Size Matters! A Different Perspective on Plane Wave Tubes…

Campbell’s Corner – By Dick Campbell

This articles looks at how plane wave tubes operate.

Dr. Patronis, in the SynAudCon Newsletter V36, #2, Spring 2008, gives us Part 6 — his elegant explanation of acoustical behavior in a pipe. He calls it a ‘plane wave tube’, but I have always called it a ‘standing wave tube’ (SWT). Theoretical considerations are shown along with calculations illustrating the bandwidth limitations – he shows how size matters! The SWT [1] has been an essential tool in acoustical measurements for many decades. Here we will have a different look at how they operate.