It is excursion that limits power. While a driver may be limited to 50V, it should not be constantly run up to 50V. If you are hitting 1/2 voltage and it is not loud enough, double the cab count, assuming everything else is working properly. Doubling the power gains 3dB, but increases heat produced in the voice coil causing power compression. Doubling the cabs gains 6dB, with no additional heat produced.yigba wrote:Being that we're concerned with displacement killing the sub drivers moreso than any type of thermal meltdown
Max Voltage during Live Sound???
Re: Max Voltage during Live Sound???
I know money often seals the deal, but seriously, quality is an investment, not an expense... Grant Bunter
Accept the fact that airtight and well-braced are more important than pretty on the inside. Bill Fitzmaurice
Accept the fact that airtight and well-braced are more important than pretty on the inside. Bill Fitzmaurice
Re: Max Voltage during Live Sound???
Thanks for the info.
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Re: Max Voltage during Live Sound???
IIRC, in Bill's sub designs, as an example, the lab12 reaches both Xmax and thermal limits at the displacement limit of 50V.yigba wrote: Being that we're concerned with displacement killing the sub drivers moreso than any type of thermal meltdown I understand the limiting rationale but that is effectively cutting our average output in half. In order to get that output higher you should figure out the best way to compress the mix, but not too much so that you kill the dynamics. Then simply limit the peak voltage thereafter, which theoretically should allow the average to be higher because the peaks of the mix will be slightly compressed and lower.
Current mixdown methods, by and large, in recorded music, nowdays have the end result compressed to the nth degree. So some compression in live mixing can't hurt in that regard, to up the average.
Still, it's a knife edge. Remember, in the plans, it talks about amp transients. Mostly, that's what you're trying to stop. Along with displacement limiting for any given driver...
Built:
DR 250: x 2 melded array, 2x CD horn, March 2012 plans.
T39's: 4 x 20" KL3010LF , 2 x 28" 3012LF.
WH8: x 6 with melded array wired series/parallel.
Bunter's Audio and Lighting "like"s would be most appreciated...
DR 250: x 2 melded array, 2x CD horn, March 2012 plans.
T39's: 4 x 20" KL3010LF , 2 x 28" 3012LF.
WH8: x 6 with melded array wired series/parallel.
Bunter's Audio and Lighting "like"s would be most appreciated...
Re: Max Voltage during Live Sound???
And the transients are what drive me nuts. In live sound the kick drum is mostly the one channel that has those transients. The bass channel sometimes also.
I hate that I have to lower the overall volume just to deal with those transients.
I hate that I have to lower the overall volume just to deal with those transients.
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Re: Max Voltage during Live Sound???
Compressors on those two channels help. And knowing the player and what to expect.yigba wrote:And the transients are what drive me nuts. In live sound the kick drum is mostly the one channel that has those transients. The bass channel sometimes also.
I hate that I have to lower the overall volume just to deal with those transients.
6 - T39 3012LF
4 - OT12 2512
1 - T24
1 - SLA Pro
2 - XF210
"A system with a few knobs set up by someone who knows what they are doing is always better than one with a lot of knobs set up by someone who doesn't."