With new-and-improved circuitry, a smoother spring reverb, and some tasty aesthetic touches, the Blues Junior is celebrating its birthday in style ...

Years ago, intrigued by the hype around NOS tubes and the promise that they could magically transform my amps into tonal bliss, I invested in a stash of pricey NOS 12AX7 preamp tubes just to see what ...

This is the second part of a two-part paper that presents a procedural approach to derive nonlinear filters from schematics of audio circuits for the purpose of digitally emulating musical effects ...

Let's take a spin through some of what I consider to be the best tube amps on the market today (not counting priceless vintage artifacts).

Tone King has unveiled the Imperial Preamp, a “high-voltage tri-tube” preamp pedal that takes the tones of the Baltimore, Maryland high-end guitar amp brand’s Imperial MKII combo and ...

At the beginning of October 2022, one week before the Dutch Audio Event, I received a message from Herman van den Dungen of PrimaLuna. He asked me to pick up a new member of the PrimaLuna family at ...

The Douk Audio P6 Mini is a small stereo preamplifier with tubes, USB and Bluetooth, all at a very affordable price.

The next-generation C55 Solid State Preamplifier and C2800 Vacuum Tube Preamplifier from McIntosh promise “an enhanced, connected experience,” while delivering world-class sound.

High-end audio manufacturer McIntosh has announced the launch of two new preamplifiers which, to use its own words, are the company's "latest masterpieces". The C55 solid-state preamp arrives ...

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-vol… ...

The preamp circuit is pretty simple, being a two-stage single-ended design using both halves of the tube.