I've had a Stealth (the six-duplex variety) in my system for two days after Jerry burned it in for four days before shipping. I have a SS amp and tubed pre and felt I was missing fully extended bass and "slam". No more. If there continues to be improvement, as promised, with respect to bass tightness, further extension of highs, and expanded soundstage, it is WELL WORTH the price of admission - at least for me, a resident of Bay Area, California - dirty power central!
