The Groove Tubes Gold Series GT-12AX7-R Preamp Tube is an older-style Russian-type vacuum tube with strong tone and a slightly edgy tone. This newer tube from Russia has slightly brighter and lower gain, quicker compression than the GT 12AX7. Great...

GT-6L6-R (B) Duet Russian made, same as the 5881, but matched in the GT system. These are a very sturdy and reliable tube, with slightly less power and a more aggressive edge when pushed into distortion. These are the tubes that are used by...

The same as a 6BQ5. Good replacement in Boogies and Fenders.

The 5881WXT Power Tube is a high quality, beautiful sounding tube. The perfect choice for it's authentic sound.

The Sovtek EL84 series produce an unbeatable smooth, warm, distortion. Excellent replacements in vintage VOX AC-30's and the like, our EL84's are used by Fender, Crate, and Peavey.

The 12AX7WA provides high gain with ultra low noise and a detailed, musical tone that rivals the most desirable NOS types. Top choice for guitar amps.

The 12AX7WA provides high gain with ultra low noise and a detailed, musical tone that rivals the most desirable NOS types. Top choice for guitar amps.

The Sovtek Unmatched 5U4G Rectifier Tube is found in the most coveted vintage tube amps. Articulate AC/DC conversion allows the 5U4G to be clean and detailed while maintaining a warm, sweet tube compression.