6L6 - 5881 -KT66 - 7027
Shop our large selection of 6L6 & equivalent vacuum tubes. This is one of the most popular power tubes on the planet and as such, there are almost unlimited options.
There is much confusion surrounding the equivalent and substitute tubes in regards to 6L6. Much of it has to do with the fact that the tube has been around for so long, it has been revised and new versions have been made. Please be sure that you are ordering the correct tube. A 6L6G will not work in place of it's high-power successor, the 6L6GC.
When in doubt, you can always use a 6l6GC if an amplifier calls for any of the 6L6 types because the GC can handle the highest voltage.
Metal 6L6, 6L6G & 6L6GA - Maximum dissipation of 19 watts and are interchangeable
6L6GB, 6L6WGB, 5881 - Maximum dissipation of 23/26 watts and are interchangeable
6L6GC - The standard among 6L6's. Maximum dissipation of 30 watts, generally interchangeable with KT66
KT66 - Maximum plate dissipation of 33 watts and is generally interchangeable with 6L6GC
7027A - a 6L6GC with a different pinout and is not interchangeable with anything
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New Matched Octet (8) Psvane KT66GC GEC Genalex Replica Tubes
Psvane
$1,963.55New Plate Current Matched Octet of Psvane KT66GC Vacuum Tubes Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine...NP243-8$1,963.55 -
New Matched Sextet (6) Psvane KT66GC GEC Genalex Replica Tubes
Psvane
$1,475.69New Plate Current Matched Sextet of Psvane KT66GC Vacuum Tubes Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine...NP243-6$1,475.69 -
New Matched Quad (4) Psvane KT66GC GEC Genalex Replica Tubes
Psvane
$984.60New Plate Current Matched Quad of Psvane KT66GC Vacuum Tubes Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine...NP243-4$984.60 -
New Matched Pair (2) Psvane KT66GC GEC Genalex Replica Tubes
Psvane
$492.59New Plate Current Matched Pair of Psvane KT66GC Vacuum Tubes Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine...NP243-2$492.59 -
New Psvane KT66GC GEC Genalex Replica
Psvane
$232.23New Plate Current Tested Psvane KT66GC Vacuum Tube Modeled directly after the original GEC KT66s, the Psvane KT66GC features the same curved base and stout envelope. Along with smoked glass, the faithfulness to classic KT66s of the past shine through in...NP243-1$232.23 -
New Matched Octet (8) Psvane 5881 / 6L6GB Hifi Vacuum Tubes
Psvane
$282.58New Plate Current Matched Octet of Psvane 5881 / 6L6GB Hifi Vacuum Tubes Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp. A...NP241-8$282.58 -
New Matched Sextet (6) Psvane 5881 / 6L6GB Hifi Vacuum Tubes
Psvane
$214.10New Plate Current Matched Sextet of Psvane 5881 / 6L6GB Hifi Vacuum Tubes Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp. A...NP241-6$214.10 -
New Matched Quad (4) Psvane 5881 / 6L6GB Hifi Vacuum Tubes
Psvane
$141.71New Plate Current Matched Quad (4 pc set) of Psvane 5881 / 6L6GB Hifi Vacuum Tubes Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp...NP241-4$141.71 -
New Matched Pair (2) Psvane 5881 / 6L6GB Hifi Vacuum Tubes
Psvane
$72.29New Plate Current Matched Pair of Psvane 5881 / 6L6GB Hifi Vacuum Tubes Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp. A fresh...NP241-2$72.29 -
New Psvane 5881 / 6L6GB Hifi Vacuum Tube
Psvane
$35.35New Plate Current Tested Psvane 5881 / 6L6GB Hifi Vacuum Tube Psvane is famous for their reliable and great sounding tubes and this 5881 is no exception. Fit for any audiophile's high-end needs or any tone-chasing guitarist's amp. A fresh take on...NP241-1$35.35 -
New Matched Octet (8) TAD 6L6GCM-STR Redbase Vacuum Tubes
TAD
$384.82New Plate Current Matched Octet of Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tubes The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom...NP232-8$384.82 -
New Matched Sextet (6) TAD 6L6GCM-STR Redbase Vacuum Tubes
TAD
$288.41New Plate Current Matched Sextet of Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tubes The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom...NP232-6$288.41 -
New Matched Quad (4) TAD 6L6GCM-STR Redbase Vacuum Tubes
TAD
$191.08New Plate Current Matched Quad of Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tubes The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom...NP232-4$191.08 -
New Matched Pair (2) TAD 6L6GCM-STR Redbase Vacuum Tubes
TAD
$96.97New Plate Current Matched Pair of Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tubes The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom...NP232-2$96.97 -
New TAD 6L6GCM-STR Redbase Vacuum Tube
TAD
$46.94New Plate Current Tested Tube Amp Doctor 6L6GCM-STR Redbase Vacuum Tube The TAD Redbase series brings reliable structural durability along with extended bass response akin to vintage American 6L6GCs coupled with plenty of highs and headroom. Will...NP232-1$46.94 -
New Matched Octet (8) Telefunken 6L6GC Vacuum Tubes
Telefunken
$587.76New Factory Matched Octet of Telefunken 6L6GC Vacuum Tubes A classic 'American-sounding' tube type, the 6L6GC is a staple of guitar amplification. Telefunken brings a particularly articulate and defined option with headroom to the market. Will work in...NP207-8$587.76 -
New Matched Sextet (6) Telefunken 6L6GC Vacuum Tubes
Telefunken
$443.04New Factory Matched Sextet of Telefunken 6L6GC Vacuum Tubes A classic 'American-sounding' tube type, the 6L6GC is a staple of guitar amplification. Telefunken brings a particularly articulate and defined option with headroom to the market. Will work in...NP207-6$443.04 -
New Matched Quad (4) Telefunken 6L6GC Vacuum Tubes
Telefunken
$294.17New Factory Matched Quad of Telefunken 6L6GC Vacuum Tubes A classic 'American-sounding' tube type, the 6L6GC is a staple of guitar amplification. Telefunken brings a particularly articulate and defined option with headroom to the market. Will work in...NP207-4$294.17 -
New Matched Pair (2) Telefunken 6L6GC Vacuum Tubes
Telefunken
$148.51New Factory Matched Pair of Telefunken 6L6GC Vacuum Tubes A classic 'American-sounding' tube type, the 6L6GC is a staple of guitar amplification. Telefunken brings a particularly articulate and defined option with headroom to the market. Will work in...NP207-2$148.51 -
New Telefunken 6L6GC Vacuum Tube
Telefunken
$70.68New Factory Tested Telefunken 6L6GC Vacuum Tube A classic 'American-sounding' tube type, the 6L6GC is a staple of guitar amplification. Telefunken brings a particularly articulate and defined option with headroom to the market. Will work in place...NP207-1$70.68 -
On Sale
Tests NOS GE USA 6L6 Metal Rust Vacuum Tube
GE
Now: $16.16Was: $17.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHS Tube Type / Number: 6L6Actual Brand*: GEPrinted Brand: GEQuantity: 1 Piece-SingleMatching Date Codes? NoPlate Construction: Getter...BT5539Now: $16.16Was: $17.95 -
NOS Soviet 6P3S / 6L6GC Vacuum Tube
$12.95New Old Stock Plate Current Tested Soviet 6P3S (6L6GC) * A note on the 6P3S as a 6L6GC substitute * There are various datasheets floating around that show varying specifications on these for plate voltages, wattage output, etc. Technically, they...MUL161-1$12.95 -
NOS Matched Pair (2) Soviet 6P3S / 6L6GC Vacuum Tubes
$26.95New Old Stock Matched Pair of Soviet 6P3S (6L6GC) Tubes * A note on the 6P3S as a 6L6GC substitute * There are various datasheets floating around that show varying specifications on these for plate voltages, wattage output, etc. Technically, they are...MUL161-2$26.95 -
NOS Matched Quad (4) Soviet 6P3S / 6L6GC Vacuum Tubes
$56.95New Old Stock Matched Quad of Soviet 6P3S (6L6GC) Tubes * A note on the 6P3S as a 6L6GC substitute * There are various datasheets floating around that show varying specifications on these for plate voltages, wattage output, etc. Technically, they are...MUL161-4$56.95 -
New Matched Octet (8) Sovtek 6L6WXT+/ 6L6GC Vacuum Tubes
Sovtek
$306.21New Current Matched Octet of Sovtek 6L6WXT+/ 6L6GC Vacuum Tubes Created and modeled after the classic RCA 6L6GC black plate tubes, the Sovtek 6L6WXT+ improves on past construction. With upgrades to help rid of microphonics such as mica spaces used in...NP162-8$306.21 -
New Matched Quad (4) Sovtek 6L6WXT+/ 6L6GC Vacuum Tubes
Sovtek
$153.39New Current Matched Quad of Sovtek 6L6WXT+/ 6L6GC Vacuum Tubes Created and modeled after the classic RCA 6L6GC black plate tubes, the Sovtek 6L6WXT+ improves on past construction. With upgrades to help rid of microphonics such as mica spaces used in...NP162-4$153.39 -
New Matched Pair (2) Sovtek 6L6WXT+/ 6L6GC Vacuum Tubes
Sovtek
$77.91New Current Matched Pair of Sovtek 6L6WXT+/ 6L6GC Vacuum Tubes Created and modeled after the classic RCA 6L6GC black plate tubes, the Sovtek 6L6WXT+ improves on past construction. With upgrades to help rid of microphonics such as mica spaces used in...NP162-2$77.91 -
New Sovtek 6L6WXT+ / 6L6GC Vacuum Tube
Sovtek
$37.47New Plate Current Tested Sovtek 6L6WXT+ / 6L6GC Vacuum Tube Created and modeled after the classic RCA 6L6GC black plate tubes, the Sovtek 6L6WXT+ improves on past construction. With upgrades to help rid of microphonics such as mica spaces used in...NP162-1$37.47 -
New Matched Quad (4) Sovtek 5881 / 6L6WGC Vacuum Tubes
Sovtek
$131.06New Plate Current Matched Quad of Sovtek 5881 / 6L6WGC Vacuum Tubes The Sovtek 5881 / 6L6WGC are frequently found to be a great replacement alternative to other basic 6L6 models. It adds a great warmth and sound to any modern or vintage amps. Sovtek...NP156-4$131.06 -
New Matched Pair (2) Sovtek 5881 / 6L6WGC Vacuum Tubes
Sovtek
$66.74New Plate Current Matched Pair of Sovtek 5881 / 6L6WGC Vacuum Tubes The Sovtek 5881 / 6L6WGC are frequently found to be a great replacement alternative to other basic 6L6 models. It adds a great warmth and sound to any modern or vintage amps. Sovtek...NP156-2$66.74 -
New Sovtek 5881 / 6L6WGC Vacuum Tube
Sovtek
$32.21New Plate Current Tested Sovtek 5881 / 6L6WGC Vacuum Tube The Sovtek 5881 / 6L6WGC are frequently found to be a great replacement alternative to other basic 6L6 models. It adds a great warmth and sound to any modern or vintage amps. Sovtek brings...NP156-1$32.21 -
New Matched Sextet (6) Svetlana SV-6L6GC Reissue Vacuum Tubes
Svetlana
$252.02Brand New Plate Current Matched Sextet (6) Svetlana SV-6L6GC Vacuum Tubes Svetlana's design is based upon the vintage Sylvania 6L6GC/STR387 tubes. Ruggedized with thickened mica spacers and a gold plated grid, this is a great tube for use in a high...NP148-6$252.02 -
New Matched Quad (4) Svetlana SV-6L6GC Reissue Vacuum Tubes
Svetlana
$166.82Brand New Plate Current Matched Quad (4) Svetlana SV-6L6GC Vacuum Tubes Svetlana's design is based upon the vintage Sylvania 6L6GC/STR387 tubes. Ruggedized with thickened mica spacers and a gold plated grid, this is a great tube for use in a high...NP148-4$166.82 -
New Matched Pair (2) Svetlana SV-6L6GC Reissue Vacuum Tubes
Svetlana
$84.84Brand New Plate Current Matched Pair (2) Svetlana SV-6L6GC Vacuum Tubes Svetlana's design is based upon the vintage Sylvania 6L6GC/STR387 tubes. Ruggedized with thickened mica spacers and a gold plated grid, this is a great tube for use in a high...NP148-2$84.84 -
New Svetlana SV-6L6GC Reissue Vacuum Tube
Svetlana
$40.78New Plate Current Tested Svetlana SV-6L6GC Vacuum Tube Svetlana's design is based upon the vintage Sylvania 6L6GC/STR387 tubes. Ruggedized with thickened mica spacers and a gold plated grid, this is a great tube for use in a high powered amplifier. ...NP148-1$40.78 -
New Matched Octet (8) Tung-Sol 7027A Vacuum Tubes
Tung-Sol
$452.48New Plate Current Matched Octet of Tung-Sol Reissue 7027A Vacuum Tubes The 7027A boasts a vigorous and sturdy output and is a fantastic complement to most vintage Ampeg amps. Will work in place of: 7027, 7027A Testing and/or Matching At...NP143-8$452.48 -
New Matched Quad (4) Tung-Sol 7027A Vacuum Tubes
Tung-Sol
$226.53New Plate Current Matched Quad of Tung-Sol Reissue 7027A Vacuum Tubes The 7027A boasts a vigorous and sturdy output and is a fantastic complement to most vintage Ampeg amps. Will work in place of: 7027, 7027A Testing and/or Matching At...NP143-4$226.53 -
New Matched Pair (2) Tung-Sol 7027A Vacuum Tubes
Tung-Sol
$114.69New Plate Current Matched Pair of Tung-Sol Reissue 7027A Vacuum Tubes The 7027A boasts a vigorous and sturdy output and is a fantastic complement to most vintage Ampeg amps. Will work in place of: 7027, 7027A Testing and/or Matching At...NP143-2$114.69 -
New Tung-Sol 7027A Vacuum Tube
Tung-Sol
$54.80New Plate Current Tested Tung-Sol Reissue 7027A Vacuum Tube The 7027A boasts a vigorous and sturdy output and is a fantastic complement to most vintage Ampeg amps. Will work in place of: 7027, 7027A Testing and/or Matching At VIVA TUBES,...NP143-1$54.80 -
New Matched Octet (8) Tung-Sol 6L6G Fat Bottle Vacuum Tubes
Tung-Sol
$677.51New Plate Current Matched Octet of Tung-Sol Reissue 6L6G Fat Bottle Vacuum Tubes The Tung-Sol 6L6G features the same internal construction as the 6L6G straight bottle, but is put into the traditional larger shouldered glass. Will work in place...NP141-8$677.51