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Car Audio Help
Wiring, Electrical & Installation
voltage good, still clipping?
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<blockquote data-quote="plexlove" data-source="post: 8493863" data-attributes="member: 659014"><p>A few things....1st...if u have them wired to .7 u wont ever see below that and odds are u wont see below 1ohm in reality....sounds like ur box is not built well at all...barely any bracing and 1 layer thick u said so its gonna be flexing like hell!</p><p></p><p>Thats gonna cause some nasty rise! Id say ur prolly around 3ohms with rise at those lower notes which means they arent seeing much power at all.</p><p></p><p>Fix....rebuild the enclosure properly! Double layer everything and triple baffle...45 all corners and brace the hell outta it...theyre 18s so they are gonna flex hard so build it right!</p><p></p><p>Next...ur ground location is junk. Never use a seatbelt or seat mounting bolt. Ground to the frame. Also u said the rear batts are grounded to the front batt...thats too long of a run...keep it set up that way but also add another ground to the frame in the rear. At least 1 ground per batt...never skimp on grounds.</p><p></p><p>3rd...when u rebuild, tune ur port to 28hz...u tuned higher than recomended then were suprised when it didnt hit lows lol.</p><p></p><p>All in all it sounds like there are numerous issues...poorly built enclosure, way too much box rise, speaker wire is way too small...i use 12g for my mids and highs! Lol 16g is not meant for subs!</p><p></p><p>Ur grounds are bad (which could easily be the cause of the protection) with the speaker wires being burnt up that could have caused it too by shorting out somewhere.</p><p></p><p>Also u said ur gain is 3/4 up? Did u just set it by ear? That sounds too high, so set ur gains properly with a dmm cuz im sure ur clipping the shiznit outta them.</p><p></p><p>Honeslty man, not trying to be mean or rude by any means but the answer to ur question is a simple one...u have just about everything wrong lol.</p><p></p><p>Simple fix...start over and do it right. Its easier to ask questions before u build and get it right the first time than to troubleshoot afterwards and have to rip it all out and start over.</p><p></p><p>I can assure u its not the subs and its not the amp...its user error.</p></blockquote><p></p>
[QUOTE="plexlove, post: 8493863, member: 659014"] A few things....1st...if u have them wired to .7 u wont ever see below that and odds are u wont see below 1ohm in reality....sounds like ur box is not built well at all...barely any bracing and 1 layer thick u said so its gonna be flexing like hell! Thats gonna cause some nasty rise! Id say ur prolly around 3ohms with rise at those lower notes which means they arent seeing much power at all. Fix....rebuild the enclosure properly! Double layer everything and triple baffle...45 all corners and brace the hell outta it...theyre 18s so they are gonna flex hard so build it right! Next...ur ground location is junk. Never use a seatbelt or seat mounting bolt. Ground to the frame. Also u said the rear batts are grounded to the front batt...thats too long of a run...keep it set up that way but also add another ground to the frame in the rear. At least 1 ground per batt...never skimp on grounds. 3rd...when u rebuild, tune ur port to 28hz...u tuned higher than recomended then were suprised when it didnt hit lows lol. All in all it sounds like there are numerous issues...poorly built enclosure, way too much box rise, speaker wire is way too small...i use 12g for my mids and highs! Lol 16g is not meant for subs! Ur grounds are bad (which could easily be the cause of the protection) with the speaker wires being burnt up that could have caused it too by shorting out somewhere. Also u said ur gain is 3/4 up? Did u just set it by ear? That sounds too high, so set ur gains properly with a dmm cuz im sure ur clipping the shiznit outta them. Honeslty man, not trying to be mean or rude by any means but the answer to ur question is a simple one...u have just about everything wrong lol. Simple fix...start over and do it right. Its easier to ask questions before u build and get it right the first time than to troubleshoot afterwards and have to rip it all out and start over. I can assure u its not the subs and its not the amp...its user error. [/QUOTE]
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voltage good, still clipping?
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