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)
$12.90 $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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