OK HERES WHAT I NEED SIMPLE QUESTION. I NEED A GOOD SET OF BOX SPECS FOR A OLD STYLE CERWIN VEGA STROKER 12 I JUST FOUND ONE NEW IN THE BOX AND I WOULD LIKE TO BUILD AN ENCLOSER WORTHY OF THE SPEAKER I PLAN ON POWERING THIS SUB WITH EITHER A OLD PPI ART SERIES 600 WATT AMP OR A CADENCE Z SERIES 1000 WATT AMP FROM A FEW YEARS BACK THE MODEL WITH THE CLEAR UNDERSIDE TO THE AMP OR THE THIRD OPTION IS A LITTLE LOWER POWER BUT MAYBE SUITABLE IS THE THIRD CHANNEL ON MY XTANT 603A WHICH I BELIEVE IS 300 WATTS ANY SUGGESTIONS