It’s just a subwoofer, so the crossover is @ 65-80 hz, but is there any benefit to offsetting the driver position to the pipe resonance other than the obvious affect at the higher freqs? (The vent and driver are in the same position as well?)
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That second one doesn't have that huge suckout above 100 Hz. Even with a crossover that's not so above the crossover range. I've come around to thinking that the smoother the response looks the smoother it sounds...it just stands to reason, right?
Indeed! I want any 'bad' BW at least -24 dB and preferably -35 dB away where our hearing acuity is basically gone.
How come the built enclosure looks like the 1st model?
Never mind, I can see now that the 1st model would have the port starting at the rear of the enclosure.
Never mind, I can see now that the 1st model would have the port starting at the rear of the enclosure.
I made a smaller version/test box with tangband 5” drivers and cut a hole in both ends of that big first fold/chamber to see what happened with a driver at either or both positions. That pipe resonace is REALLY loud if the driver is at the closed end or if two drivers are installed
