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(!!!!) (#1 6SN7GTB GE Quad 1960's) 6SN7GTB GE NOS 1960's matched quad closely matched

(!!!!) (#1 6SN7GTB GE Quad 1960's) 6SN7GTB GE NOS 1960's matched quad closely matched

$ 149.99

1 low noise matched quad) 6SN7GTB GE NOS 1960's same build copper grid posts

1 tube) 7.6/7.6ma Gm=2600/2600

1 tube) 7.4/7.8ma Gm=2600/2700

1 tube) 7.6/7.8ma Gm=2600/2700

1 tube) 7.8/8.0ma Gm=2600/2700

 

Good Ma range 7-9ma

Good Gm range 2400-2600

 

Best Value 6SN7GTB

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