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In Reply to: RE: matched power tubes and bias posted by barondla on May 09, 2008 at 17:52:16
retubing my MB-450s. I bought four matched quads just because I could. Because each tube is biased individually, I don't know if there really is any advantage to doing so. With my previous Audio Research VT-100 amp, however, it required matched quads because one could only bias each quad collectively.
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