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(!) (BEST SINGLE) 6137=6SK7 GE metal can NOS (10.6ma)

(!) (BEST SINGLE) 6137=6SK7 GE metal can NOS (10.6ma)

$ 9.99

6137=6SK7 GE 5 Star NOS 1959 computer-rated

10.6ma

Gm=2000

 

Good Ma = 8-9ma

Good Gm = 2000 

- Wards Airline 04wg.819a 1941
- Hallicrafters S-77 1950

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