The Melos was custom built on the output to match the impedance of the Dunlavy's. Also this unit was their new design including a revised power supply that gave it a Joule capacity equal to the ARC 600. These are both critical for solid bass and peak performance into the Dunlavy's. I don't think Melos was successful in their corporate reorganization this year so I think they are now out of business. The point of my original post here is to stress the need for LOTS of power to bring out the best with the SC-V's in a large room. Between the two ARC units I actually preferred the sound of the ARC VT-200 but as I said I prefer a warm sound. This is from having front row balcony seats for the Chicago Symphony for many years. The RCA classic recordings from the 50's were miked with that mid hall perspective and accurately captures the sound of the CSO. However, even before the Sigtech correction the peak capabilities of the VT-200 were pushed to the limit as measured and listened to. With Sigtech correction, there are places in the bass spectrum that required an 8db boost. This range of frequencies corresponds to the bass drum, so for Mahler or Stravinsky the amp demands are pretty outrageous when you then add a full brass choir in the midrange. I have measured the CSO at 112 db peaks live in that music! With the Sigtech, measured in room impulse and frequency response is superb. The musicality of these speakers is truely amazing. When we started listening last year we had budgeted a lot more for speakers and amps but for our tastes the Dunlavy SC-V's with the Melos gave us what we want. French Organ music is awesome. With the Melos out of business I would seriously consider a big VTL in Triode mode. I've not heard the Wolcott amps, but I would first like to know if they would be able to push 500-600 watt peaks into the Dunlavys.
