Nipper1 mentioned a tacky adhesive treatment, would have live in a completely dust free environment, or they would start to look awful after some time.
Fortunately, the cones are the color of dust ha ha! I really wanted to dope the back side of the cone but that's not an easy thing to do; small, tight geometry. This is the same tacky adhesive they use on cloth pleated woofer surrounds and some linen or other "cloth" dome tweeters. It really did clean-up the sound so well worth the effort. I'm glad to see the new Pluvia 7 P HD; it appears this newest design may "fix" all of my concerns and complaints about the Alpair 7P. I'll find out eventually as I am going to get a pair of the P7PHD's .
Actually looking at this again and getting the factory to do some more maths I can get the MOQ down to 1000 which is more doable I guess. Price to the end user would look to be about $38-40 a pair. which is about £1100 for a pair of Dave's mock ups above. We'd need 18 people to make that doable.
What the hell. If we could get inter-hemisphere shipping sorted, or find some other creative solution for delivery to the UK antipode, I'm happy to sign up for 50X.
So, New Zealand, then?
NZ, give or take a few nautical miles. If a group buy actually started to look viable, I could come up with alternative delivery locations in US or Taiwan. While I doubt we can get numbers, I'm serious about the prospect.
Nor me, I've just been stacked out with work. I'll try and build some Frugel-horns for the Pluvia 7P/HD next week. I've not figured out what to do with the little CHN 50 yet
FWIW: https://www.diyaudio.com/forums/ful...-fostex-tb-dayton-seas-etc-2.html#post5770896
They'll go in FHL too of course.
I am going to put the CHN-50 into a set of uMar-KenPlus flat-paks i have.
Stefan, you might get a mail from a fellow in NL looking for FH3 for a set of Coral Holey baskets.
dave
Cheers Dave, I can't seem to see the dims for those drivers anywhere. You got a link or a document?
Yes, CHR-70 with Eminence Alpha 15a woofers. Lots of fun. I imagine the new drivers will do much better, but like other said, with helper woofers.
I am also running CHR-70s OB with a Goldwood 10 inch "OEM" as a helper woofer. I had to pad the MA down some to match the woofer's lower efficiency but I think it sounds really nice in this application. I am considering some sort of Alpair 7 for another project (sealed or possibly PR) largely as a result of my experience with the CHRs. I just need to figure out which version is the most apropos.
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