Electro Harmonix KT90 Platinum Matched Quartet
4 Pieces. The KT90 EH is a suitable replacement for any KT88 or 6550 tube. This tube is excellent quality and a solid performer in both hifi and guitar amps.
- Replacement for KT88 or 6550
- Many OEMs use relabeled Electro Harmonix vacuum tubes in their amplifiers
- Made in Russia
Electro Harmonix tubes are all new designs and are of excellent quality. Many OEMs use relabeled Electro Harmonix vacuum tubes in their amplifiers. If you want great sounding tubes at a very reasonable price, then Electro Harmonix tubes should be on your list.