
This new exclusive GT design features special "heat wings" attached to plate for more power, longer life, and better tone. The 1st choice of Matchless and many pro players including Billy Gibbons, Joe Perry, and Joe Walsh, these tubes are very dynamic, and produce a big bottom. The most powerful in their class. Learn More...
The 6L6B is perhaps the most reliable of the currently made types of 6L6s, with slightly less power and a more aggressive edge when pushed into distortion. These are currently used for the GT Fender amp tubes. Learn More...
These new production, Russian-made 6550C power tubes are brought to you by New Sensor, the company responsible for Sovtek. The 6550 tube type is popular in such amplifiers as the Ampeg SVT as well as many other applications. Svetlana offers a wide selection of tubes for both hi-end audio and guitar amplification. Learn More...
Mullard reincarnated. With the new EL34EH, Marshall amp owners can recreate the balanced tone, deep, tight bass, sweet mids, and well-defined highs of the original equipment Mullards. Innovative design and precision construction give the EL34EH exceptionally smooth and an ideal balance of pleasing even-order harmonics while virtually eliminating undesirable odd-order harmonics. Learn More...
These tubes are good quality, long lasting type with a slightly aggressive edge when pushed into overdrive. Learn More...
The 12AT7 is durable and usually used as a phase splitter or driver tube (part of the power section). It is great for most US made amps, especially Fender. Great for Marshall in the driver stage for a cleaner, brighter tone (should be changed every time power tubes are replaced for best performance). Learn More...
This Russian-made EL34 power tube is brought to you by New Sensor, the company responsible for Sovtek. The EL34 tube type is popular in Marshall heads and combo amps as well as many other applications. Svetlana offers a wide selection of tubes for both hi-end audio and guitar amplification. Learn More...
The new EL84EH faithfully recreates the classic Mullard design. Tri-lam plate material and selected screen wire increase thermal dissipation. The EL84EH is a remarkable reproduction of a vintage tube that is capable of maintaining its sweet and musical tone under any voltage conditions. Learn More...

Matched duet or quartet to replace and improve on your current EL34s. Learn More...
Forget about Telefunken. The 12AX7EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types. Unique spiral filament eliminates filament to cathode induced hum common on amps that use AC on the filaments. Learn More...
This Russian-made 12AX7 preamp tube is brought to you by New Sensor, the company responsible for Sovtek. Svetlana offers a wide selection of tubes for both hi-end audio and guitar amplification. Learn More...
This new exclusive GT design features special "heat wings" attached to plate for more power, longer life, and better tone. The 1st choice of Matchless and many pro players including Billy Gibbons, Joe Perry, and Joe Walsh, these tubes are very dynamic, and produce a big bottom. The most powerful in their class. Learn More...
Modeled after the vintage RCA 6L6GC "blackplate," the 6L6EH features large plate dimensions and improved grid structure for increased power handling capabilities. Also features mica spacers with metal springs to eliminate tube rattle and microphonics. The 6L6EH offers tone and performance superior to any other 6L6 or KT66 type. Learn More...
"Classic tone" is back! These new production, Russian-made 6550 power tubes are brought to you by New Sensor, the company responsible for Sovtek. Popular in such amplifiers as the Ampeg SVT as well as many other applications. Learn More...
This Russian-made 6L6GC power tube is brought to you by New Sensor, the company responsible for Sovtek. The 6L6 tube type is popular in larger Fender amps like the Twin Reverb as well as many other applications. Svetlana offers a wide selection of tubes for both hi-end audio and guitar amplification. Learn More...
These tubes are good quality, long lasting type with a slightly aggressive edge when pushed into overdrive. Learn More...
The 6L6B is perhaps the most reliable of the currently made types of 6L6s, with slightly less power and a more aggressive edge when pushed into distortion. These are currently used for the GT Fender amp tubes. Learn More...
This new tube from Russia is slightly brighter and lower gain. It offers quicker compression than GT 12AX7. Great for most Fenders, but may not be well suited for high gain Fender type amps (such as Boogie). Learn More...
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