NEW GE 6SN7 GTB RED LABEL TALL BLACK BASE CHROME SIDED HALO MATCHING SET NIB

I place every 6SN7 Quad, Set or Single into my YaQin MC-100B Push-Pull Tube Amp. Then I listen! Sencore - Where70μA is Good these tubes peg right at200 μA on both Plates - NOS. Jackson - Where15mA at 70% is Good these tubes peg right at115% on both Plates - NOS.

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