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Thanks for all your interesting postings. Wish I had more time and $ to work on experimental open-baffle designs using horizontally mounted Neo10s -- and to frequently post here. Thanks for the good suggestion, but don't know yet if my doing infrequent postings would justify starting a new AudioCircle thread .. Miscellaneous comments:Anyway, since I don't need much horizontal dispersion at listening distance at 2+ meters, maybe horizontal Neo10s may be way to go? If $ would permit, four Neo10s for less distortion and maybe go a bit lower in frequency. Also mount RAAL ribbons horizontally and rely on the supplied foam covers to get reasonable horizontal coverage (lobbing)... I wonder what low frequency cutoff Dan Richie choose for the group of four horizontally mounted Neo10s in his new speaker (understood to be a high pass RC filter at shallow 6 dB/oct)? My measurements so far indicate Neo10s are best employed above roughly 275 - 325 Hz. I feel that the RAAL is 'better sounding’ than the Neo3 (IMO, the RAAL 14-15D with amorphous core is the 'best' I've heard yet). BTW I mounted a TC Sounds Pro 5100 18" Neo Subwoofer Driver on a 2' X 2' piece of plywood. The measured response at my usual 2+ meter couch listening location was surprisingly good - far better than the B&C 15" woofer! The 18" especially had far less distortion especially below 300 Hz, and the frequency response plot was smoother up to 300+ Hz (sorry, no pictures yet to post here). The TC Sounds 18" required much less EQ. IMO the 18” is not recommended for use below 50 or 60 Hz because my immediately behind-couch Velodyne DD-15 is preferred (again IMO because at very low frequencies a servo-controlled sub sounds good, and has measurably lower distortion). Again, I don't know yet whether these measurements of the 18" Vs. the 15" indicate that the 18" woofer would subjectively 'sound' better than the 15" woofer. So far, it appears that the 18" should be OK as long as a steep low-pass crossover (say, 24 dB per octave slope) is used for below the 300 Hz area.Dan Richie's glowing description of his new speaker that uses four Neo 10s per side tempts me to go to four horizontally mounted Neo10s -- Maybe a much simpler baffle would suffice (I'm not a sophisticated wood-worker, etc. - also, would probably use RAAL ribbon instead of the Neo3. The OB servo-controlled 8" woofer pairs are 'unobtainium' for me.Maybe someday can investigate refinements like baffle bracing and/or Linkwitz-style rear mounting of the woofers (acoustic decoupling from baffle board), etc.Gotta run for now,Bill
How about a Neo10 above and below the tweeter, plus a Neo10 on each side. Best of Both?Chris H.
Hey StudioTech, if I wanted to have someone build this speaker based on your design, how much could I expect to pay for all parts?
That is a really beautiful baffle. I am curious about the CNC work. Did you create the computer layout for the CNC machine or did you just explain to the technician what you wanted, and then he created the computer layout? If you did it, what software was used?
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