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(!!!!!) (Best Overall Pair) 6SL7GT RCA NOS black plates gray coated glass 1953 and 1960 same build (2.3/2.5ma and 2.6/2.6ma)

(!!!!!) (Best Overall Pair) 6SL7GT RCA NOS black plates gray coated glass 1953 and 1960 same build (2.3/2.5ma and 2.6/2.6ma)

$ 109.99

1 low noise pair) 6SL7GT RCA NOS black plates gray coated glass 1953 and 1960 same build

1 tube) 2.3/2.5ma Gm=1600/1600 (60-17=1960)

1 tube) 2.6/2.6ma Gm=1500/1500 (3-17=193) slightly tilted glass - on right

 

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