ELECTRO Harmonix-6L6Gc Valve
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.
• Modeled after the vintage RCA 6L6GC "blackplate"
• Mica spacers with metal springs eliminate tube rattle and microphonics
• 5881/KT66 equivalent
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.