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Old 27th February 2012, 07:32 PM   #981
phusis is offline phusis  Denmark
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After one year of work my Universe is ready
Looks great
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Old 27th February 2012, 08:04 PM   #982
rajacat is offline rajacat  United States
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Very, very, very nice.
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Old 27th February 2012, 10:43 PM   #983
noah katz is offline noah katz  United States
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Yes, a work of art!

What type of design is the Sorcerer's Apprentice cap woofer section?
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Old 28th February 2012, 07:02 AM   #984
jzagaja is online now jzagaja  Poland
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Waveguides and horns
Beyma Power 15 in a closed box (5.5 cu. ft.)
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Old 28th February 2012, 08:07 AM   #985
phusis is offline phusis  Denmark
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Beyma Power 15 in a closed box (5.5 cu. ft.)
What is the x-over point to the BMS coaxial comp. driver? A down firing woofer, I imagine, could result in problems with the lower mids when crossed too high, but am guessing it represents no issue in your case.

Nice to see a closed box configuration.

EDIT: with regard to sonics only, I'd recommend you may try removing the banana plugs from the wires to the BMS unit. Maybe it makes no difference, maybe you've tried already

Last edited by phusis; 28th February 2012 at 08:12 AM.
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Old 28th February 2012, 08:35 AM   #986
jzagaja is online now jzagaja  Poland
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Waveguides and horns
Crossover points (acoustical) roughly 350Hz, 6500Hz.
Attached Images
File Type: png xo_uni.png (20.7 KB, 597 views)
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Old 28th February 2012, 08:49 AM   #987
phusis is offline phusis  Denmark
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Thanks.

Rare, outside this type of drivers, to see one driver/diaphragm covering the very important frequency range from 350-6.5kHz, and then there's the high sensitivity to boot as well.
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Old 28th February 2012, 06:56 PM   #988
noah katz is offline noah katz  United States
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I just noticed something - why does the 12BR100 have much higher distortion at 4 kHz with 80m dB output compared than with 100 dB output?

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12BR100 vs. 12BR70 (old data).
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Old 28th February 2012, 07:17 PM   #989
jzagaja is online now jzagaja  Poland
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Waveguides and horns
Looks like an artifact. It's old data. Zaph should have more recent.
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Old 28th February 2012, 09:02 PM   #990
djn is offline djn  United States
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Very nice J.
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