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Phase inverter tube choice question

I'm using a VTA ST-70 and wanted to ask a question about the two outer phase gain tubes. I understand that the center tube has the most effect on sound, while the outer tubes add very little or have no effect.

I'm not finding that?? Yes, there were minor (if any?) differences while using different brands of 12AU7's. However, I popped in a set of 5963's and heard quite a difference in sound. Didn't care for it, but it was noticeably different.

I prefer the 12BH7 in the center position. Would it be worth it to use them in the outer positions as well?

Thanks
charles


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Topic - Phase inverter tube choice question - airtime 09:05:53 05/08/20 (17)

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