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WinISD Pro question

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DJ-Versatile View Drop Down
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    Posted: 04 May 2016 at 9:54am
When modelling a box and keeping an eye on cone excursion, If i'm making a double 18" box do i have to change the power input to the rms value of both drivers together? What i mean is, i have 2 drivers rated at 1200w rms, so do I put 2400w in the system input power to get an accurate idea of individual cone excursion? or do i put 1200w in as that's the most each driver will get fed?

Thanks in advance
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mobiele eenheid Quote  Post ReplyReply Direct Link To This Post Posted: 04 May 2016 at 10:29am
You put in the total power the 2 drivers will see combined, each will get half that. If your amplifier delivers more than 2400 W per two drivers, you put in that number instead. Excursion-wise there shouldn't be a difference between a single 18" at 1200 W and a double 18" at 2400 W.

Don't forget to simulate a proper high pass as well, assuming you're going to use that.

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