Traveling-wave parametric amplifiers (TWPAs) are electronic devices that boost weak microwave signals (i.e., electromagnetic ...

Our picks for the best dedicated headphone amplifiers for audiophiles includes Apos, Feliks Audio and STAX.

And right now you can snap up the four-star Roksan Attessa Streaming Amplifier for £999 at Richer Sounds. That's ...

Our picks for the best desktop and portable DAC/Amps for audiophiles of 2025 include Burson Audio, JDS Labs, FiiO, iFi Audio ...

The big change is that Schiit has incorporated each with its Mesh conversion technology, which essentially performs a similar ...

This article was originally fairly superficial and frivolous, but has been expanded (a little) to explain the matter better. Amplifier power ratings are usually honest in Hi-Fi equipment, but become ...

Electric guitar enthusiasts often find themselves debating the merits of their instruments, but legendary guitarist Joe Perry makes a compelling case for the amplifier's significance. In a candid ...

Most everyone that has ever purchased an external amplifier is at least familiar with the term voltage gain. Simply, it is the degree to which an amplifier actually ...

With the wealth of cheap and highly integrated audio amplifier modules on the market today, it takes a special dedication to roll your own from parts. Especially when those parts include vacuum tubes, ...

A Thermocouple is a terrific way to measure temperature. The effects of temperature change on dissimilar metals produces a measurable voltage. But to make that measurement you need an amplifier ...