Best Sellers

New Factory Matched Quad of Telefunken Black Diamond EL34-TK Reissue Vacuum Tubes The EL34-TK has been designed to handle a slightly higher grid voltage than the traditional EL34. Offering a tight low end and smooth mids, it will bring new life to guitar...

New Gain Matched Trio of Tung-Sol 6SN7GTB Vacuum Tubes The 6SN7GTB is the low noise version of the 6SN7, 6SN7GTA, and 6SN7GT. They are all compatible. This is one of the only new production 6SN7's available and given how musical and warm it sounds, it...

New Gain Tested Tung-Sol Reissue 5751 Vacuum Tube Being modeled after the original quality of vintage Tung-Sol tubes, the 5751 offers great reliability. The 5751 is a great drop-in replacement of any 12AX7, offering about 30% less gain than their 12AX7...

New Plate Current Tested Tung-Sol 7581A (KT66) Vacuum Tube The Tung-Sol 7581A is rated at a higher 35 watts compared to the standard 7581 or 6L6GC. This tube is a direct substitute for the KT66, and is in fact a version of the KT66. These Tung-Sols...

New Gain Matched Quad of Electro-Harmonix 12AX7 Vacuum Tubes The EHX 12AX7 has become a standard, known for it's high gain and excellent mids and bass. It has a spiral wound filament to help cut down on noise and hum just like the vintage 7025 or 12AX7A...

New Plate Current Matched Quad of Electro-Harmonix KT90 Vacuum Tubes This tube has a bit more power than a KT88 but with the classic warm, bass-drenched sound of an EL34. The tube really is the best of both worlds. These are drop-in substitutes for a...

New Gain Matched Quad of Genalex Gold Lion 12AT7 / ECC81 Gold Pins Vacuum Tubes Original Genalex Gold Lion ECC81 / B739 tubes are considered the best 12AT7 types ever made. They are also among the rarest types available, exhibiting a large detailed...

New Plate Current Tested Mullard Reissue KT88 / 6550 Vacuum Tube Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. Excellent replacement output...

New JJ EZ81 / 6CA4 Rectifier Vacuum Tube JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. Among rectifier tubes, their 6CA4 (EZ81) is an industry favorite, as it provides consistent performance along with great build...

New Plate Current Matched Octet of Tung-Sol KT120 Vacuum Tubes The KT120 is an incredible tube. Essentially a KT88 / 6550 on steroids, they are capable of pushing 150 watts per pair of clean power in a push-pull configuration. Because of the high...

New Plate Current Matched Pair of Electro-Harmonix 6973 Vacuum Tubes Thanks to Electro-Harmonix the 6973 is finally affordable and easy to find! This tube has long caused trouble as the originals are so scarce. Many companies were re-branding the less...

New Gain Matched Quad of Tung-Sol 12AU7 / 6189 (ECC82) Reissue Vacuum Tubes One of the best modern 12AU7s on the market, the official model number is 12AU7WA / 6189 which is the military designation for the 12AU7. With a rich and detailed tone, the...