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…
Power and Grounding for Audio and Audio/Video Systems
By Jim Brown
Jim Brown presents a collection of good engineering…
A Brief Guide to Microphone Selection and Use for Places of Worship
by audio-technica
A Brief Guide to Microphone Selection and Use…
Microphone Techniques for Recording
by Shure
Shure gives some valuable insight for microphone techniques…