Question on my dd 3512 e enclosure

[Bassbumper15 10+ year member]

I got a box made the other day and its 33w x 14.5h x 14d. with about 3^ft. with about 50 - 55sq inches for the port. I have a Dual 4ohm DD 3512 e Sub

I got an amp thats pushing about 1500 watts rms to it, but its not sounding hard enough for me. What might the problem be? They told me the box was tuned to about 32 - 35 hz. I included pics of the box/sub and the amp's pic/specs

http://aycu26.webshots.com/image/50105/2000771566274893818_rs.jpg

http://aycu16.webshots.com/image/47735/2000760083637051472_rs.jpg

http://aycu23.webshots.com/image/51542/2000784147593275386_rs.jpg

http://aycu02.webshots.com/image/48521/2000765676766570978_rs.jpg

http://aycu38.webshots.com/image/48277/2000703436348113669_rs.jpg

http://aycu38.webshots.com/image/48277/2000780202114109884_rs.jpg

It has bass like a mofo, but I still feel like it can do more, a lot more. I have an autotek 1900.1D

# 1900W 1-Channel D Class Mono Amplifier

# 1900W RMS x 1-Ch @ 1-Ohm

# 1500W RMS x 1-Ch @ 2-Ohms

# 1000W RMS x 1-Ch @ 4-Ohms

http://www.caraudiodeals.com/autotek-ss19001d-1900w-rms-class-mono-block-super-sport-amp-p-1236.html

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