A 36.5" x 17" x 14" cabinet is perfect for a TAD 1602. Use a rectangular port that's 3.1" x 5.5" and 4.4" long, and your cabinet will work very well.Check your E-Mail - I've sent you the crossover schematics. Use a Zobel woofer damper of 8 ohms and 20uF across the woofer with this crossover.