Comparison

[Eclipse GST 10+ year member]

They will both be in a ported box with about 1000watts rms

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[SBLAZER]

cmon man, be 4real. juss get the type R already. lmao. u wont be disappointed man

 

[iagrdshaka 5,000+ posts]

blah

 

[Eclipse GST 10+ year member]

thankyou blazer Ill take that as 1 vote for the type R

 

[flakko 5,000+ posts]

i voted MA just becaues i think 18's are cool

 

[Raven 10+ year member]

The 18 has the obvious upper hand in efficiency. Since all your after is output, +1 for the MA.