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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 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 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 Plate Current Matched Pair of Sovtek EL84 (6BQ5) Vacuum Tubes The Sovtek EL84 brings reliability and durability with a combination of distortion, warmth and smoothness that makes it one of the best-rounded EL84 models out there. Will work...

New Gain Matched Sextet of JJ Electronic (Tesla) 12AX7 / ECC83S Vacuum Tubes The JJ 12AX7 / ECC83S tubes are one of the most popular new production 12AX7s ever made. There is a reason major brands such as Fender and Marshall come with them as stock tubes...

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 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 Tung-Sol 6550 (KT88) Coke Bottle Reissue Vacuum Tube This 6550 has everything its vintage counterpart featured down to the bottle shape and size, three getter construction, gold grids, and carbonized plates. From the construction...

The Sprague 716P capacitor series is legendary and has been around for more than 50 years. It’s no wonder, these caps are known for their tight tolerances, reliability and excellent tone. These have been the go-to choice for amp techs for decades. These...

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 Gain Matched Pair of Electro-Harmonix 12AU7 / ECC82 Vacuum Tubes Built around the original GE 6189; this is a low microphonic, industrial-grade 12AU7. This tube has a very clear and warm sound that was built to last. This is a very linear tube which...