Engl Invader 100 Gold Smooth - EH Tube Set
Electro Harmonix replacement tubes kit for the Engl Invader 100. Premium gold set. Special selection set: uses KT77 tubes for punch and sparkling clarity. 3x 12AX7 EH Gold, 1x 12AX7 EH Gold Balanced, 4x KT77 Platinum Matched.