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<blockquote data-quote="maljr1980" data-source="post: 7305041" data-attributes="member: 632618"><p>Ok a few weeks ago I had this problem where once I got to a certain volume one of my door speakers would drastically cut off in volume, it still played but very low, so I switched around speaker connections, RCA connections etc and could make it happen to various speakers so I concluded the amp was fine.&nbsp; Took it to a shop and they couldn&#039;t verify whether the cd player had a bad output but they said an RCA was bad at least, said the put a tone meter or something on it.&nbsp; So they ran a new RCA.&nbsp; Worked fine for like a month.&nbsp; Today my 4 channel started going into protect when I went past a certain volume, or certain volume/sub level setting.&nbsp; Basically if i turned sub level down i could turn volume up slightly more, then when i turned sub back up 4 channel would go into protect.&nbsp; I pulled the replacement rcas out and had no problem with the amp with the still intact rcas connected, switched them to the other channel, no problems.&nbsp; All connections solid, power cell showing good voltage, digital fuse under hood reading 14.6 off main battery.&nbsp; Plugged both rcas back in and no pro blend on drive home.&nbsp; Last year i had a plastic speaker terminal melt and catch my stuff on fire, subs and amps are new, batts, cd player, door speakers, and front to backs are old.&nbsp; Possible bad preout on deck related.&nbsp; Could a shorting out preout force my 4 channel into protect?</p></blockquote><p></p>

[QUOTE="maljr1980, post: 7305041, member: 632618"] Ok a few weeks ago I had this problem where once I got to a certain volume one of my door speakers would drastically cut off in volume, it still played but very low, so I switched around speaker connections, RCA connections etc and could make it happen to various speakers so I concluded the amp was fine. Took it to a shop and they couldn't verify whether the cd player had a bad output but they said an RCA was bad at least, said the put a tone meter or something on it. So they ran a new RCA. Worked fine for like a month. Today my 4 channel started going into protect when I went past a certain volume, or certain volume/sub level setting. Basically if i turned sub level down i could turn volume up slightly more, then when i turned sub back up 4 channel would go into protect. I pulled the replacement rcas out and had no problem with the amp with the still intact rcas connected, switched them to the other channel, no problems. All connections solid, power cell showing good voltage, digital fuse under hood reading 14.6 off main battery. Plugged both rcas back in and no pro blend on drive home. Last year i had a plastic speaker terminal melt and catch my stuff on fire, subs and amps are new, batts, cd player, door speakers, and front to backs are old. Possible bad preout on deck related. Could a shorting out preout force my 4 channel into protect? [/QUOTE]

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