Members jlb Posted May 4, 2012 Members Share Posted May 4, 2012 Just wondering if the default settings for my peak voltage limiters are adequate. It was recommended by crown that I use these default settings. JBL could not give me a straight answer. Peak Voltage limiter: .010 sec attack, 1 second release I am using these settings for the SRX 718, 715 and 712. Voltages range between 100v and 120v. 715 and 712 are running passive. RMS limiter default settings are set at 4 second attack and 6 second release. Link to comment Share on other sites More sharing options...
Members agedhorse Posted May 4, 2012 Members Share Posted May 4, 2012 Close enough. You can do a lot of damage with 4 seconds of attack, meaning that the peak limiter is what is the first line of defense and I would be inclined to set the RMS limiter no no more than the rated RMS level (I would probably use .75x for an installation that I was responsable for warranty) and the peak at no more that 1.5x the RMS rating converted to peak voltage. I would probably use something around 1 - 1.25x the RMS rating converted to peak voltage. I would also size the amps to this level as everything else is throwaway anyway. Link to comment Share on other sites More sharing options...
Members dboomer Posted May 4, 2012 Members Share Posted May 4, 2012 I'd use something like 10 ms (you're showing 100 ms?) for attack and .5+ for release (you'd have to listen). Are you also using limiting for the average level? If I only had one limiter I'd be much more worried about the average level causing speaker damage. It also depends on whether or your amps have built-in limiting (which IS peak limiting) Link to comment Share on other sites More sharing options...
Members jlb Posted May 4, 2012 Author Members Share Posted May 4, 2012 My RMS limiters are set at a little more than half the rated RMS levels. The ITech can deliver lethal power to these speakers if not set up properly. Some of you may have seen a post of mine before about one of my techs toasting a pair of 718's. As it turned out the RMS limiters were mistakenly disabled during a bass heavy show. I do mostly light rock shows, instrumental and, Jazz music so whenever I do see limiting (very rare, but can happen when musicians get out of control and start clipping inputs) I assume it must be the peak limiters kicking in. Thanks for the reply's Aged/Don. Link to comment Share on other sites More sharing options...
Members jlb Posted May 4, 2012 Author Members Share Posted May 4, 2012 I'd use something like 10 ms (you're showing 100 ms?) for attack and .5+ for release (you'd have to listen). Are you also using limiting for the average level? If I only had one limiter I'd be much more worried about the average level causing speaker damage. It also depends on whether or your amps have built-in limiting (which IS peak limiting) .010s =10ms right? Link to comment Share on other sites More sharing options...
Members dboomer Posted May 4, 2012 Members Share Posted May 4, 2012 sorry ... my bad for trying to read on my phone. I'm sitting in an airport in Brazil today. Link to comment Share on other sites More sharing options...
Members agedhorse Posted May 4, 2012 Members Share Posted May 4, 2012 sorry ... my bad for trying to read on my phone. I'm sitting in an airport in Brazil today. Sucks to be you!!! (assuming it's a work trip) Link to comment Share on other sites More sharing options...
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