ive got a 15" lanzar max pro sub with a depth of 7.64"i wanna build the correct box for it and im just after the right desighn/measurements qnd type of wood to use for the best resault. sorry about spelling

Here's a link to there website:
(http://www.lanzar.com/sku/MAXP154D/Max- ... -Subwoofer)

Google sub box calculator, you will be able to choose between sealed/ported enclosure. With the specs from the site input into the calculator. For an easy build just go sealed.

something like 20-30mm mdf will work fine.