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(!!!!) (Best Pair #2) 5670W GE NOS 1986 (8.2/9.2ma and 8.2/9.2ma) 1-3% matched

(!!!!) (Best Pair #2) 5670W GE NOS 1986 (8.2/9.2ma and 8.2/9.2ma) 1-3% matched

$ 54.99

1 pair) 5670W GE NOS 1986

1 tube) 8.2/9.2ma Gm=5400/6000

1 tube) 8.2/9.2ma Gm=5700/5800

 

Matched on Amplitrex

Vplate=150V

Vgrid=-1.9V

Good Ma = 6 - 8ma

Good Gm = 5000-5500

 

5670=2C51=396A=6C3P=6N3P

 

 

 

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