When it comes to audio setups, there are really two main approaches: integrated amplifiers and separates. Integrated amp ...

One of my first jobs as a freshly minted graduate engineer involved the maintenance of a set of analogue chart recorders. They were museum pieces by the early 1990s: a motorized roll of graph paper ...

The Monoprice Monolith is an astounding 7-channel, 200wpc amplifier with two massive teroidal transformers delivering gobs of power and textbook performance at a value price point. Our amp of the year ...

The Emotiva XPA-2 is a two-channel amplifier is one of the most powerful, highest value amplifiers we've reviewed to date. It is a lone wolf in a pasture of sheepish amplifiers. Power output: 250 ...

An ideal amplifier has very low noise, operates over a broad frequency range, and has large dynamic range. Unfortunately, it is difficult to obtain all of these characteristics simultaneously. For ...

Many mistakes can be made during the building and setting up a hi-fi system, whether it is as minor as placing speakers too far apart or as calamitous as knocking them over and denting their tweeter – ...

You can't afford noise in your circuit designs, and certain applications, such as audio, demand low-noise performance. You can minimize external noise by considering noise during the board-layout ...

In 2008, Kendall Castor-Perry began an extended investigation into the effect that bypass capacitor selection has on analog circuit performance. Five years on, we’re re-posting this classic series, ...

“Class” is in session. This discussion of electronic amplifier circuits offers an overview of the characteristics that define commonly used class designations ...

We earn commissions from purchases you make using links in our articles. Learn more. For many car owners, the stock stereo just won't cut it and thankfully there are plenty of cost-efficient ways to ...

Here is my conclusion of the Hottie Amplifier, a guitar amplifier designed from the shell of classic chrome toaster: waste of a perfectly good toaster . I know pretty much zip about guitar playing, so ...