Posted June 12, 201015 yr I recently picked up the WT3 and have been playing around with it a bit. But I am a little unclear on a parameter I am supposed to enter in.When having it calculate VAS you need to enter in the Piston Diameter, What should I enter? ie 15 for a 15" driver, 12 for a 12" driver etc. OR Should I enter in a calculated diameter from the Sd? Example a 15" driver is ~12.64", 12" driver ~9.73" etc.Thank you.
June 13, 201015 yr I think it should be the diameter meaured from roughly 1/2 way into the surround. But I would email Parts Express to be sure.
June 14, 201015 yr Author I sent an email out to dayton, just waiting on reply. I'm measuring a 15" driver and there is quite a bit of difference between entering 15 and 12.64 and the stated spec. Manufacture stated spec = 127.8Lentering 15" = 152.5LEntering 12.64" = 76.89L
June 15, 201015 yr What happens if you enter the number by measuring from the mid points of the surround?
June 15, 201015 yr Author What happens if you enter the number by measuring from the mid points of the surround?That is the 12.64" calculated from Sd, taking a tape measure to the driver it is so close I would probably pick 12.75".
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