3 12"s vs. 3 15"s

[RcRacerDrew 10+ year member]

Well ive decided to go with the new Elemental K series but i cant decided on 3 12s or 3 15s. Im running 2000 watts to the 3 speakers but i dont know what the main dif. will be? How noticably more loud will the 15s be? I just want to ensure that the speakers will do well with all types of music like jazz and drum solos - hardcore rap with long hits. I just want it to be loud and maintain SQ..what everyone wants right? haha...well any suggestions or comments would be awsome! Thank you all! -Drew

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[cliff4060 10+ year member]

3 15s of courcse if you can install them properly they will outdo the 312s by a considerable amount. Around maybe 6-10db???

 

[RcRacerDrew 10+ year member]

oh wow! thats a big jump...how do 15s handle in sealed boxes? I dont have the room for a ported box..any ideas what type of numbers i would throw up with 3 K series 15s with 2000 watts rms and a well built sealed box? Like a 3cu.ft.

 

[cliff4060 10+ year member]

Each 15 would need around 2 cubic feet to operate properly inside of a sealed box, 3 cubic feet is only enough space to run 2 of most any 12" subwoofer that will no way be enough space for 3 12"s and definitely not enough for 3 15"s.

 

[bumpin_blazer 5,000+ posts]

i have to agree with cliff on this one. you only want to give a total of 3cuft not including displacment for 3 15"s?? they won't like it at all i mean you won't be giving them even 1 cuft a piece after displacment.

adam

 

[RcRacerDrew 10+ year member]

well i figured the area of my trunk and i have 11.775 cu. ft. so i can allow whatever size box for 3 15s.. whats the big dif between ported and sealed?

 

[bumpin_blazer 5,000+ posts]

you can theoreticaly gain 5 db going to ported you just lose SQ. well if you have 11cuft to make a box you might have enough for 3 15"s

adam

 

[Prophet 10+ year member]

go with the 3 12's. The 15's will only rip ur car apart. I have two in 2cf chambers, they rip'd spoiler from the trunk. Wasn't a good idea to have it anywayz. But guess'n that ur trunk goes around 3ft across, it would be better to go with the 12's to get any type of good sound. Then you could near ur woofers max cu ft and get deeper base.