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(!!!!) (~ 2nd Best GE Pair ~) 6FQ7 Zenith by GE NOS 1977 closely matched

(!!!!) (~ 2nd Best GE Pair ~) 6FQ7 Zenith by GE NOS 1977 closely matched

$ 49.99

1 low noise pair) 6FQ7 Zenith by GE NOS 1977 series filaments

1 tube) 8.0/10.0ma Gm=2600/2800

1 tube) 7.6/9.4ma Gm=2600/2800

 

Matched on Amplitrex

Vplate=250V

Vgrid=-8V

Good Ma = 7-9ma

Good Gm = 2300-2500


 

 

 

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