Limiting amplifier output via LMS |
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shagnasty
Old Croc Joined: 30 July 2007 Location: Guildford, UK Status: Offline Points: 7685 |
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Posted: 21 May 2017 at 5:00am |
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Pretty much that is it, either out limit, risk appalling Audio Quality and have moronic sense of complacency that will even leave you surprised when your rig is in tatters... OR Set up correctly and get a washable Cricket Bat!!!! If you can't afford a BSS 402 then you have the option of using a Digital in which kinda makes limiters obsolete, even crap box Pioneer Multi-channel distortion pedals (DJM series) offer SDIF out that will direct drive the AES/EBU of a DCX...
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RoadRunnersDust
Young Croc Joined: 03 December 2013 Location: United Kingdom Status: Offline Points: 561 |
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TL;DR
Limiters cause destruction. Don't use them. Don't take your system out into the wild because you'll get pregnant and die. The end. Edited by RoadRunnersDust - 21 May 2017 at 3:44am |
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RoadRunnersDust
Young Croc Joined: 03 December 2013 Location: United Kingdom Status: Offline Points: 561 |
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The problem is that output limiting will 'remix' the balance of the system.
Signal gets pushed too hard>>> one frequency band gets limited (usually the sub or bass)>>> limiting makes the rest of the system appear louder as the signal gets pushed hard whilst raising the RMS energy of the limited band>>> signal gets pushed EVEN HARDER because it's sounding a bit shit and louder = better if you're the kind of cocksnorkler that pushes into limiting>>> drivers get blown/amps get cooked/gig gets ruined OR Get your gain structure right on the outputs and limit your inputs>>> Signal gets pushed into limiting>>> Frequency that's causing limiting makes the entire system limit>>> System retains balance. 'Hold' on the limiter causes entire system to duck down for a few seconds as the limiter starts pumping against the peaks. It'll be obvious what's happening>>> Visit to the spunktrumpet behind the decks introducing him to a cricket bat>>> Night continues, job done, no expensive recones. |
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Conanski
Old Croc Joined: 26 January 2006 Location: Ottawa, Canada Status: Offline Points: 2537 |
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You're running this rig yourself correct, if you can manage to keep the levels in a sensible range then you don't need anything extra and the limiters will do exactly what they are supposed to do.. prevent accidents.
Edited by Conanski - 21 May 2017 at 12:58am |
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RoadRunnersDust
Young Croc Joined: 03 December 2013 Location: United Kingdom Status: Offline Points: 561 |
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DPR-402 in front of the DCX would be an input limiter...
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Futendra
Registered User Joined: 28 April 2016 Location: Belgium Status: Offline Points: 276 |
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So now what? |
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Conanski
Old Croc Joined: 26 January 2006 Location: Ottawa, Canada Status: Offline Points: 2537 |
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Futendra
Registered User Joined: 28 April 2016 Location: Belgium Status: Offline Points: 276 |
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How do I limit input on multiple crossover points on the DCX? |
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njw
Old Croc Joined: 26 March 2010 Location: S. Wales Status: Offline Points: 2574 |
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And once again Shaggers speaks sense.....
Edited by njw - 20 May 2017 at 11:17pm |
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njw
Old Croc Joined: 26 March 2010 Location: S. Wales Status: Offline Points: 2574 |
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The problem with this is, yes, if your limiters are set correctly then they will stop the amps from clipping, however, with everything wound up the system may then be into heavy limiting which will increase the average power to your drivers and overheat the voice coils.
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shagnasty
Old Croc Joined: 30 July 2007 Location: Guildford, UK Status: Offline Points: 7685 |
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An AVC2 is a piece of crap used by people that can't run a rig.
Get a BSS DPR-402 if you must, it craps all over the AVC2 for rig protection, the AVC2 is used in venues with un-manned rigs really, a BSS 402 infront of your DCX will make you system more bombproof than the Formula sound by a long shot, also if the DJ really rags it, it will instantly control the level and ultimately sound shit so you can ask the DJ to re-gain quality by pulling off the level. having run some VERY big TMS rigs i have never blown a driver or set a limiter in my life. |
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Futendra
Registered User Joined: 28 April 2016 Location: Belgium Status: Offline Points: 276 |
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It's basically to prevent any mistakes from happening. We're also thinking about buying an AVC2, just to be safe. |
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