The Best 6SL7 Tube for Your HiFi Stereo Amplifier

RCA 6SL7GT Tube | Fuzz Audio | Preamp Tubes

Understanding the Heart of Your HiFi System When diving into the world of hi-fi audio, the tube amplifier stands out as a piece of equipment that can profoundly affect your listening experience. At the heart of many such amplifiers is the 6SL7 tube, an essential component that shapes the tonal quality of your music. But […]

Are Vacuum Tubes Still Made?

Hifi Tube Amp with power and preamp tubes | Fuzz Audio

In the digital era, it might come as a surprise to many that vacuum tubes are not only still made, but also actively used across the globe!

The Best 12AU7s Ever Made

Set of vintage tubes and packaging against a gradient white background

Some tubes are just built better than others. If you’ve wondered what the Best 12AU7 tubes ever made were, here’s Fuzz Audio’s list.

Why are Vacuum Tubes Also Called Valves?

Mullard EL34 In Marshall Amp

In the world of electronics, vacuum tubes have been an integral part of many inventions. They are also commonly known as valves due to their role in regulating and controlling electricity.

Valves act like valves on a pipe, allowing electrons to flow through them at different rates while maintaining control over the current. Just like a valve can be used to regulate water pressure or temperature, electronic valves can be used to modify signals within circuits and components.

How to Identify Fake Tubes

A display of mullard tubes that are fake.

It doesn’t happen often, but this week we got burned on same fake tubes (Mullard)! Our loos is your gain as we take a look at surefire ways to i.d. fakes in the marketplace.

Does Playing Through Overdrive Pedals Save the Life of Tubes?

Guitar Pedals | Fuzz Audio

It’s like a game of chess. Every move you make affects the outcome, but if you don’t know how to play it right, your pieces may end up in checkmate. Similarly, when using an overdrive pedal with a tube amp, every little tweak can drastically alter the sound – and even save its life!


Power tubes set against a blueish-green background

Vacuum tubes were once the backbone of the audio industry, powering everything from radios to guitar amplifiers. Although they were replaced by solid state technology in many applications, vacuum tubes are still highly valued by musicians and audiophiles for their unique tonal quality.

Are Vintage Tubes Really Better?

Power tubes set against a blueish-green background

New vs. Vintage tubes — at Fuzz Audio, our opinion is simple: Modern tubes suck. Read more to find out why vintage tubes are the best choice!

Best Tubes for the LA2A

Medium shot of the front of the VA2A leveling amp

Trying new tubes is an inexpensive way to experiment and get the best tone out of your equipment. Here is our list of the best tubes for the LA2A.

Best Stereo Tubes for Any Setup

Vintage Vacuum Tube Boxes | Fuzz Audio

Here is Fuzz Audio’s list of the best stereo tubes money can buy to help you easily improve the quality of your home stereo’s tone.