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Wiring, Electrical & Installation
Clipping(?) with two 12" Pioneer subs
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<blockquote data-quote="Jeffdachef" data-source="post: 8526419" data-attributes="member: 650438"><p>The gain is not on a scale of 1-100% its there just to match the pre-out voltage coming from the head unit. so if you head unit is 4 volts, you only need to go up to a certain point on the gain knob and you are already at 100%. In my buddy's setup which a sony head unit which is a 5 volt pre-out, gain was at 1/6, less than 20% and we already got max clean output from the amp. Anymore was complete clipping. The head unit volume level, sub level, loudness, bass EQ and bass boost all affect the pre-out signal strength. The other thing that affects pre-out signal strength is the bass in the recording. rock and pop music has a lot weaker bass levels vs hip hop and hip hop is a lot weaker than bass enhanced music. If you set the gains for normal music to get full output out of the amp then suddenly play bass enhanced stuff, you completely dirtied and distorted the signal. Basically telling a 120lb guy to deadlift 500lbs. He'll do it and get injured doing so.</p><p></p><p></p><p>bass boost, loudness and bass EQ all off or at 0 on the head unit. No bass boost on the amp. Head unit right around 75% of max volume. Sub level at 0. Play your bass enhanced music and set the gains for that. When it stops getting louder, that means you've maxed out, back it off a bit.</p><p></p><p>Now when you play weaker bass music, you can raise the sub level on the head unit accordingly. Just remember to lower it when you play heavier bass music.</p></blockquote><p></p>
[QUOTE="Jeffdachef, post: 8526419, member: 650438"] The gain is not on a scale of 1-100% its there just to match the pre-out voltage coming from the head unit. so if you head unit is 4 volts, you only need to go up to a certain point on the gain knob and you are already at 100%. In my buddy's setup which a sony head unit which is a 5 volt pre-out, gain was at 1/6, less than 20% and we already got max clean output from the amp. Anymore was complete clipping. The head unit volume level, sub level, loudness, bass EQ and bass boost all affect the pre-out signal strength. The other thing that affects pre-out signal strength is the bass in the recording. rock and pop music has a lot weaker bass levels vs hip hop and hip hop is a lot weaker than bass enhanced music. If you set the gains for normal music to get full output out of the amp then suddenly play bass enhanced stuff, you completely dirtied and distorted the signal. Basically telling a 120lb guy to deadlift 500lbs. He'll do it and get injured doing so. bass boost, loudness and bass EQ all off or at 0 on the head unit. No bass boost on the amp. Head unit right around 75% of max volume. Sub level at 0. Play your bass enhanced music and set the gains for that. When it stops getting louder, that means you've maxed out, back it off a bit. Now when you play weaker bass music, you can raise the sub level on the head unit accordingly. Just remember to lower it when you play heavier bass music. [/QUOTE]
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Clipping(?) with two 12" Pioneer subs
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