Medium & Large
Medium and Large power tubes, typically with Octal bases.
- KT88 - 6550 -KT90 - KT120 - KT150 - KT170
- 6L6 - 5881 -KT66 - 7027
- EL34 - 6CA7 - KT77
- 6V6 - 6F6 - 6K6 - 7408
- 6AS7 - 6080 - 421A - 5998
- 6JSC6C - 6JE6C - 6LQ6
- 807 -5933 - 6BG6 - 1625
- 7591 - 7868 - 6GM5
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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
New Genalex Gold Lion KT66 Reissue Vacuum Tube
Genalex
Now: $51.33Was: $57.03New Reissue Genalex Gold Lion KT66 / 6L6 Vacuum Tube These are so close to the originals we could hardly tell the difference in both appearance and sound. Of course these are made in Russia and not England like the originals but that seems to be...Now: $51.33Was: $57.03 -
On Sale
New Sovtek 5881WXT Vacuum Tube
Sovtek
Now: $37.82Was: $42.02New Plate Current Tested Sovtek 5881WXT / 6L6WGC Vacuum Tube The Sovtek 5881WXT is one of the most popular 5881 vacuum tubes. The 6L6WGC is the same exact tube as the 5881 so if your amplifier calls for either, it will work. This tube was built to strict...Now: $37.82Was: $42.02 -
On Sale
New Matched Pair (2) Sovtek 5881WXT Vacuum Tubes
Sovtek
Now: $77.85Was: $86.50New Plate Current Matched Pair of Sovtek 5881WXT / 6L6WGC Vacuum Tubes The Sovtek 5881WXT is one of the most popular 5881 vacuum tubes. The 6L6WGC is the same exact tube as the 5881 so if your amplifier calls for either, it will work. This tube was...Now: $77.85Was: $86.50 -
On Sale
New Matched Quad (4) Sovtek 5881WXT Vacuum Tubes
Sovtek
Now: $153.13Was: $170.14New Plate Current Matched Quad of Sovtek 5881WXT / 6L6WGC Vacuum Tubes The Sovtek 5881WXT is one of the most popular 5881 vacuum tubes. The 6L6WGC is the same exact tube as the 5881 so if your amplifier calls for either, it will work. This tube was...Now: $153.13Was: $170.14 -
On Sale
New Matched Quad (4) Electro-Harmonix 6CA7EH Fat Bottle Vacuum Tubes
Electro-Harmonix
Now: $120.22Was: $133.58New Plate Current Matched Quad of Electro-Harmonix 6CA7 (EL34) Fat Bottle Vacuum TubesThis classic big bottle 6CA7 is a tetrode rather than a pentode like the EL34. Both tubes are interchangeable but many prefer the rich and detailed sound of a...Now: $120.22Was: $133.58 -
On Sale
New Matched Pair (2) Electro-Harmonix 6CA7EH Fat Bottle Vacuum Tubes
Electro-Harmonix
Now: $61.40Was: $68.22New Plate Current Matched Pair of Electro-Harmonix 6CA7 (EL34) Fat Bottle Vacuum Tubes This classic big bottle 6CA7 is a tetrode rather than a pentode like the EL34. Both tubes are interchangeable but many prefer the rich and detailed sound of...Now: $61.40Was: $68.22 -
On Sale
New Electro-Harmonix 6CA7EH Fat Bottle Vacuum Tube
Electro-Harmonix
Now: $30.10Was: $33.44New Electro-Harmonix 6CA7 (EL34) Fat Bottle Vacuum Tube This classic big bottle 6CA7 is a tetrode rather than a pentode like the EL34. Both tubes are interchangeable but many prefer the rich and detailed sound of a tetrode to a pentode. Will...Now: $30.10Was: $33.44