(!!) (Recommended Single) 5881 GE Canada NOS 1970 (81ma) (same build as Tungsol)
$ 89.99
1 tube) 5881 GE Canada NOS 1970 (NC) in WB
81ma
Gm=5900
internally the same as Tungsol 5881
See more: vacuum tube
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 (Recommended Single) 5881 GE Canada NOS 1970 (81ma) (same build as Tungsol)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_9b038fab-2c8c-492d-8c85-800223cf6e12.jpg?v=1597408319){kind=link}
 (Recommended Single) 5881 GE Canada NOS 1970 (81ma) (same build as Tungsol) "Pin It")