lithium

active processing can be done with the right hu very easily. certainly doesn't require a pc

anyone else check out the bf 4 beta?

haven't tried any of the above but I really enjoy my seinhesser hd558.

define what you need your system to do.

contact db-r or similar for a repair.

why do you think you need 6 volt?

even the popular stinger voltmeter isn't too great, just pay attention with your other senses and you'll be fine.

check the amp fuse with a dmm.

only option i can think of is building kick panels. or sell and buy the right woofer the for job.

with eq dont boost, alway cut.

no, that wont work. thin foam is not an enclosure and the volume would probably be too small anyways. if you knew you couldnt run them IB why did you buy them?

why are you buying Q's? explain your goals a bit better and we could probably figure out the best option for you

http://www.youtube.com/watch?feature=player_embedded&v=e0gvqLZIQss

gotta be photo shopped

you shouldn't be touching the EQ very much so I dont understand the need for an additional item in the signal chain. if you are whats the reasoning for it?

the only headunit eq that was annoying for me was an alpine 9855 with the slider control

the ski pass is probably not creating the resonance effect your describing within the range of frequencies produced by a subwoofer. you might be able to estimate a resonance with this equation. treating the trunk and ski pass as a Helmholtz resonator. v is speed of sound, A is area of ski pass , V is volume of the trunk, L is length of the length of the ski pass.

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m5's just bragging about his tablet install. ignore him haha not sure what the extra eq is for considering you could have gotten a HU with those features if they're really needed.

no one can really answer that. you could model the subs and enclosures with winisd. however that won't determine real world performance in your vehicle.

if the mid and sub is overlapped then there could be cancelation but you're saying that the null still exist with the front stange disable. if the rear speaker holes are sealed and the rear seats are up than that could be the problem.

budget and list of essential features?