Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

If you’ve ever worked with vacuum tubes, you’ll probably have a healthy appreciation for high voltage power supplies. These components require higher potentials to get those electrons moving, or so we ...

When most people think of tube circuits, the first thing that comes to mind is often the use of high-voltage power supplies. It wasn’t a given for tube circuits, though, as a range of low-voltage ...

The McIntosh C12000 Preamplifier goes both ways; tube and solid state and is the perfect companion to the MC3500 MMKII Tube Amplifier. The hardest part of our recent McIntosh factory tour was keeping ...

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 ...

Local musician and tinkerer Jason Harrington is breathing new life into the classic sound of tube amplification. Harrington said his custom tube amps are as unique as each musician who plays through ...

In this video, I’m diving deep into the Schiit Valhalla 3, a remarkable OTL and OCL tube headphone amplifier that brings high-end "crazy" engineering to a much more affordable price point. After ...

Fig 1. This basic source-follower circuit is the kind of amplifier you would find in an electric bass guitar amplifier. R6 provides the feedback. On the other hand, low-distortion applications require ...

A virtual preamp, SGA1566 is a free cross-platform plugin from Shattered Glass Audio. It's designed to emulate the "sonic beauty" of a two-stage tube preamp. The design is loosely based on that of a ...

The circuit was designed to create a line preamplifier by acquiring the use of double triode tubes. The circuit comprises of three parts, the main preamplifier circuit with tubes, the input selector ...