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 Pair (2) Svetlana KT88-SV Gold Grid Vacuum Tubes
Svetlana
$150.33New Plate Current Matched Pair of Svetlana KT88-SV Gold Grid Vacuum Tubes The Svetlana KT88SV features a very high plate dissipation rating to improve upon already excellent reliability and...$150.33 -
New Matched Octet (8) Mullard KT88 / 6550 Vacuum Tubes
Mullard
$498.91New Plate Current Matched Octet of Mullard Reissue KT88 / 6550 Vacuum Tubes Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for...$498.91 -
New Matched Quad (4) Mullard KT88 / 6550 Vacuum Tubes
Mullard
$252.28New Plate Current Matched Quad of Mullard Reissue KT88 / 6550 Vacuum Tubes Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for...$252.28 -
New Mullard KT88 / 6550 Vacuum Tube
Mullard
$60.33New 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...$60.33 -
New Matched Pair (2) Mullard KT88 / 6550 Vacuum Tubes
Mullard
$126.43New Plate Current Matched Pair of Mullard Reissue KT88 / 6550 Vacuum Tubes Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for...$126.43 -
New Tung-Sol EF806S / 6267 Gold Pins Vacuum Tube
Tung-Sol
$50.48New Gain Tested Tung-Sol Reissue EF806S / EF86 / 6267 Gold Pins Vacuum Tube Modeled after the Telefunken EF806S, the higher end version of the 6267 or EF86, is of premium quality and durability...$50.48 -
New Matched Pair (2) Tung-Sol EF806S / 6267 Gold Pins Vacuum Tubes
Tung-Sol
$104.94New Gain Matched Pair of Tung-Sol Reissue EF806S / EF86 / 6267 Gold Pins Vacuum Tubes Modeled after the Telefunken EF806S, the higher end version of the 6267 or EF86, is of premium quality and...$104.94 -
New Current Matched Octet (8) JJ KT88 Vacuum Tubes
JJ Electronic
$551.72New Current Matched Octet of JJ KT88 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the power stage, their KT88 (6550) is an industry favorite,...$551.72 -
New Current Matched Pair (2) JJ KT88 Vacuum Tubes
JJ Electronic
$139.63New Current Matched Pair of JJ KT88 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the power stage, their KT88 (6550) is an industry favorite,...$139.63 -
New Current Matched Quad (4) JJ KT88 Vacuum Tubes
JJ Electronic
$278.69New Current Matched Quad of JJ KT88 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the power stage, their KT88 (6550) is an industry favorite,...$278.69 -
New JJ KT88 Vacuum Tube
JJ Electronic
$66.52New Plate Current Tested JJ KT88 Vacuum Tube JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the power stage, their KT88 (6550) is an industry favorite, as...$66.52 -
On Sale
New Matched Sextet (6) Psvane KT88-T Classic MKII II Series Vacuum Tubes
Psvane
Now: $475.94Was: $634.58New Plate Current Matched Sextet of Psvane KT88-T Classic MKII Series (6550) Vacuum Tubes As one of the most prominent audiophile vacuum tube manufacturers, Psvane’s designs have established a...Now: $475.94Was: $634.58