FWIW, I was running a TAD-150 Signature with a McCormack DNA-125. I replaced the McCormack with the TAD-60 and I am very pleased. No bass loss and better midrange and detail.
Well, I received the TAD-60, biased the tubes in 15 minutes. Hooked up to the TAD-150 and I will definitely say that I am not sorry I sold the McCormack. It took about thirty minutes to really sing. Bass actually stronger and tighter, midrange incredible, detail and soundstage wider and deeper. Very well balanced. I will post an actual review after a few weeks but, first impression consistent with Mezzro...
Left work early to come home and hook it up. Let it run for about an hour before sitting down to listen.
WOW! It's VERY nice right out of the box. Smooth, tight, extended, detailed, you name it! I didn't know tubes sounded this good. I can't wait to hear what it sounds like in a week.
If anyone is thinking about one of these, take the plunge.
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