Loudspeaker Power Ratings – Why all the Fuss About Power?

By Pat Brown Loudspeaker power ratings is a confusing topic in…

Loudspeaker Pairs – How Close Are They?

Tools of the Trade - By Pat Brown Does two like loudspeakers…

TetraMic™ – Sights and Sounds of Commonwealth Stadium

A mic array allows the realism of a college football rivalry to be captured

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…

Sound Radiation Breakdown

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

A Brief Guide to Microphone Selection and Use for Places of Worship

by audio-technica A Brief Guide to Microphone Selection and Use…