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(!!!!!) (Best Overall Single) CK-5687WB Raytheon black plates NOS 1960's (40.5ma/42ma) (Audio Note, Modwright, Manley) Highest mA and Gm
(!!!!!) (Best Overall Single) CK-5687WB Raytheon black plates NOS 1960's (40.5ma/42ma) (Audio Note, Modwright, Manley) Highest mA and Gm
$ 69.99
1 low noise tube) CK-5687WB Raytheon black plates NOS 1960's
1 section) 40.5ma Gm=12,400
1 section) 42.0ma Gm=12,700
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
- Modwright preamp
- Audio Note DAC 4
- Audio Note Jinro amp
- Audio Note L3
- Audio Note M3, M7 preamp
- Manley
- Ray Samuels Raptor and B52
- Aria VW5XL
- Modwright Sony DVP999ES
- Audion 845 Black Shadow
- Bottlehed Smack
See more: vacuum tube
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 (Best Overall Single) CK-5687WB Raytheon black plates NOS 1960's (40.5ma/42ma) (Audio Note, Modwright, Manley) Highest mA and Gm "Pin It")