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Setting Gain with Multimeter Problems
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<blockquote data-quote="los33" data-source="post: 8285918" data-attributes="member: 660834"><p>Your current system headunit will not produce a higher preamp since 99% stock headunits with rcas or not were made in a certain way to keep voltage down which is keeping preamp from 1v to .2v.</p><p></p><p>That pioneer amp even tho it does rated power that would be enough to run your sub the preamp is way to low.</p><p></p><p>Your only chance to actually make your stock h/u work is to get a higher watt amp so it can produce a higher voltage at a lower amperage meaning:</p><p></p><p>1. a 300 watt amp getting only .3 -.6v will only see max 80-110 watts.</p><p></p><p>2. a 600 watt amp getting only .3 - .6v will see 200-340 watts</p><p></p><p>but that is with rca coming from stock h/u.</p><p></p><p>If you choose to get a real loc then you will see much higher voltage getting better wattage.</p><p></p><p>Or get a amp capable of inputing speaker outputs from the h/u so the amp its self can act as a loc sort of aka high level input.</p><p></p><p>To summarize this all do not expect much from a stock h/u rca unless you can regulate the amperage from rca.</p></blockquote><p></p>
[QUOTE="los33, post: 8285918, member: 660834"] Your current system headunit will not produce a higher preamp since 99% stock headunits with rcas or not were made in a certain way to keep voltage down which is keeping preamp from 1v to .2v. That pioneer amp even tho it does rated power that would be enough to run your sub the preamp is way to low. Your only chance to actually make your stock h/u work is to get a higher watt amp so it can produce a higher voltage at a lower amperage meaning: 1. a 300 watt amp getting only .3 -.6v will only see max 80-110 watts. 2. a 600 watt amp getting only .3 - .6v will see 200-340 watts but that is with rca coming from stock h/u. If you choose to get a real loc then you will see much higher voltage getting better wattage. Or get a amp capable of inputing speaker outputs from the h/u so the amp its self can act as a loc sort of aka high level input. To summarize this all do not expect much from a stock h/u rca unless you can regulate the amperage from rca. [/QUOTE]
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Setting Gain with Multimeter Problems
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