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(!!!!) (Recommended Pair) 6FQ7 GE NOS 1971-1979 (7.4/7.5ma and 6.9/7.1ma)

(!!!!) (Recommended Pair) 6FQ7 GE NOS 1971-1979 (7.4/7.5ma and 6.9/7.1ma)

$ 49.99

1 low noise pair) 6FQ7 GE NOS 1971-1979 series filaments

1 tube) 6.9/7.1ma Gm=2400/2500 (IE) 1971

1 tube) 7.4/7.5ma Gm=2400/2500 (KN) 1979

 

Matched on Amplitrex

Vplate=250V

Vgrid=-8V

Good Ma = 7-9ma

Good Gm = 2300-2500

 

Recommended for

Conrad Johnson

Audio Research

Ampeg

Stax

Marantz

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