Tube Knowledge

Tube amp buzzing, humming, crackling, popping, squealing, or cutting out? Here are the real causes, what you can safely fix yourself, and when to see a tech.

Tube gear still sets the standard for high-end audio. Here's how tube amps work, which tubes matter most, why the KT88 rules hi-fi, and how to choose a set you'll love.

If you’ve noticed your amplifier losing its "magic"—maybe the high end feels dull, the low end is flabby, or there’s an annoying hum that wasn’t there before—it’s likely time for a retube. But for ...

Which Power Tube Wins: EL34 for Marshall or 6L6 for Fender? If you’ve spent any time chasing the "perfect" guitar tone, you know that the quest usually leads to the back of your amplifier. Whi...

Is your tube amp losing its punch or making strange noises? Knowing when to replace guitar amp tubes is essential for maintaining that signature warmth and clarity.

Curious about what makes Ruby Tubes so reliable? Learn how we use precision testing and matching to ensure your guitar amp performs at its peak.

The REAL difference between tube and solid state amplification.

Vacuum tubes have been used in amplification systems for over a century, and they continue to be popular among musicians and audiophiles alike. One of the reasons for their enduring popularity is t...

The Impact of Tube Amps on Dynamic Range When it comes to choosing an amplifier for your musical instrument, you may have come across the terms "tube" and "solid-state" amps. While both types of am...