Fosi Audio ZH3 DAC/Headphone Amp/Preamp offers balanced outputs, ultra-low noise, high-res support, and replaceable op-amps for $199.99. Fosi Audio has officially unveiled the ZH3, an all-in-one ...

The preamplifier is the first and most obvious upgrade for your record player.

There’s magic in an LP’s grooves, and the ModWright PH 9.0 phono preamp lets you hear more of it. Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a ...

Cranborne Audio has introduced its new Camden EC1, a desktop preamp with analog saturation and a headphone amplifier with a discrete line mixer built-in, all fit in a half-rack chassis, making it ...

One of my first jobs as an engineer was at Empire Scientific Corp. in Garden City, NY in 1972. This was a high-end audio company that made speakers, turntables and phonograph cartridges. We had some ...

Stylish 19-Tube Preamp Ingeniously Lets Users Select Input Tubes For Each Audio Source; Only One in the World to Do So Einstein Audio Components, a leading German designer and manufacturer of premium ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. As part of its ongoing 30th-anniversary celebrations this ...

One thing you find in the broad field of electrical engineering is that different industries, or even companies, may use different language to describe the same subject. For a successful design, it is ...

The most recent installment of [Dino Segovis’] Hack a Week covers the construction of a simple NPN transistor audio preamp. Some time ago, he built a small audio amplifier using an LM386 which worked ...