1974 Holland Amperex 6DJ8 ECC88 Tube – Hickok TV-2B Tests @ 100/111, min:65/65
Type 6DJ8 / ECC88 vacuum tube. One tube, circa 1974, Holland made by Heerlen Amperex . (Triode#1 / Triode#2). Hickok TV-2B/U tested. Hickok TV-2B/U is a mutual conductance (Gm) type tube tester.
