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Intermittent high pitch buzz
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<blockquote data-quote="James-TT" data-source="post: 8791715" data-attributes="member: 686024"><p>Thank you.</p><p>Yes it does make the noise with the HU off.</p><p>I’ve actually used the OEM speaker wire, I removed the pins from the stock amp and connected them to the outputs on the crossovers.</p><p>I think I will try surface laying some new cable from the amps to the doors and tweeters to see if that’s the issue.</p><p>I would try a new RCA, but I think I’ve eliminated that as an issue as the sound is still there, although quieter when they’re unplugged.</p><p>I’ve used the same ground point that the HU and OEM amp used and getting no resistance on the digital meter when I tested it.</p><p>I have a spare 6x9 laying about that tomorrow I will test each channel on the amp with a short bit of speaker wire to see if I get the same noise through it.</p><p>apart from this noise, the system sounds great.</p><p></p><p>What’s weird to me is it’s not a constant buzz, like alternator whine, this is roughly every 20 seconds for about 5 seconds, then it repeats. like something is turning on and off.</p></blockquote><p></p>
[QUOTE="James-TT, post: 8791715, member: 686024"] Thank you. Yes it does make the noise with the HU off. I’ve actually used the OEM speaker wire, I removed the pins from the stock amp and connected them to the outputs on the crossovers. I think I will try surface laying some new cable from the amps to the doors and tweeters to see if that’s the issue. I would try a new RCA, but I think I’ve eliminated that as an issue as the sound is still there, although quieter when they’re unplugged. I’ve used the same ground point that the HU and OEM amp used and getting no resistance on the digital meter when I tested it. I have a spare 6x9 laying about that tomorrow I will test each channel on the amp with a short bit of speaker wire to see if I get the same noise through it. apart from this noise, the system sounds great. What’s weird to me is it’s not a constant buzz, like alternator whine, this is roughly every 20 seconds for about 5 seconds, then it repeats. like something is turning on and off. [/QUOTE]
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