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John Murray is a 35-year industry veteran who has worked for several leading manufacturers, and has also presented two published AES papers as well as chaired numerous SynAudCon workshops. He is currently the principal of Optimum System Solutions, a consulting firm based in Colorado.
Latest Posts by John
Tuning A System With FFT: Getting It Close Without Listening
You’ve just acquired a 3-D, FFT-based measurement system and are ready to use it to tune a sound system. (Oh, you haven’t? Then…
Proper Signal (Time) Alignment—Getting Loudspeaker Drivers In Sync
Since the early 1980s, the term “time alignment” has been tossed around pretty freely, and with dubious degrees of accuracy. Note, however, that this…
What’s A Watt? Clarifying Audio Power & The Amplifier/Loudspeaker Relationship
Years ago, only car stereo makers would advertise “2,000 Watts Of Earth-Shaking Power!” But with the recent shift to switching power supply amplifier topology, we’re…
A Primer On Ethernet Cabling For Digital Audio
Context, specifics and rules of thumb for the multiple twisted pair stuff we call CAT-5 and CAT-6
Exploring Converging Techniques For Tuning Line Arrays
Viewpoints from "in the trenches" versus the ivory tower of a "factory marketing geek"
What’s The Measurement? Understanding And Properly Using RTA & FFT
The difference between sound that’s “OK" as opposed to spectacular
Clearing Up Misconceptions About Constant Directivity Horns & Doubling Of Distance
CD horn compensation? 3 dB loss per doubling of distance?
Everything You Wanted To Know About Line Arrays (And Then Some)
What's really at the heart of how they work?
Contracting Corner: The New Fire Code Could Equal Big Business
It may be the biggest thing to increase the bottom line since everyone decided they had to have an 8-box line array system...
Remembering Albert Leccese, May 11, 1953 – July 17, 2010
“He treated everyone like they were a million-dollar customer, like they were Bruce Springsteen, even if they were just some young kid.” - Ken Toal, Audio Analysts