(!!) (PAIR) E81L=6686 Siemens made By Valvo, Hamburg, Germany NOS 1968 (13.4ma and 13.8ma)
$ 42.99
1 pair) E81L=6686 Siemens made By Valvo, Hamburg, Germany NOS 1968
1 tube) 13.4ma Gm=9600
1 tube) 13.8ma Gm=9200
(10,000 hour Power Pentode)
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 (PAIR) E81L=6686 Siemens made By Valvo, Hamburg, Germany NOS 1968 (13.4ma and 13.8ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_50829271-8809-4fc0-b89f-f65d740d96c8.jpg?v=1699118692){kind=link}
 (PAIR) E81L=6686 Siemens made By Valvo, Hamburg, Germany NOS 1968 (13.4ma and 13.8ma) "Pin It")