 | E34L Matched Pair, Groove Tubes Octal power tube (Max Plate Watts = 25W) | $49.00 More Details |
 | ECC802 / 12AU7 Long Plate Gold Pin, JJ JJ Electronics ECC802/12AU7 dual triode, long plate with gold pins. | $24.75 More Details |
 | KT88 - Sovtek Sovtek KT88 Available in Singles, Matched Pairs, Matched Quads and Matched Sextets - please select from list. | Varies by Option More Details |
 | 6550A Valve Art Octal power tube (Max Plate Watts = 42W) | Varies by Option More Details |
 | KT88, Electro-Harmonix Electro-Harmonix KT88 Vacuum Tube High power kinkless-tetrode for use in amplifiers such as the Marshall Major. This tube is a favorite of audiophiles. Can be used in place of 6550 for a more "round" bass signature. | Varies by Option More Details |
 | 5751 - Sovtek Sovtek 5751 Sovtek 5751 dual triode. | $18.95 More Details |
 | 12AY7, Groove Tubes This tube is closest in specification to a 12AX7 and can be exchanged with a slight drop in gain. Most companies changed over to the 12AX7 as it became more common. This tube can be tried in later Marshall amplifiers in the first gain position, where the owner of these amps would like to drop the background noise and lower the gain level to plexi or early 70s vintage gain levels with its returned wider frequency response. | $23.00 More Details |
 | 7027A, JJ Octal power tube (Max Plate Watts = 30W) | Varies by Option More Details |