World Tube Company

NEW and Used
Vacuum Tubes
Love is Resonance!
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INTERESTING TUBE FACTS


VACUUM TUBES - Are They Warmer Sounding?

Microphonic Tubes!

Power Tube Comparisons ~ 6L6, KT66, EL34, EL84 and Etc.

6L6 Power Tubes ~ REALLY!

6MJ6 - - - - MORE POWER!

The 6SN7GT Vacuum Tubes ~ Oh REALLY!
( 6SN7GT Comparisons, Differences and Substitutes )

Visseaux 6V6GT Warning

12AX7 Comparisons ~ Best and Worst

210 / 10 / 10Y / 801A / VT62 Tubes

The 6146 / 6883 Family of Tubes

6146 Data Information

Eye Tube Substitutes and Cross Reference.

G.E. Dots!

What are UX and CX tubes?
( Examples: UX-245, UX-171A, CX-380 )

How to Test a Vibrator!
( And NO, I'm NOT Going There. . . We're Talking Radios Here. )

UniValve Manual

3-400Z & 3-500Z Tube Comparrisons and Differences.

The 4CX250 Ceramic Tube

The Vacuum Tube List of Manufacturers Since the Beginning of Time

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