Phono Preamps are very practical for Vinyl Record enthusiasts, but is the $4900 Grimm Audio PW1 worth it? The PW1 has the initials of chief designer Peter van Willenswaard, co-founder of Grimm Audio.

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 ...

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 ...

The circuit was designed to build a volume control that is operated digitally on an audio preamplifier circuit. The design of the circuit comprises of three parts. The first circuit contains a control ...

Audio Research is continuing its 50th anniversary celebrations with the launch of the LS28SE preamplifier, which brings performance improvements over the 2016-launched LS28 it replaces. The new, ...

The Andover SpinStage really shines when used with higher-priced cartridges, but this phono pre-amp can enhance any turntable’s sound, and it can grow with upgrades to your home-audio system. Andover ...

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 ...

Promising significant improvements in dynamic range and design flexibility to designers of pro audio equipment, the THAT1570/5171 microphone preamplifier chipset teams a differential audio ...