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<blockquote data-quote="willis72" data-source="post: 134128" data-attributes="member: 546133">im running JL Audio 500.1 and 2 12w3v2 subsjust put it in last week and i havent had alot of time to mess with the settings, gains, slight port adjustments etc.Honda Preludes are a bitc* when it comes to rattles. ive dynamatted everything and im still getting alot of rattles.anyways, it sounds like crap right now and i need some help on whyports are tuned to 33 hz and im using an external active xover set at 90 hz (18peroctave)im using 4 inch ports on the same side as the subs in 4 cubes of volume total for both subssubs are facing back and the box is big but there is at least a foot between the subs and the trunk lid (i took the speakers in the back out to allow air to move into the car)heres why i think why it may sound like crap, please let me know what you think-ports are too small and maybe tuned too high-parcel tray doesnt allow enough sound to pass through into the car-too much of the cars interior is rattling (what is a good way of stopping the actual plastic in the car from rattling??)-trunk not big enough for sound to develop???-crossover set too high (am i better off using the built in xover on the jl amp?- what is a good xover point and bass boost frequency for rap?)i dont know the sound just doesnt sound clean, even when i open the trunk and nothing is rattling.i appreciate any help or input</blockquote>

[QUOTE="willis72, post: 134128, member: 546133"] im running JL Audio 500.1 and 2 12w3v2 subs just put it in last week and i havent had alot of time to mess with the settings, gains, slight port adjustments etc. Honda Preludes are a bitc* when it comes to rattles. ive dynamatted everything and im still getting alot of rattles. anyways, it sounds like crap right now and i need some help on why ports are tuned to 33 hz and im using an external active xover set at 90 hz (18peroctave) im using 4 inch ports on the same side as the subs in 4 cubes of volume total for both subs subs are facing back and the box is big but there is at least a foot between the subs and the trunk lid (i took the speakers in the back out to allow air to move into the car) heres why i think why it may sound like crap, please let me know what you think -ports are too small and maybe tuned too high -parcel tray doesnt allow enough sound to pass through into the car -too much of the cars interior is rattling (what is a good way of stopping the actual plastic in the car from rattling??) -trunk not big enough for sound to develop??? -crossover set too high (am i better off using the built in xover on the jl amp?- what is a good xover point and bass boost frequency for rap?) i dont know the sound just doesnt sound clean, even when i open the trunk and nothing is rattling. i appreciate any help or input [/QUOTE]

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