Re: is this rite? (port size)
The larger diameter port the longer the port will have to be. The larger diameter port the better, there is less chance of noise from air moving through it.
You probably don't want to use a 1" diameter port... Something like two 3" ports should be more than enough for that sub.
If you want better sound quality, and really low bass tune to something like 30hz, if you want more SPL (loudness/output), tune to something higher. I would tune low, I don't think that sub is really a SPL sub, and I think your running more than rated power to it, so keep the gain on your amp down.
I think in a 2.25ft^3 enclosure, with 2 - 3" ports, tuned to 35hz, the ports would be something like 11" long, and tuned to 30hz, the ports would be something like 16" long, although you would have to calculate in the displacement of the speaker.
*EDIT* - Actually, that sub has a FS (resonance frequency) of 31.3hz, so tune at least a little higher than that, 33hz+ is great.
Last edited by ShakinSupra; 06-26-2004 at 03:07 PM.
86.5 Toyota Supra
Nakamichi CD-45z Head
Kicker KX600.1 Mono Amp
Eclipse Titanium 12" SW9122 Sub
2 cu. ft. spare tire enclosure ported @ 33hz
Sony XPlod 75x4 4ch Amp
...hasn't xploded yet...
Infinity Kappa 6.5 - 60.5cs Front
Stinger, Tsunami, and PG Wiring.
00 Celica GT-S