Slot Port Centered Sub Up - NSFC caraudiofabrication

port area correction Only difference between slot, circle, and aero ports is flaring for less noise at high velocity Upvote 1 Downvote

How to Tune Subwoofer Box or Vented Design Port Tuning

slot hongkong Port Length Calculator You usually want the numbers to stay within 8 to 13 port area per foot for round ports and 12 to 16 for slot ports

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