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Junior Varsity
Blowing up Event RCFs, how do not?
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<blockquote data-quote="Rob Timmerman" data-source="post: 207410" data-attributes="member: 172"><p>The best way to protect the rig is to make sure that the rig is adequately sized for the expected use. Barring that, there are a few other things you can do.</p><p></p><p>Adjusting the limiter settings can improve the protection if the failures are thermal in nature (burned voice coils, cones don't move). Setting the long-term limiter to 3dB below the RMS power of the speakers will protect against whatever abuses may happen upstream, at the expense of output. And make sure that the limter is the *last* thing in the signal chain before the amplifiers.</p><p></p><p>If the failures are excursion-related (torn cones or surrounds, broken voice coil wires), you'll need to make sure that your HPF is set above the box tuning frequency, and is sufficiently steep. The manufacturer-supplied settings should meet these requirements.</p><p></p><p>What gain structure exists prior to your system shouldn't matter if your system is configured properly, and while DJs have a bad reputation, there are plenty of band engineers that have blown up rigs as well.</p></blockquote><p></p>
[QUOTE="Rob Timmerman, post: 207410, member: 172"] The best way to protect the rig is to make sure that the rig is adequately sized for the expected use. Barring that, there are a few other things you can do. Adjusting the limiter settings can improve the protection if the failures are thermal in nature (burned voice coils, cones don't move). Setting the long-term limiter to 3dB below the RMS power of the speakers will protect against whatever abuses may happen upstream, at the expense of output. And make sure that the limter is the *last* thing in the signal chain before the amplifiers. If the failures are excursion-related (torn cones or surrounds, broken voice coil wires), you'll need to make sure that your HPF is set above the box tuning frequency, and is sufficiently steep. The manufacturer-supplied settings should meet these requirements. What gain structure exists prior to your system shouldn't matter if your system is configured properly, and while DJs have a bad reputation, there are plenty of band engineers that have blown up rigs as well. [/QUOTE]
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Blowing up Event RCFs, how do not?
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