General Tube Information

Why an amplifier's sound changes when you change tubesWhy an amplifier's sound changes when you change tubes
Proper Tube Care and HandlingWhat everyone should know about tube installation, biasing, handling and tube life.

Tube Matching DemystifiedA simple explaination of what a tube's electrical characteristics mean, how they're measured, matched and the effect of tube aging on your matched tubes.

Modjeski Reference TubesOur unique, computer testing and matching process.

The Virtues of Power Tube MatchingThe importance of power tube matching and how it will bring out the best in your equipment.

The Suitability of the 6DJ8 for AudioA fascinating and detailed look at the design and application of audio tubes.

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