Sonicelectronics is the place I usually go to. I just linked the crutch field site for convenience. I always shop compare but W6 subs are often cheapest on either Amazon or Ebay. I think I'll just go with the HO112. It's really not very big at all, especially for a ported, 12" box and plus JL designed the box for this sub so I think I would do better going this route than either building my own or testing the waters with something completely different.
@Bikouchu35 said:
Don't order from crutchfield they overcharge an arm for them usually. Order from another cheaper yet authorized site. I have a type r alpine which sounded pretty decent on a aftermarket hu with eq adjustment, but if its stock hu than forget it.
Not to hijack the thread, but I am considering throwing in some polk audio components front. Just wondering how did you hook up the crossover or would it be easier to use the factory ones in the car. Did your jl speakers needed aftermarket amp to shine or does stock power does a decent enough job without?
My front's are the JL C3-600. It came with a crossover and is powered by a JL Xd-500/3 amp. How well speakers sound with stock power is dependent on a couple of things but If they are rated for very much more than 20 watts RMS, that means your deck won't provide enough sufficient power to do them justice...often resulting in less output an more distortion. Normally, if you use your deck's output, you want speakers that are high sensitivity (at least 93db @ 1 watt) and rated around 10-20 watts rms. Alpine makes a very small amp that's meant to hide behind your deck or under your dash to replace the head unit's built in amp.
To get the most efficient use out of amp and speaker is to get an amp that puts out a bit more power than the speaker's rated rms. Decent quality speakers can handle more power easily and are often under rated and Polk is a fine brand, ( it's the exceeding of thermal or mechanical limits that kills speakers.) So if you're Polks are rated at 75 watts rms, you would likely want 100-125 rms but at the very least use a 75 watt amp..and not no Boss audio over rated amp either ( some brands rate their power as peak power or with high distortion). Set the gains on the amp properly using test tones and digital meter of course so you don't clip your amp. ( note on test tones, technically your suppose to plot what frequencies your music peaks at but as a general rule, just use the normally recommended ones but instead of 0db, you want -3 up to a -10db because music is dynamic so you'll get more power from your amp once you adjust the gain to the correct voltage using the test tones, one for each type of speaker. so a sub with rock music, you might want 50 hz tone at -10db's, Rap would be 40 hz at -3 perhaps)
Of course typically with decent components, even deck power would sound just fine, probably better than the stocks but it's likely you will lose on the mid bass region which is important frequency range to have for blending in with the subs....a good setup will sound like all your bass is coming out of your front speakers and your front speakers will sound like they are higher up and farther ahead of you (which get's into time delay's..etc)
Good car audio get's complicated but really it's not that hard once you learn and using generalization's it can still sound great. If you have more questions, feel free to ask. I'm no pro but I've hanged around the car audio forums for enough years to get the gist of things :)
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