Used Audio Research REF210 mono blocks in great condition. Cosmetic Grade: A Electrical Grade: A
Original customer had them updated by ARC to use the newer KT120 tubes. Excellent condition and always kept in a non-smoking ultra-clean living environment by an owner who takes fastidious care of his equipment. Local Portland Oregon owner.
For performance these sit about 1/2 way between a stock REF210SE and a REF250SE. (from what we've been told). We understand that you can no longer get this upgrade.
Original box, inst. books, extra set tubes, and manual.