Korsun Duusun V6i

The korsun v6i is a monster of a power amp from china costing around 800 usd. It is a poor man's krell or Mark Levinson. Built like a tank with dual mono construction in 1 large aluminium box. It is kind of class A in that the first few watts are class A then it slides into AB mode as it is driven harder with output powers of 2x300 W into 4Ω and 2x150 W into 8Ω. I was not a fan of its pre-amp stage but seeing as the amp could be split by links at the rear it could be used as a pure power amp. I ran the amp in power-amp only mode for a while with my 12b4A tube pre-amp. This was a good combination on my Monitor Audio Studio 20SE speakers, the tube pre adding much better dynamics than the built in pre and a little warmth to the cold sound of Solid State.

On my electrostatic speakers the amp was not as successful a match as I had hoped for when compared to driving the Monitor Audio Studio 20SE. The amp sounded a little flat and un-dynamic some days. It hardly got warm to touch no matter the load or levels so it made me believe it was very under-biased and capable of much more. I think this could be a great amp in the right system and just a shame I did not have a service manual to tweak or modify it. I eventually sold this for less than some cheap plastic looking amps sell for on eBay and maybe I should have persisted with it a little more.