Quote:
Originally Posted by daveyf
Interesting, I would question whether the Tele 12AX7's contributed heavily to the fact that you heard 'more meat on the bones' with the older amp....this would not surprise me. You may need to consider the fact that the D79B is more difficult to bias than the Ref 75...otherwise if you are happy with the older amp, why not just keep it?
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I agre that the the Telefunken 12AX7’ s maybe responsible for the meatier mids . The D79B’s are easy to bias bec it also had meters in front and the adjustment ports are right in front just like the REF 75 . The D.C. balance can likewise be adjusted easily one just need a digital voltage meter . No plans in selling my D79B’s because it’s partnered w/ another D79B, w/c has the succeeding serial no.’s , w/c I use w/ the ARC EC21 active crossover driving my factory rebuilt Magnepan MG3A ( vintage system )