Axial Sensitivity – Sense and Sensitivity

By Jeremy Johnston One of the many specifications included in…

Small Room LF Design Dimensions or Ratios?

By: Jeff D. Szymanski, PEFor at least the past 6 decades, acousticians…

What's a DLL? and when do I need one?

By Pat Brown This article addresses some specifics of the direct…

Which Impedance? Nominal Minimum / Maximum Average

By Pat Brown This article addresses three dominant reasons for…

Sound System Autopilot

Theory and Practice - By Dale Shirk Today’s electronics can…

Using All Pass Filters to Improve Directivity Response

By Charlie Hughes In this article, Charlie will how all pass…

Think Digitally

By Steve Macatee Welcome to a recurring column on many things…

Common Loudspeaker Format (CLF) News

By Pat Brown An update on Common Loudspeaker Format (CLF) . The…

Fixing the Drywall Box

A low budget solution to a common acoustical problem Theory and…

"In Situ" Absorption Coefficients – Part 2

The best data comes from actual measurements. The acoustical absorption of a surface can be measured “in situ” with almost any measurement system. Here is a method and some caveats.