ok guys, i want an technical explanation on why, do Circular/PVC ports tend to move more air Vs Slot ports? now before i get some smart asses in here saying that a port is a port and port area is port area, ive did testing over the years, and using the exact same sqin of port same tuning, pvc/ circular ports had a bit more air movement. What are the reasons for this? ive also noticed that Square ports, not rectangle also had a bit more air flow using same port area and tuning.
Xander and all the other guys chime in and talk away! i want technical info on why does this occur! i thought port area was port area and air should still move at the same velocity/speed/distance using same box and setup.
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