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Hi Guys
I am trying to model a Dayton UM 18-22-18 Ultimax driver. Everything works fine until I try and get the cone excursion on the chart .
I have tried several times to delete and reload this driver specs with the same result . I have double checked and rechecked values so ltr’s are entered as ltr’s etc .
The rms for this driver is 1000w so l have entered 1000w into signal ( system input power ) and checked the rear port velocity and it reads 3 very good yea then l check cone excursion and there is nothing on the chart because it’s way off the chart.
l dropped the power down to 1 watt and we have a reading of zero for the rear port velocity.The main driver cone excursion is showing on the chart but dissapears into the never never . I don’t have a problem’s with any other driver only this one .
Any ideas would be appreciated.
Cheers
Adrian
 

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