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6189W GE JAN NOS 1973 mica flake inside tube (9.0/9.2ma) 1-2% section balance

6189W GE JAN NOS 1973 mica flake inside tube (9.0/9.2ma) 1-2% section balance

$ 25.99

1 low noise tube) 6189W GE JAN NOS 1973 mica flake inside tube

9.0ma Gm=2100

9.2ma Gm=2100

 

12AU7 subsititute


5814A=12AU7 GE is also recommended

 

 

 

 

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