One Audio Research Reference 5SE high end audio preamplifier in a fantastic condition (optically and technically), original 230 volts version from the Dutch distributor. Just one of the best preamplifiers in the world! It’s dynamics, detail, soundstage, resolution and depth are breath taking. The tubes are pretty new, they have been used for around 225 hours only (can be checked digitally on the amplifier). The original box, manual and remote control are included. Serial number is 51304903. Retail price is 15.990 euro. Check our other listings for more interesting items. Free shipping worldwide!