MacFixIt reader Silvio Demilio describes a strange noise generated by his 17" PowerBook G4, corroborated by other users: "I recently purchased a PowerBook G4 17". It has two annoying noises an ...

Judicious component layout plays a large role in immunizing test and control systems against electrical interference. A conveyor control system activates a motor once every 12 sec over its 10-yr ...

So I picked up a new phono preamp recently, a Pro-Ject Tube Box S2. It's a nice unit and sounds great, but I've noticed that I'm getting a low-level buzz from its outputs. (It's definitely a buzz, not ...

The SureTrace™ Circuit Tracer Pro redefines what a circuit tracer can do. With numerical voltage readings, continuity testing, AC amperage readings, contactless tracing, and receptacle testing, it's ...

Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...

Vehicles are notoriously noisy environments, and I don't mean the kind of noise you can hear. All those spark plugs, actuators, alternators, and motors generate enough noise to disrupt communications ...

The plant air system depends on four 100-hp motors, and one of them is vibrating badly. The pipe coming off the compressor even makes a rattling sound. What should you not do to solve this problem?

So you just unboxed your new entertainment gear, hooked everything up, and you hear buzz, whine, hiss, chatter, or any number of other annoying noises that have been known to plague audio equipment.