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[–] [S] 2 points 1 week ago (3 children)

Fosi Audio Box X2 Phono Tube Preamp is what I have. Why did you upgrade your tubes? Do you hear any difference?

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  • [–] 2 points 1 week ago* (2 children)

    I upgraded mine to a roughly hundred dollar matched pair and no I don't notice a difference.

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