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Car Audio Help
Wiring, Electrical & Installation
Initial DSP 408 Setup
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<blockquote data-quote="Jeffdachef" data-source="post: 8686303" data-attributes="member: 650438"><p>i'm pretty sure we all told you to not have anything in the rear audio wise but too late now.</p><p></p><p>first did you buy the bluetooth dongle for that dsp? How are you getting signal right now? make sure you go to advanced > mixer tab on the bottom and raise the levels up on there.</p><p></p><p>make sure the supplied in line capacitor not used for the tweeters. Go to advanced settings, then go to output tab on the bottom and where the crossover section is and use high pass for channels 1 and 2 and for the frequency play around anywhere from 5000hz to 10,000hz depending how it matches up with your mids play around with the slopes to see what sounds best. high pass is cutting off everything underneath that frequency slowly attenuating it. The slope is how fast it cuts off. 6 db slope will play a lot of musical information below the crossover point while a 24 db slope will block most of everything below that point.</p><p></p><p>For your channel 3 and 4, for high pass try anywhere from 63 to 150hz and again, play with the slopes. For low pass anywhere from 2500hz to 5000hz, again play with slopes. Low pass is cutting off anything above that frequency. you have the tweeters high passed and the mid low passed so they dont play the same frequencies as each other which fks up the SQ.</p><p></p><p>channel 5 and 6, high pass same as 3 and 4. Low pass leave it wide open at 20,000hz.</p><p></p><p>7 and 8 low pass would be anywhere around 50hz to 80hz depends on where your midbass response drops off aka where you settled with on the mids.</p><p></p><p>we will work on the delay and EQ after.</p></blockquote><p></p>
[QUOTE="Jeffdachef, post: 8686303, member: 650438"] i'm pretty sure we all told you to not have anything in the rear audio wise but too late now. first did you buy the bluetooth dongle for that dsp? How are you getting signal right now? make sure you go to advanced > mixer tab on the bottom and raise the levels up on there. make sure the supplied in line capacitor not used for the tweeters. Go to advanced settings, then go to output tab on the bottom and where the crossover section is and use high pass for channels 1 and 2 and for the frequency play around anywhere from 5000hz to 10,000hz depending how it matches up with your mids play around with the slopes to see what sounds best. high pass is cutting off everything underneath that frequency slowly attenuating it. The slope is how fast it cuts off. 6 db slope will play a lot of musical information below the crossover point while a 24 db slope will block most of everything below that point. For your channel 3 and 4, for high pass try anywhere from 63 to 150hz and again, play with the slopes. For low pass anywhere from 2500hz to 5000hz, again play with slopes. Low pass is cutting off anything above that frequency. you have the tweeters high passed and the mid low passed so they dont play the same frequencies as each other which fks up the SQ. channel 5 and 6, high pass same as 3 and 4. Low pass leave it wide open at 20,000hz. 7 and 8 low pass would be anywhere around 50hz to 80hz depends on where your midbass response drops off aka where you settled with on the mids. we will work on the delay and EQ after. [/QUOTE]
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Initial DSP 408 Setup
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