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Hm, it is complicated. In context of ported enclosure (or passive radiator) it is imposable to talk seriously about the box resonance as a speaker/driver has no own sound but rather a summation of zillion resonances, aftersounds and the rest dirt that come from a port. The bass reflex enclosures allow getting good SPL at LF but it hardly has any relation with good bass. At least I never head any worth attention ported implementations. Furthermore I has 3-4 years ago a friend of my dropped in my room his small ported loudspeakers, juts to hold them in here for a couple days. I put them in corridor of my room; perhaps 15 feet form my playback, or courses with even connecting them to anything. Then I noted that my bass because kind of screwy by adding some howling into Sound. I spend a few days chasing the problem and then I discover that I was able to fix the problem as soon I was just coved the ports of those ported monitors.
So, I have no knowledge or understanding how and the ported enclosures work. I have seen some of them and regardless what theories they use for this design it was always was possible to put ear to the box and hear how the enclosure “pings” as different frequencies. I do not know hoe it manifest itself in the general sound but I believe the ported boxes do not indicate any sound of the drivers “as is” but rather already mixed sound of the sonic mad coming from a have polluted driver. All my feelings about the drivers and enclosures sound should be view only in context of sealed boxes…
The Cat
"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
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