Melos MA-333 Reference preamp in excellent both cosmetic and working condition. Tubes are the rare and highly desirable SOVTEK 6922 x 4 (MACHED). These were bought NOS recently with little use since. The pre-amp was first released in the US around mid 90s, it was a Class A Recommended Component by Stereophile back in Oct 1998 , and was favorably reviewed by Russell Novak in Stereophile’s April 1994 issue. Cost then in USD was $4400. It was renowned to have an excellent level of tonal richness and absence of grain, ambiance retrieval, beautiful tone, quiet gain; great sound staging quality and long term listen-ability. This is a plug and play preamp without any hassle. It has the preferred feature of being a fully balanced pre-amp and has Balanced (XLR) and RCA connections.Comes in two chassis, power supply and line stage preamp and weighs ~ 25kgs. The chassis covers are made with thick copper. UK POST ONLY.