6BK4C used
By Tube World
$ 19.00
1) 6BK4C GE NOS glass tilted in base
1) 6BK4C El Menco JAPAN used/tests good
1) 6BK4C/6EL4A RCA used/tests good
2) 6BK4C/6EL4A Sylvania used/tests good (1) branded Magnavox (1) Sylvania
6BK4C=6EL4A
See more: vacuum tube
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