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(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's

(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's

$ 49.99

1 low noise pair) 6FQ7/6CG7 Sylvania NOS 1970's same build

1 tube) 6.5/6.7ma Gm=2200/2200 

1 tube) 6.5/7.5ma Gm=2200/2300

 

Matched on Amplitrex

Vplate=250V

Vgrid=-8V

Good Ma = 7-9ma

Good Gm = 2300-2500

 

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