I'd try something else. The design is pretty dated and IMO slightly veiled sounding in active mode and restricted in passive. But then again I only demoed the adcom for a week or so before moving on. My local dealer also stopped selling the Adcom line due to QC problems. The units like the "TVC" from Bent looks interesting from the standpoint of not having your output impeadence determined by the level of the volume control, but I have not heard one yet. However, it seems that "active" preamps are THE standard for even the most high-end of designers. That might say something.
Happy Holidays
Happy Holidays