Cello Performance Amplifier II (Monoblock Pair) Lightly Serviced

General: Very rare and very collectable monoblock amplifiers. "For 15 years Mark Levinson and the engineers at Cello created the world's best high fidelity equipment, and the continued interest in the equipment speaks to the enduring quality and performance of those products. The Cello Ltd. product line consisted of speakers, amplifiers, pre-amplifiers, and peripherals." These are unique Mark Levinson Cello Performance II monoblock amplifiers. They're configured as dual-chassis per channel of amplification, for a total of 4 boxes. These amplifiers are later version Performance II's rated at 200 Watts at 8 ohms, and 400 Watts at 4 Ohms.We performed a light service and a full test in our lab and listing area where they performed admirably at their full rated power.Overall condition is pretty solid with very clean faceplates and all hardware intact. The top covers do have some scratches since they are made of soft aluminum. In my opinion it would be difficult to find a better built and so