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Ultimate 2-way Desktop Monitor
firev1:
Thats some badassery going down here, which sub driver would you be using? The sub drivers I imagine would make most of the cost really.
Hroðulf:
How do you plan on dealing with early desk reflections?
DaveBSC:
--- Quote from: Hroðulf on April 07, 2015, 08:18:31 PM ---How do you plan on dealing with early desk reflections?
--- End quote ---
Most pro monitor companies do it via a waveguide, but that's not an easy thing to DIY at all. Good performing waveguides are generally computer modeled. Assuming that's not an option in this case, I might suggest trying different tweeter surround options.
Hroðulf:
What about using tweeters with limited vertical dispersion patterns?
Also keep in mind that the woofer might also suffer from early 'floor' reflections. The result would be severe comb effect.
DaveBSC:
--- Quote from: Hroðulf on April 08, 2015, 06:33:05 AM ---What about using tweeters with limited vertical dispersion patterns?
Also keep in mind that the woofer might also suffer from early 'floor' reflections. The result would be severe comb effect.
--- End quote ---
Well in this particular case the tweeters are already in place, so it's a bit too late for that. There would however possibly be an advantage to using a tweeter like the RAAL 70-10D, which naturally has limited vertical dispersion. The downside is that it's over $700 for two of them. RAAL has developed a smaller and more affordable version for OEMs which is used by Ascend Acoustics and Philharmonic, but I don't think you can buy it for DIY. There are a bunch of cheap ribbons from Fountek and Hi-Vi, but they're pretty much all crap. Much more distortion from those than a good Scanspeak Revelator.
The option that I'm curious about for dealing with this is the MTM approach, which has inherently limited vertical dispersion, and no need to tilt the cabinet back to time align the drivers. I'm not sure how MTMs behave in the nearfield though.
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