New Gain Matched Quad of Electro-Harmonix EF86 (6267) Vacuum Tubes There is finally a new production EF86 and a great audio pentode for many different applications. The vintage EF86s, while having great tone, are notoriously plagued with noise...

New Gain Matched Pair of Electro-Harmonix EF86 (6267) Vacuum Tubes There is finally a new production EF86 and a great audio pentode for many different applications. The vintage EF86s, while having great tone, are notoriously plagued with noise...

New Gain Tested Electro-Harmonix EF86 (6267) Vacuum Tube There is finally a new production EF86 and a great audio pentode for many different applications. The vintage EF86s, while having great tone, are notoriously plagued with noise. Electro-Harmonix...

New Plate Current Matched Quad of Electro-Harmonix 6973 Vacuum Tubes Thanks to Electro-Harmonix the 6973 is finally affordable and easy to find! This tube has long caused trouble as the originals are so scarce. Many companies were re-branding the less...

New Plate Current Matched Pair of Electro-Harmonix 6973 Vacuum Tubes Thanks to Electro-Harmonix the 6973 is finally affordable and easy to find! This tube has long caused trouble as the originals are so scarce. Many companies were re-branding the less...

New Plate Current Tested Electro-Harmonix 6973 Vacuum Tube Thanks to Electro-Harmonix the 6973 is finally affordable and easy to find! This tube has long caused trouble as the originals are so scarce. Many companies were re-branding the less powerful...

New Plate Current Matched Octet of Electro-Harmonix 6L6GC Vacuum Tubes Modeled after the vintage RCA 6L6GC black plate, the 6L6EH features large plate dimensions and improved grid structure for increased power handling capabilities. Also features mica...

New Plate Current Matched Sextet of Electro-Harmonix 6L6GC Vacuum Tubes Modeled after the vintage RCA 6L6GC black plate, the 6L6EH features large plate dimensions and improved grid structure for increased power handling capabilities. Also features mica...

New Plate Current Matched Quad of Electro-Harmonix 6L6GC Vacuum Tubes Modeled after the vintage RCA 6L6GC black plate, the 6L6EH features large plate dimensions and improved grid structure for increased power handling capabilities. Also features mica...

New Plate Current Matched Pair of Electro-Harmonix 6L6GC Vacuum Tubes Modeled after the vintage RCA 6L6GC black plate, the 6L6EH features large plate dimensions and improved grid structure for increased power handling capabilities. Also features mica...

New Plate Current Tested Electro-Harmonix 6L6GC Vacuum Tube Modeled after the vintage RCA 6L6GC black plate, the 6L6EH features large plate dimensions and improved grid structure for increased power handling capabilities. Also features mica spacers with...

New Plate Current Matched Octet of Electro-Harmonix KT90 Vacuum Tubes This tube has a bit more power than a KT88 but with the classic warm, bass-drenched sound of an EL34. The tube really is the best of both worlds. These are drop-in substitutes for a...

New Plate Current Matched Sextet of Electro-Harmonix KT90 Vacuum Tubes This tube has a bit more power than a KT88 but with the classic warm, bass-drenched sound of an EL34. The tube really is the best of both worlds. These are drop-in substitutes for a...

New Plate Current Matched Quad of Electro-Harmonix KT90 Vacuum Tubes This tube has a bit more power than a KT88 but with the classic warm, bass-drenched sound of an EL34. The tube really is the best of both worlds. These are drop-in substitutes for a...

New Plate Current Matched Pair of Electro-Harmonix KT90 Vacuum Tubes This tube has a bit more power than a KT88 but with the classic warm, bass-drenched sound of an EL34. The tube really is the best of both worlds. These are drop-in substitutes for a...

New Plate Current Tested Electro-Harmonix KT90 Vacuum Tubes This tube has a bit more power than a KT88 but with the classic warm, bass-drenched sound of an EL34. The tube really is the best of both worlds. These are drop-in substitutes for a 6550 or KT88...

New Plate Current Matched Octet of Electro-Harmonix KT88 Vacuum Tubes The Electro-Harmonix KT88 is different than the Electro-Harmonix 6550. While they are both great tubes, the KT88 version is modeled after the British original and has a different...

New Plate Current Matched Sextet of Electro-Harmonix KT88 Vacuum Tubes The Electro-Harmonix KT88 is different than the Electro-Harmonix 6550. While they are both great tubes, the KT88 version is modeled after the British original and has a different...

New Plate Current Matched Quad of Electro-Harmonix KT88 Vacuum Tubes The Electro-Harmonix KT88 is different than the Electro-Harmonix 6550. While they are both great tubes, the KT88 version is modeled after the British original and has a different...

New Plate Current Matched Pair of Electro-Harmonix KT88 Vacuum Tubes The Electro-Harmonix KT88 is different than the Electro-Harmonix 6550. While they are both great tubes, the KT88 version is modeled after the British original and has a different...

New Plate Current Tested Electro-Harmonix KT88 Vacuum Tube The Electro-Harmonix KT88 is different than the Electro-Harmonix 6550. While they are both great tubes, the KT88 version is modeled after the British original and has a different internal plate...

New Plate Current Matched Octet of Electro-Harmonix EL84 (6BQ5) Vacuum Tubes Finally, an Electro-Harmonix version of the EL84 power tube. Expect them to take the heat in AC30 amps. Electro-Harmonix says this about their tube; "The EL84EH tube faithfully...

New Plate Current Matched Sextet of Electro-Harmonix EL84 (6BQ5) Vacuum Tubes Finally, an Electro-Harmonix version of the EL84 power tube. Expect them to take the heat in AC30 amps. Electro-Harmonix says this about their tube; "The EL84EH tube faithfully...

New Plate Current Matched Quad of Electro-Harmonix EL84 (6BQ5) Vacuum Tubes Finally, an Electro-Harmonix version of the EL84 power tube. Expect them to take the heat in AC30 amps. Electro-Harmonix says this about their tube; "The EL84EH tube faithfully...

New Plate Current Matched Pair of Electro-Harmonix EL84 (6BQ5) Vacuum Tubes Finally, an Electro-Harmonix version of the EL84 power tube. Expect them to take the heat in AC30 amps. Electro-Harmonix says this about their tube; "The EL84EH tube faithfully...

New Plate Current Tested Electro-Harmonix EL84 (6BQ5) Vacuum Tube Finally, an Electro-Harmonix version of the EL84 power tube. Expect them to take the heat in AC30 amps. Electro-Harmonix says this about their tube; "The EL84EH tube faithfully recreates...

New Gain Matched Octet of Electro-Harmonix EL34 Vacuum Tubes The Electro-Harmonix EL34EH is extremely musical and predictable with a sound that is rich, smooth, and detailed without being edgy. It is the perfect EL34 for vintage equipment and a sure way...

New Gain Matched Sextet of Electro-Harmonix EL34 Vacuum Tubes The Electro-Harmonix EL34EH is extremely musical and predictable with a sound that is rich, smooth, and detailed without being edgy. It is the perfect EL34 for vintage equipment and a sure way...

New Plate Current Matched Pair of Electro-Harmonix EL34 Vacuum Tube The Electro-Harmonix EL34EH is extremely musical and predictable with a sound that is rich, smooth, and detailed without being edgy. It is the perfect EL34 for vintage equipment and a...

New Plate Current Tested Electro-Harmonix EL34 Vacuum Tube The Electro-Harmonix EL34EH is extremely musical and predictable with a sound that is rich, smooth, and detailed without being edgy. It is the perfect EL34 for vintage equipment and a sure way to...

New Plate Current Matched Octet of Electro-Harmonix 6V6 (6V6GT) Vacuum Tubes The all new 6V6EH combines a specially developed cathode coating, careful alignment of the grid, and tri-alloy plate material to create a rugged yet wonderful-sounding 6V6 that...

New Plate Current Matched Sextet of Electro-Harmonix 6V6 (6V6GT) Vacuum Tubes The all new 6V6EH combines a specially developed cathode coating, careful alignment of the grid, and tri-alloy plate material to create a rugged yet wonderful-sounding 6V6 that...

New Plate Current Matched Quad of Electro-Harmonix 6V6 (6V6GT) Vacuum Tubes The all new 6V6EH combines a specially developed cathode coating, careful alignment of the grid, and tri-alloy plate material to create a rugged yet wonderful-sounding 6V6 that...

New Plate Current Matched Pair of Electro-Harmonix 6V6 (6V6GT) Vacuum Tubes The all new 6V6EH combines a specially developed cathode coating, careful alignment of the grid, and tri-alloy plate material to create a rugged yet wonderful-sounding 6V6 that...

New Plate Current Tested Electro-Harmonix 6V6 (6V6GT) Vacuum Tube The all new 6V6EH combines a specially developed cathode coating, careful alignment of the grid, and tri-alloy plate material to create a rugged yet wonderful-sounding 6V6 that performs...

New Matched Quad of Electro-Harmonix 6BM8 (ECL82) Vacuum Tubes The world's only new production 6BM8 featuring a more robust plate structure for better sound. A fairly obscure tube but popular enough that Electro-Harmonix decided to reissue it. As the...

New Matched Trio of Electro-Harmonix 6BM8 (ECL82) Vacuum Tubes The world's only new production 6BM8 featuring a more robust plate structure for better sound. A fairly obscure tube but popular enough that Electro-Harmonix decided to reissue it. As the...

New Matched Pair of Electro-Harmonix 6BM8 (ECL82) Vacuum Tubes The world's only new production 6BM8 featuring a more robust plate structure for better sound. A fairly obscure tube but popular enough that Electro-Harmonix decided to reissue it. As the...

New Tested Electro-Harmonix 6BM8 (ECL82) Vacuum Tube The world's only new production 6BM8 featuring a more robust plate structure for better sound. A fairly obscure tube but popular enough that Electro-Harmonix decided to reissue it. As the supply of...

New Gain Matched Quintet of Electro-Harmonix 6922 Vacuum Tubes The 6922 is famous for its high gain and high general mutual transconductance. They're one of the sweetest and most dynamic 6922’s out. The 6922 is the long life, low noise version of...