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(!!!!!) (Best Single) 5687 GE 5 Star NOS 1965 (37ma/40ma) (Audio Note, Modwright)
(!!!!!) (Best Single) 5687 GE 5 Star NOS 1965 (37ma/40ma) (Audio Note, Modwright)
$ 79.99
1 low noise tube) 5687 GE 5 Star NOS 1965 (LU)
1 section) 37ma Gm=12,100
1 section) 40ma Gm=12,600
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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