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The W frames they are in are fine. If you wanted to put in some extra effort, you could build some H frames and line the H frames with NoRez. I'm a fan of no-void baltic birch for sub cabinets, that stuff is really quite rigid. OB subs will roll off a bit in the lowest octaves, but you also have to understand that you'll get room gain in those same frequencies. So my best advice is to build it and amp it straight, no EQ at all. Take some measurements and then add EQ based on what your measurements say.
Looks like a great find!! Vas is missing from your list of specifications, but I'd suggest you put the parameters into a box modeling program (eg Unibox), that will tell you how much power you need to get them to full excursion and should tell you whether they are suitable for downfiring (which those are, sortof). Set the box volume to a very large number.If your situation allows for it, try putting them close to you (with added delay).
Vas is 490 Litres. Winisd is the modelling software of choice on my regular forum, not heard of unibox, would it be better for this application?
Or are you just making a generalisation and saying 'closer is better'?
1.) Are these drivers appropriate for open baffle usage?2.) How can I get the most out of them? 3.) The drivers are rated for 600Wrms, is that enough for good output in the lowest octaves?4.) Anything else I should be aware of or careful of whilst using them?
In my experience the combination of QTS, FS and XMAX on those looks fantastic for OB use.If you like the sound, I'd be leaving well enough alone.You have TONS of swept area there with 4x18. Should be a great experience!
I don't use WinISD but I expect it would be fine.Considering the box sizes involved, I'm thinking the builder of these did the right thing No, I'm saying you might want to try putting them close to you. I'm not quite following your explanation of the geometry but if you can get the other one to a meter away (say on either side of you) you might find that "interesting"...
Yes.As is.Yes.Yes,don't piss off the neighbors.Regarding placement, is it possible to place them each against both side walls, 1m out from front wall?
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