Is it always meaningful to talk about T60?

by Ray Rayburn In this article, Ray Rayburn helps us understand…

Low-Frequency Loudspeakers Cancellation – Black Hole Sum

By Dale Shirk At the Loudspeaker Arrays Workshop, Kurt Graffy…

Manifold Drivers – How Much Additional SPL is Realized.

Two drivers can be manifolded onto a single horn to achieve increased acoustic output. But "how much "is not as straightforward as one might think.

Polarity 101 – Some subtleties regarding device polarity

Since most sound reinforcement equipment uses bipolar power supplies (allowing the audio signal to swing positive and negative about a “zero” reference point), it is possible for signals to become inverted in polarity (flipped over).

Understanding Horn Directivity Control

Pattern control is essential in sound reinforcement systems. The beamwidth of a horn is determined by some key size/wavelength relationships. Charlie provides a short history and an overview of the math.

Susceptability in Microphones

by Jim Brown In the last newsletter, we saw how RF voltage coupled…

Isolation and Signal Distribution

by Pat Brown A common task in Audio Land is the need to feed…

Pads 101

by Rick Chinn Rick will help you understand the proper used of…

Sound Radiation Breakdown

by Dale Shirk A “modular” theoretical approach can explain…

Mic Splitters

by Jim Brown Jim Brown will give you some insight on passive…