what tune for DD3512e's

[Stryker 10+ year member]

Hey guys

I'm real torn on where to tune these subs at. I have a box made just haven't completed the front side until i decide how long to have the port tube. Each sub has it's own chamber which is 2.25 cubes after displacement. gonna go with a 4" piece of PVC rounded off at both ends is this big enough? each sub is gonna see approx.1200-1400 RMS from it's own PG RSD 1200.1 @2ohm's. These are gonna be street pounders for music(mainly rap) and the occasional test tone. I've done a ton of research and most people who have heard these say tune high. I'm thinking of going anywhere from 34Hz up to 40Hz. Any input would be greatly appreciated.

I have never listened to a DD sub.... just bought them on impulse knowing they are badass from all the stuff I've read. they go loud and pound hard. I have a pg EQ as well as a BASS cube so i can tune one Freq where the box hits hardest. All you DD experts let hear what you have to say.

thx

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[MONSONwarrior Premium Member]

I'm at 38hz and lovin it, pounds lows and still gets loud.