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In Reply to: RE: "Two Streams Paradigm" speakers? posted by Duke on October 25, 2016 at 14:34:43
You say that the Prismas use "pattern control", which would seem to imply that their dispersion pattern is superior to that of more typical front-firing speakers. Or, is this simply another way of saying that the Prismas are optimized for placement near walls or corners?
Edits: 10/26/16Follow Ups:
The rear-firing tweeter on the Prisma is compensation for the rectangular front horn's radiation pattern, which is narrower in the vertical plane than in the horizontal.
When I match up the horizontal radiation patterns of the woofer and horn in the crossover region, the reverberant field is "cheated" by the rectangular horn's narrower pattern in the vertical (which isn't necessarily all bad, as it reduces floor and ceiling interaction, and allows closer vertical center-to-center spacing of woofer and horn). The rear-firing tweeter adds just enough energy to the reverberant field to make up for the shortfall. The critical timing cues, as far as imaging goes, are all in the first-arrival sound.
Adding an essentially full-range rear-firing (or up-firing) section is a somewhat expensive proposition, both in drivers and in cabinetry. I've explored several driver options and settled on a part custom, part off-the-shelf solution which should allow me to do a Two Streams floor-stander in the same general price ballpark as the Prisma. It will have enough adjustability that against-the-wall placement will be feasible, and maybe even corner placement.
Duke
Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.
OK, I'm guessing that your Prisma product page needs updating because the current specs make no mention of a "rear-firing tweeter"...Can you post pics of the new style Prisma speakers?
Edits: 10/27/16
You're right! Somehow the info on the rear-firing tweeter got dropped. Thanks for letting me know!
The "entry level Two Streams" speaker won't be a Prisma variant, it'll be its own thing. Soon as I have a production pair ready I'll take pictures, but I have a bit more prototyping to do first.
Duke
Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.
I'm sure your new speaker will be at least as interesting as the Prisma is, or was.
IMO, your best looking speaker (so far) was the Jazz Module from several years ago. Any plans on going back to the circular horn shape?
I would prefer to reply to you privately, but your profile doesn't accept e-mails. Could you e-mail me?
Thanks!
Duke
Me being a dealer makes you leery?? It gets worse... I'm a manufacturer too.
Email sent.
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