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Sundown Audio

Need help adjusting amp gain


babumazda3

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That would probably be the issue with not getting the desired output. As to what is causing that, that's what you need to figure out. thats a stock HU? Are you using a LOC or does it have stock RCA outputs?

This is an after market HU. It has stock RCA outputs. The amp is rocford fosgate and it comes with punch eq and other bass boost knobs. I don't want to use them as i've read some where they are bad. At the moment, with gain all the way up, the amp hardly moves the sub.

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Head unit is dead if you have the subwoofer level as high as it goes and only get 0.2v out of it. Unless you are measuring that voltage THROUGH the RCAs. If that measurement is directly from the head unit, then its done, but if it's from the RCA's you might just have dead RCA's.

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You have to be able to supply the power it takes to make the power you want. Is your OEM electrical capable?

A DMM is not a good tool for setting gains.

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