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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On Sale
New Matched Sextet (6) Genalex Gold Lion KT88 Reissue Vacuum Tubes
Genalex
Now: $448.54Was: $498.38New Plate Current Matched Sextet of Genalex Gold Lion KT88 (6550) Vacuum Tube 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...Now: $448.54Was: $498.38 -
On Sale
New Matched Quad (4) Genalex Gold Lion KT88 Reissue Vacuum Tubes
Genalex
Now: $299.75Was: $333.06New 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...Now: $299.75Was: $333.06 -
On Sale
New Matched Pair (2) Genalex Gold Lion KT88 Reissue Vacuum Tubes
Genalex
Now: $150.14Was: $166.82New Plate Current Matched Pair 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...Now: $150.14Was: $166.82 -
On Sale
New Genalex Gold Lion KT88 Reissue Vacuum Tube
Genalex
Now: $71.36Was: $79.29New Plate Current Tested Genalex Gold Lion KT88 (6550) Vacuum Tube 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 plated...Now: $71.36Was: $79.29 -
On Sale
New Matched Octet (8) JJ 7591 Vacuum Tubes
JJ Electronic
Now: $231.61Was: $257.34New Plate Current Matched Octet of JJ 7591 Vacuum Tubes There is finally a reliable 7591 that rivals the originals. These JJs are an excellent choice for your old Scott amplifier as well as many others that used the famous old 7591. The vintage 7591s are...Now: $231.61Was: $257.34 -
On Sale
New Matched Quad (4) JJ 7591 Vacuum Tubes
JJ Electronic
Now: $114.61Was: $127.34New Plate Current Matched Quad of JJ 7591 Vacuum Tubes There is finally a reliable 7591 that rivals the originals. These JJs are an excellent choice for your old Scott amplifier as well as many others that used the famous old 7591. The vintage 7591s are...Now: $114.61Was: $127.34 -
On Sale
New Matched Pair (2) JJ 7591 Vacuum Tubes
JJ Electronic
Now: $58.59Was: $65.10New Plate Current Matched Pair of JJ 7591 Vacuum Tubes There is finally a reliable 7591 that rivals the originals. These JJs are an excellent choice for your old Scott amplifier as well as many others that used the famous old 7591. The vintage 7591s are...Now: $58.59Was: $65.10 -
On Sale
New JJ 7591 Vacuum Tube
JJ Electronic
Now: $28.37Was: $31.52New Plate Current Tested JJ 7591 Vacuum Tube There is finally a reliable 7591 that rivals the originals. These JJs are an excellent choice for your old Scott amplifier as well as many others that used the famous old 7591. The vintage 7591s are almost...Now: $28.37Was: $31.52 -
On Sale
![New Matched Quad (4) Svetlana 6550C [KT88] Vacuum Tubes](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/36949/53730/NP022-4__24279.1737839205.JPG?c=2 "New Matched Quad (4) Svetlana 6550C [KT88] Vacuum Tubes")
New Matched Quad (4) Svetlana 6550C [KT88] Vacuum Tubes
Svetlana
Now: $228.69Was: $254.10New Plate Current Matched Quad of Svetlana 6550C Vacuum Tubes An excellent true 6550 that'll make your amp sing. These are known for their robust quality and classic American 6550 tone. Will work in place of: 6550C, 6550, KT88, 6550A Testing...Now: $228.69Was: $254.10 -
On Sale
![New Matched Pair (2) Svetlana 6550C [KT88] Vacuum Tubes](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/36948/53729/NP022-2__09324.1737876840.JPG?c=2 "New Matched Pair (2) Svetlana 6550C [KT88] Vacuum Tubes")
New Matched Pair (2) Svetlana 6550C [KT88] Vacuum Tubes
Svetlana
Now: $114.61Was: $127.34New Plate Current Matched Pair of Svetlana 6550C Vacuum Tubes An excellent true 6550 that'll make your amp sing. These are known for their robust quality and classic American 6550 tone. Will work in place of: 6550C, 6550, KT88, 6550A Testing...Now: $114.61Was: $127.34 -
On Sale
![New Svetlana 6550C [KT88] Vacuum Tube](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/36947/53728/NP022-1__00873.1653399094.JPG?c=2 "New Svetlana 6550C [KT88] Vacuum Tube")
New Svetlana 6550C [KT88] Vacuum Tube
Svetlana
Now: $54.68Was: $60.75New Plate Current Tested Svetlana 6550C Vacuum Tube An excellent true 6550 that'll make your amp sing. These are known for their robust quality and classic American 6550 tone. Will work in place of: 6550C, 6550, KT88, 6550A Testing and/or...Now: $54.68Was: $60.75 -
On Sale
NIB Amperex USA 8595 Grey Plate O Get 3 Mica Vacuum Tube
Amperex
Now: $22.28Was: $24.75Tube Type / Number: 8595Actual Brand*: AmperexPrinted Brand: AmperexQuantity: 1 Piece-SingleMatching Date Codes? Plate Construction: GreyGetter Construction: Top OCountry of Manufacture: USAVisible Date Codes: Lettering Condition: 90 PercentNumber of...Now: $22.28Was: $24.75