6SJ7 Sylvania Sharp-Cutoff Pentode Vacuum Tube - TESTED

(1) Tested RCA 6HS8 Tube with Box Date Code AR Sharp Cutoff Twin Pentode Tube

(1) Tested RCA 6SJ7 Tube with Box Date Code 15E RCA 6SJ7 Sharp Cutoff Pentode

(1) Tested Sylvania 6AC7 Tube with Box Code FF Sharp Cut Off Pentode Tube

(1) Tested RCA 12AU6 Tube with Box Date Code 443 Sharp Cutoff Pentode Tube

(1) Tested RCA 3CE5 Tube with Box Date Code MG Sharp Cutoff Pentode Tube (b)

(1) Tested RCA 3AU6 Tube with Box Date Code FB Sharp Cutoff Pentode (b)

CBS Hytron 6V6 GT Dark Glass Audio Output Tubes Fully Tested Your Choice