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Originally Posted by nissantunerdude
fixed 
a good HU makes a lot of differance especialy when you are going to be running external amps and subs
Reason #1 they have a higher "pre amp voltage" which means it sends a stronger and cleaner signal through your RCAs to your amp resulting in a cleaner and bolder sound when you turn it up
Reason #2 you have more control over your sound because it will have built in EQ controls meaning you can shape your sound to your liking VS a cheap HU will only have trebble and bass adjustment
on to amps
cheap amps are never a good idea they you will almost always end up with blown speakers and melted amps
Reason #1 a good amp will be more efficent and will stay cooler when running it hard and will consume less power than a cheap no name amp of the same power rating
Reason #2 better amps will have better sound quality because the THD (total harmonic distorsion(sp) ) will be lower which means you will have a much cleaner sound when you crank it up
Reason #3 most mid to high end amps have a "clipping" filter which blocks sharp frequencys that can dammage or destroy subs and speakers
ok i have to go to work right now but this after noon i will talk about subs,boxes,wiring,mid range speakers, and i will even throw in some install tips |
continuing on
on to sub woofers
the most common subwoofer sizes are 8",10",12", and 15" and each of them have their own pros and cons which i am not going to go into each one because that would take forever to explain lol
what you are going to want to look for are some 10s or 12s those are good sizes boxes are readily available just about anywere and depending on what you get you can power them witha realitively (sp) small amp
good subwoofers can actualy consume less power than cheap ones cheap subwoofer almost always have packaging thats like omgwtfbbq 1400watts !!!11 which is bull **** if you put a constant 1400watts to a sub like that you will prolly end up with a fire in your trunk
good subs will have much better sound quaility or SQ and it will produce quicker, tighter bass notes
now a few words about boxes
the most common/poular box designs are sealed, ported, and bandpass but these are just the tip of whats out there for box designs
sealed boxes offer tight punchy bass that will take up less space than other designs and will flow better when going from different music styles such as bass heavy songs such as rap,techno, bass tracks, to less bass intensive music like rock and pop
ported boxes will give you a bit louder sound but require much more space than a sealed box it will provide more of a boomy sound than a tight punchy sound
bandpass boxes are big and heavy offer kinda the best of both of the previous boxs to a certain extent its very hard to tell when your sub starts to distort and can lead to blown subs unless you are very familiar with how you subs are supposed to sound
on to mid range speakers
there are several different types but the most common are 2 and 3 way speakers which each one has has more tweeters 2way speakers have the woffer and 1 tweeter 3way speakers have the woofer and 2 tweeters
2 way speakers are good and are usualy pretty resonably priced
3 way speakers will give you more high end sound and usualy cost a little more
and heres a few things about wiring
when wiring you amp you want to use the right size wire for you amp bigger si usualy better but there is overkill when it comes to these things
power wire needs to be the right size because if you use wiringthat is too small your amp will work to hard to pull the power that it needs and will not work as efficently as it should and will create more heat and can possibly burn up the amp
ground wire is also very important it plays a big part in SQ and in amp efficentness ground wire will usualy be around the same size as your power wire
and your ACC/remote turn on wire this can be smaller normaly i use 14g wire for any amp i install
now heres a few things to know when installing car audio
wiring harness adapters are your friend and are well worth the 6-7 bux because you dont want to start cuting factory wiring
and the same goes for speakers get the adapters it will make things much easier
sometimes you will have to get a dash kit for your HU to fit right theres no way around it unless you are a bad ass fabricator so get the kit and your life will be much easier
when running wire through holes put a rubber gromet in the hole this will keep the metal from cutting the wire and creating problems later on down the road
secure loose wire with zip ties when it cant be tucked under door sils and trim plates
when making connections use butt connectors the type that crimp on these will give you a good tight and clean connection
when grounding your amp try and get it as close as you can to your amp and use a utility knife and cut a small square carpet out and take a file or putty knife and scrape the paint off the metal giving you a nice clean surface and attach a ring terminal to your wire the secure it to the spot that was preped with a self tapping screw be carful not to dammage anything under where you put your screw
ok on to what i recommend
HU- Pioneer DEH-P3800M
mid range speakers- well i cant give you specific cause i dont know what they are going in but i would check out some pioneer speakers
subs- i would try to get those mtx 6000s
amp-sony XM2002GTR wired down to 2ohms it would be perfect for those subs
that i think pretty much covers it if you have any more questions feel free to ask
<-- Car audio nub aka "What's a good set up?"
