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<blockquote data-quote="SunUpNeverdown" data-source="post: 8697355" data-attributes="member: 678573"><p>This is how I tune my amp. Get a 3.3 microfarad 100v non-polarized capacitor from parts-express.com for like 55 cents or something like that and hook it up to the positive terminal of any small speaker or tweeter and run some wire from it and of course run a wire from the negative terminal. Unhook your subs from your amp and Hook up the distortion detector you just made to your amp like you would your subwoofers mono. Turn your head unit up 3/4s of the way and play a 40 hz test tone from YouTube. The Sonicelectronix -3db one will be at the top. Choose that one. Make sure your gain is all the way down then when it starts playing the tone slowly turn your gain up until you hear the little speaker start to make a humming sound then back off a little bit until it stops and your amp is tuned. If you can turn it up all the way without hearing a noise then your head unit has a bad signal or your rcas are bad. Replace whatever is bad. But if you like your head unit and don’t wanna replace it and your rca wires are good and it’s your head unit sending a weak signal then get a line driver to hook your rcas up to then to the amp to increase the signal. And get more rcas for the line driver. About $20 or get a small rca wire for about $10. Then you can find a line driver for about 50 or 60 dollars. Some are cheaper and some are more expensive.</p></blockquote><p></p>
[QUOTE="SunUpNeverdown, post: 8697355, member: 678573"] This is how I tune my amp. Get a 3.3 microfarad 100v non-polarized capacitor from parts-express.com for like 55 cents or something like that and hook it up to the positive terminal of any small speaker or tweeter and run some wire from it and of course run a wire from the negative terminal. Unhook your subs from your amp and Hook up the distortion detector you just made to your amp like you would your subwoofers mono. Turn your head unit up 3/4s of the way and play a 40 hz test tone from YouTube. The Sonicelectronix -3db one will be at the top. Choose that one. Make sure your gain is all the way down then when it starts playing the tone slowly turn your gain up until you hear the little speaker start to make a humming sound then back off a little bit until it stops and your amp is tuned. If you can turn it up all the way without hearing a noise then your head unit has a bad signal or your rcas are bad. Replace whatever is bad. But if you like your head unit and don’t wanna replace it and your rca wires are good and it’s your head unit sending a weak signal then get a line driver to hook your rcas up to then to the amp to increase the signal. And get more rcas for the line driver. About $20 or get a small rca wire for about $10. Then you can find a line driver for about 50 or 60 dollars. Some are cheaper and some are more expensive. [/QUOTE]
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