In today’s world, power amplifiers are used in many devices for a wide variety of applications. In general, an amplifier takes a low power input and regenerates the signal at several watts higher.

If you’ve ever glanced at the specifications sheet for an amplifier, one of the things you may have noticed is the amplifier’s class. Typically denoted by a letter or two, the most common amplifier ...

Instrumentation amplifiers (in-amps) show up in a broad spectrum of applications: measuring heart signals, factory monitoring equipment, aircraft controls, and even animal tagging. Engineers have ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. Last month I reported that classic British audio brand ...