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Latest Posts by Bill
Dirty AC Power? Where To Lay The Blame For System Noise Problems
Replacing myth and misinformation with knowledge and clear understanding
Determining When “Isolated Grounding” Is Needed
If electrical wiring, from main breaker panel to outlet, consists of Romex and plastic J-boxes, an “isolated” or “technical” ground system is already in place.
Invaders From Outer Space: Electromagnetic Radiation & Interference
Electromagnetic interference, often referred to as EMI, is a degradation of the performance of a piece of equipment or system caused by electromagnetic radiation. Electromagnetic…
Pesky Ground Loop Problems Plaguing You?
When a system contains two or more pieces of equipment that are grounded, whether via power cords or other ground connections, a “ground loop” will…
Unbalanced Invites Trouble—Avoiding Hum, Buzz & Other Noise Problems
Finding and eliminating noise coupling where it actually happens
Eliminating Potential Trouble & Getting The Noise Out Of A System
Replacing myth, misinformation, and mystery with knowledge and clear understanding
Don’t Bet Your Life: Get System AC Grounding Right
Although hum and other problems are often blamed on “improper grounding,” in most cases there is actually nothing improper at all.
How To Find Problems That Degrade Performance In Balanced Audio Equipment Interfaces
The problems fall into two broad categories
The Truth About Balanced Audio Interfaces In Systems
Actual performance in a real system depends on how the driver, cable, and receiver impedances interact
Connecting Unbalanced Outputs To Balanced Inputs—And Vice-Versa
Two key issues: different signal operating levels between consumer and professional equipment, and making connections while avoiding ground loop problems
Further Eliminating Ground Loop Related Problems With Proper Use Of Isolators
A properly installed isolator virtually eliminates hum, buzz, or other noises caused by ground loops