parrot 8400 h/u along with a rockford fosgate 400.4 amp, 6.5s and a 10'' punch sub all in a 62 corvette. After you turn on the key but before the radio starts playing I get a popping sound, and after the key is switched off i get another loud pop a few seconds after everything shuts off. I tried running a new ground straight to the battery and a new set of rcas but the noise persists.
suggestions?

Replies:

Posted By: rallysport
Date Posted: September 24, 2010 at 7:06 PM

edit: got it figuered out. it was the parrot deck. tried another parrot, same problem, tried a pioneer and all is good.

Posted By: 66sportfury
Date Posted: September 25, 2010 at 3:04 AM

turn on delay,

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ac delco am radio and sparkomatic 40 watt sound exploder

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