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(!!!!) (Best Single 1961) 5687 GE 5 Star NOS 1961 (33ma/37ma) (Audio Note, Modwright)
(!!!!) (Best Single 1961) 5687 GE 5 Star NOS 1961 (33ma/37ma) (Audio Note, Modwright)
By Tube World
$ 79.99
1 low noise tube) 5687 GE 5 Star NOS 1961
1 section) 33ma Gm=11,500
1 section) 37ma Gm=12,200
Tested on Amplitrex
Vplate=120V
Vgrid=-2V
Good Ma range 28-35ma
Good Gm range = 10K-12K
7119 is best sub for a 5687 and visa versa
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See more: vacuum tube
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 (Best Single 1961) 5687 GE 5 Star NOS 1961 (33ma/37ma) (Audio Note, Modwright) "Pin It")