mfdoom7 Posted January 21, 2019 Report Share Posted January 21, 2019 i have Pioneer gm-d9601 it can do 1200w rms 1ohm. my question is will 15" @1100w rms make same spl as 12" @900w rms. or surface area makes more louder 15" one ? Link to comment Share on other sites More sharing options...
Joe X Posted January 21, 2019 Report Share Posted January 21, 2019 Greater cone area definitely translates in more loudness BUT the 15" sub will need a larger box, now one needs to know exactly what subs are you talking about and in which boxes to tell you what are the net differences between them. It's always a good idea to use larger size subs as long as you have the space for them. Link to comment Share on other sites More sharing options...
mfdoom7 Posted January 21, 2019 Author Report Share Posted January 21, 2019 http://edgecaraudio.com/en/subwoofers/edb12d2x-e7 or http://edgecaraudio.com/en/subwoofers/edb15d2x-e7 Link to comment Share on other sites More sharing options...
Joe X Posted January 21, 2019 Report Share Posted January 21, 2019 The 15" is the red plot on 3 net The 12" is the orange plot on 2 net These are compared on the same 900W power but the 15" can take 1100 RMS so it can even perform better. In this case I would go for the 15" as long as you can fit a proper box in your vehicle. Link to comment Share on other sites More sharing options...
mfdoom7 Posted January 26, 2019 Author Report Share Posted January 26, 2019 so 1 18" will be even better @sameish power ? Link to comment Share on other sites More sharing options...
Kyblack76 Posted January 26, 2019 Report Share Posted January 26, 2019 2 hours ago, mfdoom7 said: so 1 18" will be even better @sameish power ? Naw,... over 15.00978" of cone, you start to lose output. SMD SUPER SELLER The Burban Build Blazer Build sold Acura trunk build sold Link to comment Share on other sites More sharing options...
mfdoom7 Posted January 26, 2019 Author Report Share Posted January 26, 2019 for that 15" woofer will L port do fine or aero port ? i can get an aeroport 4 inch ports 15.7 inch lenth both sides flared and it can be cut to lenght. right now i have 1 12" with flare port i kinda like that. i want best possible box size vs output ratio. i was thinking T line with 12" but with 15" it will take up all trunk but it will play nice lows. Link to comment Share on other sites More sharing options...
Joe X Posted January 26, 2019 Report Share Posted January 26, 2019 7 hours ago, mfdoom7 said: so 1 18" will be even better @sameish power ? The box for a 18" is significantly larger, not all vehicles can fit such sub properly, if you can and depending on the sub you may and usually do get greater output for the same power. Link to comment Share on other sites More sharing options...
Joe X Posted January 26, 2019 Report Share Posted January 26, 2019 4 hours ago, mfdoom7 said: for that 15" woofer will L port do fine or aero port ? i can get an aeroport 4 inch ports 15.7 inch lenth both sides flared and it can be cut to lenght. right now i have 1 12" with flare port i kinda like that. i want best possible box size vs output ratio. i was thinking T line with 12" but with 15" it will take up all trunk but it will play nice lows. Any type of port will do fine as long as it's the right size, the best way to know what needs to be done is posting what vehicle you have and max dims for a box, also what amp you are going to use. Link to comment Share on other sites More sharing options...
mfdoom7 Posted January 26, 2019 Author Report Share Posted January 26, 2019 vw passat b5 and amp is in description. i will aim 15" woofer @35hx L port or aero. ive heard that aero ports are superior and can do lot output. also peaky frequency respons is not that great. i could either use RE box calculator or for aero port http://www.psp-inc.com/tools2.html calculator. or im doing something wrong ? Link to comment Share on other sites More sharing options...
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