Tuning for XXX 15

[Live4SkimLC 10+ year member]

I currently have an 05 XXX 15 running off an MD2 in a 4 cube box at 32 Hz. But I think I could make a better box. Now, I could go with a custom fit fiberglass box with round port tubes. If I do this, How long/big would the tubes have to be (it'd still be a 4 cube box) and how would sound? I could rebuild my box to be 4 cubes at 27 Hz as recommended, would I notice a difference? And finally I could go with a bigger box, around 5 cubes, but I think I would lose significant SQ. Any suggestions? I have an SUV, so plenty of room to work with. Thanks

Live4Skim

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[iamamp3pimp 5,000+ posts]

if you went with the came sized box and lower tuning, it would slam out the lows much much better.

if you went with the larger box, and the recommended tuning, it would slam out the lows even better.

how do you like your music to sound?