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.
-
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 Octet (8) Svetlana 6550C [KT88] Vacuum Tubes](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/36951/53732/NP022-8__93130.1724388788.JPG?c=2 "New Matched Octet (8) Svetlana 6550C [KT88] Vacuum Tubes")
New Matched Octet (8) Svetlana 6550C [KT88] Vacuum Tubes
Svetlana
Now: $452.30Was: $502.55New Plate Current Matched Octet 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: $452.30Was: $502.55 -
On Sale
![New Matched Sextet (6) Svetlana 6550C [KT88] Vacuum Tubes](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/36950/53731/NP022-6__55954.1737837894.JPG?c=2 "New Matched Sextet (6) Svetlana 6550C [KT88] Vacuum Tubes")
New Matched Sextet (6) Svetlana 6550C [KT88] Vacuum Tubes
Svetlana
Now: $341.96Was: $379.95New Plate Current Matched Sextet 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: $341.96Was: $379.95 -
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 -
On Sale
![Mullard USA 5847/404A Black Plate Top [] Get Vacuum Tube 67%](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/35825/36946/TH9106__24552.1481302536.JPG?c=2 "Mullard USA 5847/404A Black Plate Top [] Get Vacuum Tube 67%")
Mullard USA 5847/404A Black Plate Top [] Get Vacuum Tube 67%
Mullard
Now: $1.58Was: $1.75Tube Type / Number: 5847/404AActual Brand*: MullardPrinted Brand: MullardQuantity: 1 Piece-SingleMatching Date Codes? Plate Construction: BlackGetter Construction: Top []Country of Manufacture: USAVisible Date Codes: Lettering Condition: 50...Now: $1.58Was: $1.75 -
On Sale
![Amperex PQ Holland 5847 [404A] Grey Plate True D Get Gold Pins Vacuum Tube 75%](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/35821/36942/TH9105__29658.1481302534.JPG?c=2 "Amperex PQ Holland 5847 [404A] Grey Plate True D Get Gold Pins Vacuum Tube 75%")
Amperex PQ Holland 5847 [404A] Grey Plate True D Get Gold Pins Vacuum Tube 75%
Amperex
Now: $1.58Was: $1.75Tube Type / Number: 5847 [404A]Actual Brand*: Amperex PQPrinted Brand: Amperex PQQuantity: 1 Piece-SingleMatching Date Codes? Plate Construction: GreyGetter Construction: Top True DCountry of Manufacture: HollandVisible Date Codes: 60Lettering...Now: $1.58Was: $1.75 -
On Sale
![NOS Sylvania USA 1221 [Hi-Fi 6C6] Plate Get Smoked Vacuum Tube 100+%](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/35381/36502/TM9526__11929.1479497286.JPG?c=2 "NOS Sylvania USA 1221 [Hi-Fi 6C6] Plate Get Smoked Vacuum Tube 100+%")
NOS Sylvania USA 1221 [Hi-Fi 6C6] Plate Get Smoked Vacuum Tube 100+%
Sylvania
Now: $89.78Was: $99.75Tube Type / Number: 1221 [Hi-Fi 6C6]Actual Brand*: SylvaniaPrinted Brand: SylvaniaQuantity: 1 Piece-SingleMatching Date Codes? Plate Construction: Getter Construction: BottomCountry of Manufacture: USAVisible Date Codes: T9RLettering Condition: 90...Now: $89.78Was: $99.75