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This is my fourth "decent attempt" at designing a ported box for a UXL-18. There were other attempts, but I dare not post their laughable WinISD graphs here. 
I downsized from 16 to 12CF. I lost about [email protected], but other than that, everything else looks better, especially port velocity and cone excursion. 1st PR is 142Hz.
Same 15Hz tune, same modeled with 2,200 watts, same 24db/oct bandpass of 14Hz/80Hz.
Please have a look at the attached screenshots and share your thoughts with me. If your thoughts are "Stop messing with WinISD and start making sawdust!" trust me; I'm with you on that. Thanks.
I downsized from 16 to 12CF. I lost about [email protected], but other than that, everything else looks better, especially port velocity and cone excursion. 1st PR is 142Hz.
Same 15Hz tune, same modeled with 2,200 watts, same 24db/oct bandpass of 14Hz/80Hz.
Please have a look at the attached screenshots and share your thoughts with me. If your thoughts are "Stop messing with WinISD and start making sawdust!" trust me; I'm with you on that. Thanks.
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