1000A - 9999Z
There are many great four digit tubes such as the 7025, 6550, 5654 and 7868. These tubes tend to be high-end versions of standard tubes or variants of standard tubes though there are plenty that just exist on their own.
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New Matched Octet (8) Psvane KT88C Hifi Vacuum Tubes
Psvane
$344.19New Plate Current Matched Octet of Psvane KT88C Hifi (6550) Vacuum Tubes As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a benchmark for clean and accurate sound reproduction. Along with a...NP205-8$344.19 -
New Matched Pair (2) Tung-Sol KT170 Vacuum Tubes
Tung-Sol
$301.99New Matched Pair of Tung-Sol KT170 Vacuum Tubes We are so happy to carry Tung-Sol’s newest high power tetrode. The wonderful folks at Tung-Sol have done it again, and are introducing a brand new tube to the world! We’re so happy that at least...NP196-2$301.99 -
New Matched Sextet (6) Tung-Sol 7591A Reissue Vacuum Tube
Tung-Sol
$301.15New Plate Current Matched Sextet of Tung-Sol 7591A Reissue Vacuum Tubes Built around the same specs as the original Tung-Sol 7591A, this is the perfect choice for those looking to replace tubes in their Scotts, Harman Kardons, Fischers, or any amp that...NP086-6$301.15 -
New Matched Quad (4) Electro-Harmonix KT90 Vacuum Tubes
Electro-Harmonix
$318.81New 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...NP068-4$318.81 -
New Matched Quad (4) Tung-Sol KT120 Vacuum Tubes
Tung-Sol
$324.24New Plate Current Matched Quad 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 wattage,...NP042-4$324.24 -
New Matched Quad (4) Genalex Gold Lion KT88 Reissue Vacuum Tubes
Genalex
Now: $291.72Was: $343.20New Plate Current Matched Quad of Genalex Gold Lion KT88 (6550) Vacuum Tubes These are as close to the original Genalex KT88s as you could possibly get. Made in Russia, they look identical to the originals down to the plate structure. They even have gold...NP041-4Now: $291.72Was: $343.20