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(!!) (Best Pair) 6AC7 GE 1958-1971 test like new (11.4ma/11.2ma)

$ 11.99

1 pair) 6AC7 GE test like new 

1 tube) 11.4ma Gm=10,300 1971

1 tube) 11.2ma Gm=9800 1958

 

Good Ma = 7-10ma

Good Gm range 8000-10,000

 

- Mr. Liang Audio 845-3
- Welbourne Laurel IIx SET (WE 300B)
- JAS Bravo 2.3 integrated amp

 

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