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<blockquote data-quote="Jeffy" data-source="post: 8500841" data-attributes="member: 669816">Ok I finally got everything hooked up to an o-scope.&nbsp; The speaker outputs from the head unit were distorted like crazy so I completely removed them from the harness and threw them away.&nbsp; The RCA outputs were great though, they had perfect sine waves up to volume level 29 out of 30, once it hit 30 it turned into a nasty square wave.&nbsp; I tested with 50hz, 500hz, 5,000hz, and 20,000hz with zero distortion, so I don&#039;t think I&#039;ll need to replace the head unit?I moved on to the amp and it had zero distortion with the same frequencies.&nbsp; I slowly increased the gain and no distortion whatsoever through the entire range.&nbsp; I tested all channels with the same result so my amps are solid....Which means I must have blown my speakers when I ran them at full volume.&nbsp; Even though they were set with a multimeter, the clipping must have blew the tweeters in them.&nbsp; I need to find another amp to test them on but I can&#039;t think of anything else being the issue.So what should I replace them with? I&#039;m looking at Infinity Kappa 693.9I, is that a good option? It seems like an upgrade over the Fosgates I have in there, it definitely is a price upgrade.&nbsp; Thoughts on a good 6x9 that would cost about 200 bucks? (The kappas are listed for $189 on amazon)</blockquote>

[QUOTE="Jeffy, post: 8500841, member: 669816"] Ok I finally got everything hooked up to an o-scope. The speaker outputs from the head unit were distorted like crazy so I completely removed them from the harness and threw them away. The RCA outputs were great though, they had perfect sine waves up to volume level 29 out of 30, once it hit 30 it turned into a nasty square wave. I tested with 50hz, 500hz, 5,000hz, and 20,000hz with zero distortion, so I don't think I'll need to replace the head unit? I moved on to the amp and it had zero distortion with the same frequencies. I slowly increased the gain and no distortion whatsoever through the entire range. I tested all channels with the same result so my amps are solid.... Which means I must have blown my speakers when I ran them at full volume. Even though they were set with a multimeter, the clipping must have blew the tweeters in them. I need to find another amp to test them on but I can't think of anything else being the issue. So what should I replace them with? I'm looking at Infinity Kappa 693.9I, is that a good option? It seems like an upgrade over the Fosgates I have in there, it definitely is a price upgrade. Thoughts on a good 6x9 that would cost about 200 bucks? (The kappas are listed for $189 on amazon) [/QUOTE]

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