Having built a number of vacuum tube output transformer-less (OTL) amplifiers in recent years, it seemed as though it might be a good idea to try combining older with newer technology and using both ...

Normally when we hear of a Champ guitar amp, we think of a sweet-sounding rig that puts out 6 Watts through an 8-inch speaker. [John Chambers] of Champ Electronics wanted to build a true champion for ...

A new Friedman IR-Loaded and Wampler Pedalhead are the first new products to benefit from the new tech ...

Vincent Audio has introduced the new SP-331MK hybrid vacuum tube and solid-state power amplifier that is a performance enhanced version of the company’s popular SP-331 power amplifier. While the ...

McIntosh Labs is taking it back to Woodstock ‘69 for a faithful recreation of the iconic monoblock amp that powered the very first festival. This updated MC3500 Vacuum Tube Amplifier Mk II harnesses ...

The circuit was designed to create a power amplifier circuit that will utilize E80CC and EL34 vacuum tubes for better results while providing 35 Watts of power. E80CC – a special quality double triode ...

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 ...

In sports, great athletes are defined by big moments. Think back to Michael Jordan hitting “The Shot” to win the 1998 NBA Finals or Maradona scoring the “Hand of God” goal to win the 1986 World Cup.

While it's true that we've seen some gorgeous examples of modern amplification at Gizmag over the years, there's still something very pleasing to the eye about those that proudly display their tube ...

The GA-10 is an audiophile-grade headphone amplifier that features the SEPP (single-ended push-pull) circuit with eight vacuum tubes, a linear transformer, and direct tube output. The vacuum tubes ...

It was a cold January Saturday night in Chicago and we had big plans. Buddy Guy’s Legends bar was packed. We setup directly under one of the PA speakers less than 15′ from the stage. Time to celebrate ...

So you've decided that you'd like to pick up a headphone amplifier. Like many things in the world of audio, deciding which to buy can be a rabbit hole of different designs, types, and price points. We ...