(1) Tested RCA 6BH6 Tube with Box Date Code CJ Sharp Cutoff Pentode Tube

(1) Tested RCA 6BH6 Tube Date Code BP RCA Sharp Cutoff Pentode Tube

(1) Tested Strong Sylvania 6BH6 Tube Date Code 013 AMC Sharp Cutoff Pentode Tube

(1) Tested Philco 6BH6 Tube with Box Sharp Cutoff Pentode Tube

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

(1) Tested RCA 12AW6 Tube with Box Date Code 822 Sharp Cutoff Pentode Tube

(1) Tested Sylvania 3CF6 Tube Date Code RAA Sharp Cutoff Pentode Tube

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