(!!!!!) (Best Single) 5687 GE 5 Star NOS 1973 (37.5ma/33.5ma) (Audio Note, Modwright)
By Tube World
$ 79.99
1 low noise tube) 5687 GE 5 Star NOS 1973 (IH)
1 section) 37.5ma Gm=11,000
1 section) 33.5ma Gm=10,600
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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- Audio Note DAC 4
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- Bottlehed Smack
See more: vacuum tube
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 (Best Single) 5687 GE 5 Star NOS 1973 (37.5ma/33.5ma) (Audio Note, Modwright) "Pin It")