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(!!!) (Recommended Pair) 6BG6GA GE NOS 1974 (81ma and 82ma)

(!!!) (Recommended Pair) 6BG6GA GE NOS 1974 (81ma and 82ma)

$ 19.99

1 matched pair) 6BG6GA GE black plate NOS (KI) 1974

1 tube) 81ma Gm=6400 

1 tube) 82ma Gm=6500 glass slightly tilted

  

Tested on Amplitrex

Vplte=250V

Vscreen=250V

Vgrid=-15V

Good Ma = 70-75ma

Good Gm = 5500-6000 

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