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(!) 5687 GE rebranded Sylvania black plates

(!) 5687 GE rebranded Sylvania black plates "O" getter NOS 1960's (35.6ma/37.4ma)

$ 29.99

1 low noise tube) 5687 GE rebranded Sylvania black plates "O" getter NOS 1960's (tube is etched 5687)

1 section) 35.6ma Gm=11,900

1 section) 37.4ma Gm=12,100

Tested on Amplitrex

Vplate=120V

Vgrid=-2V

Good Ma range 28-35ma

Good Gm range = 11K-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 preamp
- Manley
- Ray Samuels Raptor and B52
- Aria VW5XL
- Modwright Sony DVP999ES
- Audion 845 Black Shadow
- Bottlehed Smack

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