dbx and martin audio system |
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king david
Young Croc Joined: 17 January 2007 Location: italy Status: Offline Points: 1324 |
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Posted: 02 December 2021 at 9:55pm |
hi
i am setting up a system for a friend...4 x martin audio blackline s18 with 4 x martin audio em186, powered by a lab 3400 for the subs, a qsc rms850 for the midhighs and a qst plx 3002 for the 15". i am using a dbx driverack 260 that i've never used before and it doesnt take too much to set up crossover filters, gains, peq and everything i have found about these boxes in the martin audio settings page. i am not really familiar with some parameters in the limiters section of the dbx 260 like hold and release times and the overshoot so if anyone can help its much appreciated, i have put auto compressor on the stereo inputs, i am setting up as follow ch1+2 667hz to 20khz 24db LR 0 db gain, limiter on, threshold 4db, attack 1ms (Mid-high section) ch3+4 88.4hz to 667hz 24db LR 0db gain, limiter on, threshold 5db, attack 8.1ms (15” reflex) ch5+6 30.4hz to 118hz 24db LR 0db gain, limiter on, threshold 7db, attack 44ms (18” reflex) no delays Between mid and mid highs following Martin audio settings and no delays + overlap on the 15”+18” combination but I will measure in the room and add delays to get a good summation - I think that overlap can help the live bands that would be 90/100 of his program and mostly just put a mic on the kick drum, room isn’t that big when i will set up i will try to measure but it would be nice to have a rough setup before, and a good limiting, as i will probably never babysit his system. i think these boxes can still sound quite nice, I heard them very harsh sounding then I checked the settings and they didn’t make any sense
Edited by king david - 02 December 2021 at 10:39pm |
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Conanski
Old Croc Joined: 26 January 2006 Location: Ottawa, Canada Status: Offline Points: 2543 |
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So it's essentially a reflex system.. ignoring the mid/hi combo. I don't like the low-mid/sub overlap and would be tempted to roll my own processing if time and resources allowed, but I'd use the same 80hz and 650hz crossovers to start with. The PEQ you come up will be the difference between OK and stellar sound out of these.
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