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Amplifiers
Adjusting Gain.. please help
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<blockquote data-quote="c_james_s" data-source="post: 5324631" data-attributes="member: 604946"><p>ok. here is how I would and do tune my stereo: assuming you have all aftermarket equipment with a sub and sub amp, components and 4 channel amp. 1) turn all your gains down on all amps, turn off bass boost, turn off loudness on head unit and if on amp. turn off all crossovers on your deck so you have a clean un filtered signl going to the amps. 2) turn off sub so you can tune the components first. since your gains should be down all the way now, turn your stereo volume up 3/4 of the way. this will now be the loudest you will want to turn the stereo up since it ill start to distort above this volume setting! turn the bass, mid, treb etc to 0 for all and put in a cd that has both good bass , mids and highs that you are familiar with. depending on how many crossover points your amp has 80, 90, 100 etc. I would set it at 80 hz high pass or slightly below since the crossover slopes off. set the volts to arount 3/4 too. now with the music playing adjust the gain until you hear clipping or distortion and back it down slightly from there. now your components are set and you can move on to the sub. 3) follow the same steps you did for the 4 channel amp on this on. if you are using a sealed box than turn off you're subsonic filter since you shouldn't need it, if you are using a ported box than experiment with it on, I never used mine so I have little to no experience with it. I would set the low pass to 80hz or slightly higher for the same reason as before. I use a sealed sub box so my freq response is very linear which is why I like 80 hz as a crossover point. if you are using a ported or bandpass box you might want to specially tune it since you will have a huge peak usually aroun 45-65 hz..... perhaps there is a better way and more scientific ways but this works very well for me. I'm sorry if I left anything out but I am in a hury and don't have the time to proof read. any q's ask</p></blockquote><p></p>
[QUOTE="c_james_s, post: 5324631, member: 604946"] ok. here is how I would and do tune my stereo: assuming you have all aftermarket equipment with a sub and sub amp, components and 4 channel amp. 1) turn all your gains down on all amps, turn off bass boost, turn off loudness on head unit and if on amp. turn off all crossovers on your deck so you have a clean un filtered signl going to the amps. 2) turn off sub so you can tune the components first. since your gains should be down all the way now, turn your stereo volume up 3/4 of the way. this will now be the loudest you will want to turn the stereo up since it ill start to distort above this volume setting! turn the bass, mid, treb etc to 0 for all and put in a cd that has both good bass , mids and highs that you are familiar with. depending on how many crossover points your amp has 80, 90, 100 etc. I would set it at 80 hz high pass or slightly below since the crossover slopes off. set the volts to arount 3/4 too. now with the music playing adjust the gain until you hear clipping or distortion and back it down slightly from there. now your components are set and you can move on to the sub. 3) follow the same steps you did for the 4 channel amp on this on. if you are using a sealed box than turn off you're subsonic filter since you shouldn't need it, if you are using a ported box than experiment with it on, I never used mine so I have little to no experience with it. I would set the low pass to 80hz or slightly higher for the same reason as before. I use a sealed sub box so my freq response is very linear which is why I like 80 hz as a crossover point. if you are using a ported or bandpass box you might want to specially tune it since you will have a huge peak usually aroun 45-65 hz..... perhaps there is a better way and more scientific ways but this works very well for me. I'm sorry if I left anything out but I am in a hury and don't have the time to proof read. any q's ask [/QUOTE]
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