So I'm about to order dual 4" ports but to tune to 33Hz I'd have to increase the length from 9" single to 19" dual.
Also was thinking of Tuning it to the FS of Sub 29Hz. (30" Port).
When does the length of the port begin to hit a exceeding length?
Subwoofer:
DD712 1Ohm
Also was thinking of Tuning it to the FS of Sub 29Hz. (30" Port).
When does the length of the port begin to hit a exceeding length?
Subwoofer:
DD712 1Ohm