Posts

Showing posts with the label port

Subwoofer Ports

Image
Subwoofer ports (a.k.a vents) are interesting things.  In a previous post I provided some background into how ports worked , in this post I am going to dig a little deeper into port design, a.k.a. port tuning. Flared Ports with Wooden Connector Rings The Port Formula There is a formula that you can use to design a port, since formulas tend to scare people away and there plenty of tools available to do the calculations for you this blog post will focus on understanding the four main parameters that you need to think about when designing a port.  Tuning Frequency Enclosure Volume Port Cross Section Port Length We can manipulate any three of these four items and the formula dictates the forth parameter.  For this post we are going to examine how the tuning frequency, enclosure volume, and port cross section influence the length of the port.  It is very important to understand the impact of these four parameters as they will determine the size, shape and sound of our subwoofer.  We need to