Another comparison. *Just Look*

[Eclipse GST 10+ year member]

(1) 15'' Power acoustick MOFO, powered by 2 Hifonics Brutus BX1500D's. It would be in a 4.5CF ported enclosure tuned to 33Hz.

OR

(2) 12''Type R's Powered by (1) Hifonics Brutus BX1500D. In a 4CF ported enclosure tuned to 35HZ. Which would give me more SPL.

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[PhatTonyDeMarco 5,000+ posts]

If you tuned a bit lower, 30

 

[PhatTonyDeMarco 5,000+ posts]

If you tuned a bit lower, 30

 

[Eclipse GST 10+ year member]

Ill go with 28Hz. But can you name some good amps to run it.