It is how we have been doing it forever and has proven to work fine. The little bit at the end between the vent shelf & the back wall is part of the vent.
dave
That doesn't mean it can't be improved.
Every folding introduces losses, that's a fact. The port dimensions are large enough to have a 'little enough' effect. Bigger ports introduces more mid-garbage exiting the port, which has to be taken care of with the dampening material, which also influences the bass. Every single point might have not have a great impact but it sums up. Why not try it and build one pair with the port up? Really, port folding should be avoided and here it is really no problem to do. That's not for me, that's for you, your future projects and everyone who builds speakers after your plans. The wood is very cheap and I bet it sounds cleaner.
Keep the enclosure easier to build? What kind of joke is that? That's literally the exactly same effort! Not one part more, not one more edge to glue, not one single cut more. How on earth is that more difficult to build?
I can't imagine that is possible. But I'll try again.
Port opening goes up. Port wall parallel to the back. No port folding.
Sry, I can't phrase it any simpler.
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Yes, I've built it that way the first time in 89 I think. It allows bigger dimensioned, longer ports in small to mid sized enclosures. The mids become cleaner, decay waterfall diagram gets cleaner too. Not a change in a huge dimension but still audible. The only possible problem would be if there's a board or bookshelf directly above the speaker blocking the port. You even get a clean front of the speaker.
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