Modelled after the vintage RCA 6L6GC "black plate," the 6L6EH features large plate dimensions and an improved grid structure for increased power handling capabilities. It also features mica spacers with metal springs to eliminate tube rattles and microphonics. The 6L6EH offers tone and performance superior to any other 6L6 or KT66 type.

Superior power Beam tetrode with large plate dimensions and improved grid structure for increased power handling capabilities. Excellent tone and performance compared to most other 6L6 or KT66 types.

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.