(1) Tested RCA 6GH8A Tube with Box Date Code HE Triode Sharp Cutoff Pentode Tube

(1) Tested Lindal 6GH8A Tube with Box Japan Code 448 Triode Sharp Pentode (a)

NEW!! RCA 6GH8A Vacuum Tube - 100% TESTED

(1) Tested Lindal 6GH8A Tube Japan Code 448 Triode Sharp Cutoff Pentode (b)

(1) Tested Lindal 6GH8A Tube with Original Box Triode Sharp Cutoff Pentode

NOS GE 6GH8A Vacuum tube - Tested

(1) Tested Strong Sylvania 6JC8 Tube Date Code NR JAG Triode Pentode Tube

(1) Tested Sylvania 6KA8 Tube with Box Date Code RAA Triode Pentode Tube