gmhracer Posted April 5, 2008 Report Share Posted April 5, 2008 i have some noob questions that i would like to know....mayb someone can help me a little. on a sub what is better 4ohm or 2ohm? what is better 4ohm or dual 4ohm? how do you measure the size box you need?? how do you know how big to make a port on your box? sorry for the noob questions or if i used the wrong terms.. thanks Garrett Link to comment Share on other sites More sharing options...
loganberry Posted April 5, 2008 Report Share Posted April 5, 2008 there is no answer to the coil qusestion...cause they are all the same practically.....they are just the ohm loads those coils take....there are so many differences because they can all be wired differently you can take a dual 4 and make it 2 or 8 final load....most people look at the subs coil configuration from a , will that work with this amp standpoint and im not good on boxes at all, but you can try rockfordfosgate.com reaudio.com they both have box building wizards My F-150 Build GET ON THE BANDWAGON what if they tried messing with the amps when the subs werent louder hahah jk Link to comment Share on other sites More sharing options...
Clif Posted April 5, 2008 Report Share Posted April 5, 2008 Dual Voice Coils will be better cause its like having 2 single voice coil subs in one. Dual Voice Coils (DVC) will usually take more rms power and also have greater ohm configurations 03 Trailblazer EXT LT In Dash Rear Flip Down Polk Audio Font & Rear Stage Hifonics Zeus 4 Chan Amp Hifonics Brutus Mono Amp 12" Rockford Fosgate Power HX2 T-Line tuned to 45hz 18"BTL T-line @31Hz (9 weeks pregnant) Link to comment Share on other sites More sharing options...
Guest Powered By Hate Posted April 5, 2008 Report Share Posted April 5, 2008 Dual Voice Coils will be better cause its like having 2 single voice coil subs in one. Dual Voice Coils (DVC) will usually take more rms power and also have greater ohm configurations You gotta find out what frequency your car resonates at and divide it by the speed of sound and pi or something.. thats how you get a box. Lol. Couple nails later you're beatin. Whatever you do, dont listen to this advice. Link to comment Share on other sites More sharing options...
banginAltima Posted April 6, 2008 Report Share Posted April 6, 2008 You don't want to tune your box to the cars resonate freq. Tune the box lower cause it normally will peak higher then the orginal tuning. If you build it, db's will come... NSPL World Record Holder Trunk 0-1800 watts---147.9 with 1722 clamped watts @ 40Hz(9-20-09). Competition Only Record Holder Trunk 0-500 watts---148.1 2006 Nissan Altima 3.5 SE Currently Rebuilding.... My 150db Plus Trunk Build I do box designs. [benH] 6:24 pm: clipping doesn't really hurt subs [benH] 6:24 pm: being an idiot is what blows subs Link to comment Share on other sites More sharing options...
tejcurrent Posted April 6, 2008 Report Share Posted April 6, 2008 Buy the coil configuration that will best match the amp you have/will have. The size, port area, and tuning of the box will depend on many things from the speaker itself to the vehicle, how much power you're running, listening preference, and several other things. If you want an SPL enclosure normally it will be tuned much higher than one intended for normal music. I would decide how much you want to spend, and what you're expectations are from the setup so people can suggest possible subs/amp combos, and possible enclosure ideas. tejcurrent XS Power T3 Link to comment Share on other sites More sharing options...
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