Audio amplifier fault diagnosis gets a fast reality check as Roberto Armani shows how a square wave exposes what a sine wave ...

Towards the end of 2009, my roommate and I purchased a stereo audio amplifier that was originally built in the 1970’s. Several months after the purchase, however, the amplifier stopped working. Using ...

While we like the idea of plug-and-play set-ups as much as anyone, there’s more to getting the best out of stereo amplifiers than simply powering them up on a hi-fi rack, plugging in speakers and ...

I suspect a substantial number of people have an old pair of speakers sitting in storage: hand-me-downs from a family member, perhaps, or the remnants of a stereo of their youth. Such speakers can be ...

While we like the idea of plug-and-play set-ups as much as anyone, there’s more to getting the best out of stereo amplifiers than simply powering them up on a hi-fi rack, plugging in speakers and ...