QSC Ref Monitor System - AVS Forum
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post #1 of 10 Old 10-20-2013, 10:55 AM - Thread Starter
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QSC just came out with a new speaker. Wish we could get a hold of their new waveguides. Subs use Lab12's and the compression driver appears to be the coax BMS they use on their larger cinema horns. I really like the looks of the dual 12's underneath. 6 Lab12's (LCR) up front crossed over to an appropriate sub would work "pretty" good.

http://www.dcinematoday.com/dc/pr.aspx?newsID=3420
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post #2 of 10 Old 10-20-2013, 05:01 PM
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Interesting to see that they don't bring in the midrange compression driver until 1200 Hz....they actually call the BMS elements 'HF' and 'VHF'. smile.gif
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post #3 of 10 Old 10-20-2013, 05:17 PM
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that's funny. looks like a diy project. definimax midrange, lab12 (with upgrade to 3" voice coils)?

I wonder what it will cost. $500 for coax, $300 for other three drivers?, $200 for box? retail $4k?

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post #4 of 10 Old 10-20-2013, 06:29 PM
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port area looks low for a driver like the lab12... esp considering it should be an UPGRADED lab 12.
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post #5 of 10 Old 10-21-2013, 02:39 AM
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good observation. the small enclosure kind of dictates an undersized port though. seems like a marketing decision.

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post #6 of 10 Old 10-21-2013, 04:47 AM
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The sub is not really a subwoofer. Its more like a mid-woofer that extends the response of the top box a bit and give some more headroom.

SPECIFICATIONS
Rated Coverage Angle (-6 dB) Omnidirectional
Frequency Range1 (-10dB) 30 Hz to 120 Hz
Crossover Frequencies 80 to 120 Hz (selectable) up to 48 dB/oct using dedicated Q-Sys DSP
Rated Noise Power (Voltage)2 1000 W
Sensitivity3 96 dB
Maximum continuous SPL4 120.5 dB
Maximum peak SPL4 126.5 dB
Rated Impedance 3Ω
Recommended Amplifier Power 1000 W
Transducers 2 x 12 in. (305 mm) Kevlar-reinforced paper cones, 3 in. voice coils

http://qsc.com/products/Loudspeakers/Reference_Monitor_System/RSB-212/
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post #7 of 10 Old 10-21-2013, 05:29 AM
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subwoofer means different things in the pro audio world.

here is a pair of lab12's in 4 cubic feet tuned to 38hz. sensitivity 94db (1 watt, probably 96db with 2.83v into 4 ohms), -10db point 30hz before eq.

seems tuned a little high for a "studio subwoofer" though. that much is a little weird.


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post #8 of 10 Old 10-21-2013, 08:47 AM
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And the enclosure is ven smaller than that, like less 3 cubic feet internal...
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post #9 of 10 Old 10-24-2013, 10:13 AM
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Not just the linked product, but throughout their current lines .... IMO it's nice to see QSC approach such offerings with such design choices, I'm all for 'em.

------------------------------------
Flat, Deep, Clean, Linear, and Loud
------------------------------------
Active 16.8kw, 7.3 system
(3)Seaton Cat12C up front, (4)QSC K8 sides/rears
(2)Seaton SubM-HP, (4)18" IB
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post #10 of 10 Old 10-24-2013, 10:17 AM
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says the guy with 4350's in his avatar. :-)~

the sheer scale of those things is in part what made them...both great and extinct?


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