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In Reply to: RE: System for DJs question posted by TerryE on November 09, 2008 at 07:56:37
What drivers are you using?, I hope 2" throat drivers, as they
will handle much more power. I could see that the "scatching" would
send all kinds of high freq's to the horns, I think I would use
a really good x-over or limiter to filter that somehow.
Follow Ups:
The Peavey SP1G have a 1.6 throat with a 4" VC and 8 ohms (80 watts Cont./160 watts PGM). The amp I use is a Soundtech PS802 which is 400W @ 4 ohms per channel. Two cabs per channel total 4 ohms and I usually dial the volume on the amp at about 1 o'clock.
Ditch the Soundtechs. Buy some used Crown MAs in good shape. Buy more amp than what you need so that you have at least 3dB or more headroom. Or, buy some of the Crest amps and keep the money all in Hartley's pocket.
The amps on this rig I used were (1) Soundtech PS802 (400w @ 4 ohms/ch) for the highs, (1) QSC PLX3402 (1100w @ 4 ohms/ch) for the mids to power (4) SP1Gs and (2) Yorkville A4.4s (1100w/ch) to power (4) 2x18" subs.
I think the amps are fine but I need to set the compression ratio higher and the limiting lower for DJs to keep the HF circuit in the speakers from going thermal like smcdonie said. I checked but didn't change the settings on the Driverack. Throughout the years it has worked flawlessly for doing sound for live bands at festivals (50Hz-16kHz,+/-3dB), but todays Hip Hop music has very rumbly lows (20-30 Hz) and clacky highs (16kHz and above) maybe fine for home and car systems but this compressed music at levels of bands are dangerous to speakers so more limiting and filtering is needed.
But thank you.
Remember that harder compression can add distortion. if you have a threshold that is too low.
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