Hi, I just picked up a ZVX8-D4, it will be here Monday. I'm working on modelling a box. I've tried 2 versions of WinISD and Speakerboxlite, both give me a different calculated Qts than the published. Is this normal? Am I doing something wrong?
2Ohm
Published: FS 41.8Hz, Qms 3.6, Qes 1.25, Qts 0.76
Qts calculated: 0.928
4Ohm
Published: FS 40.0Hz, Qms 7.60, Qes 1.15, Qts 0.72
Qts calculated: 0.999