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(!!) (PAIR) E81L=6686 Siemens made By Valvo, Hamburg, Germany NOS 1968-1972 (18.4ma and 18.5ma)
(!!) (PAIR) E81L=6686 Siemens made By Valvo, Hamburg, Germany NOS 1968-1972 (18.4ma and 18.5ma)
$ 54.99
1 pair) E81L=6686 Siemens made By Valvo, Hamburg, Germany NOS 1968-1972
1 tube) 18.4ma Gm=10,000 (1968)
1 tube) 18.5ma Gm=10,100 (1972)
(10,000 hour Power Pentode)
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