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<blockquote data-quote="masanders1978" data-source="post: 8514458" data-attributes="member: 670405">I&#039;m having an issue with my Sound Ordinance 8BPTD&nbsp;&nbsp; <a href="http://www.crutchfield.com/p_777B8PTD/Sound-Ordnance-B-8PTD-Powered-8-Subwoofer.html" target="_blank">Sound Ordnance B-8PTD 125-watt compact powered subwoofer at Crutchfield.com</a>&nbsp;&nbsp; thumping/popping when&nbsp; the Kenwood KDC-BT365U radio&nbsp;&nbsp; <a href="http://www.crutchfield.com/p_113BT365U/Kenwood-KDC-BT365U-CD-Receiver.html" target="_blank">Kenwood KDC-BT365U CD receiver at Crutchfield.com</a>&nbsp; is turned on and turned off. Everything is hooked up using a Rockford Fosgate amp kit&nbsp; <a href="http://www.crutchfield.com/p_575RFK101/Rockford-Fosgate-RFK10i-10ga-Amplifier-Wiring-Kit-w-RCA.html" target="_blank">Rockford Fosgate RFK10i 10-gauge amplifier power and signal wiring kit at Crutchfield.com</a> .I followed all wiring instructions, did the ground right, using the RCA cable...but there is still that darn popping.I tried a time delay (NE555 based) circuit, tried a homemade 12v - 5v voltage reducer that was more of a lesson in soldering, and tried different voltage inputs with no success on all fronts.&nbsp; I know I can can Crutchfield and talk to tech support, but i think that&#039;ll be a last resort.Got any ideas?</blockquote>

[QUOTE="masanders1978, post: 8514458, member: 670405"] I'm having an issue with my Sound Ordinance 8BPTD [URL="http://www.crutchfield.com/p_777B8PTD/Sound-Ordnance-B-8PTD-Powered-8-Subwoofer.html"]Sound Ordnance B-8PTD 125-watt compact powered subwoofer at Crutchfield.com[/URL] thumping/popping when the Kenwood KDC-BT365U radio [URL="http://www.crutchfield.com/p_113BT365U/Kenwood-KDC-BT365U-CD-Receiver.html"]Kenwood KDC-BT365U CD receiver at Crutchfield.com[/URL] is turned on and turned off. Everything is hooked up using a Rockford Fosgate amp kit [URL="http://www.crutchfield.com/p_575RFK101/Rockford-Fosgate-RFK10i-10ga-Amplifier-Wiring-Kit-w-RCA.html"]Rockford Fosgate RFK10i 10-gauge amplifier power and signal wiring kit at Crutchfield.com[/URL] . I followed all wiring instructions, did the ground right, using the RCA cable...but there is still that darn popping. I tried a time delay (NE555 based) circuit, tried a homemade 12v - 5v voltage reducer that was more of a lesson in soldering, and tried different voltage inputs with no success on all fronts. I know I can can Crutchfield and talk to tech support, but i think that'll be a last resort. Got any ideas? [/QUOTE]

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