Fi Bl 18" vs 2 15" r's

[mtx11 10+ year member]

i have the planet audio 2250 so what subs will be louder and sound the best .

here is the box i have built already 6.3 cubes 32 hz

http://www.subwoofertools.com/forum/ported-box.asp?Ew=44&Eh=21&Dia=9&Xmax=20.5&Vd=.1&NumW=2&Vb=6.3&Fb=32&Qts=&Vas=&Fs=&CE=1.5

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[TheFiverMan 10+ year member]

Rs!!!!

 

[mtx11 10+ year member]

y do you say that

 

[mtx11 10+ year member]

or 1 fi btl 15 with 2 1500 watt amps going to it in the same box

 

[mlstrass 5,000+ posts]

I don't think that box will work for either with 122^2 of port, but I could be wrong...