Rerurn to Romy the Cat's Site
In the Forum: Horn-Loaded Speakers
In the Thread: Macondo’s Midbass Project – the grown up time.
Post Subject: Pre-FabPosted by Paul S on: 7/20/2010
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Romy, it is not difficult to find tough plastic and transite pipe in many sizes, including diameters large enough to house your entire woofer, and many types have a range of manufacturered fittings, including sleeves and reducers, that you might adapt for your purposes. As I mentioned before, there is a fitting called a "floor flange" that will adapt pipe to attach to wood, concrete, or whatever. Steam pipe and other industrial piping can be found made of all sorts of exotic materials, with specs dictated by flow rates and resistance to pressure, corrosive effects and/or static build-up. There are several iterations of the Sweet's Catalog, for instance, that list this sort of thing. Not "cheap", but probably faster and much less expensive than machining from billets, especially if you wind up needing a "do-over" at some point.
Best regards,
Paul SRerurn to Romy the Cat's Site