Audio Research DSi200 with Dyns C1 Signature

The ARC DSi200 Amp will be an awesome match for your speakers..its what they want...high power,control and speed. I wouldnt hesitate to match that up.

Haven't heard the ARC with The C1's but I also have the C1 sigs. Started with the original C1's then upgraded to the Sigs. I had the Octave V70SE and have since upgraded to the V110. Even had an in home demo of the V40. With each step up with the Octave you get a little more 'control' in the sound.

I have read on the forums here that with ARC tube rolling isn't all that easy to bias the tubes right. Biasing is super easy with the Octave and have rolled many different tubes (that's 1/2 the fun of a tube amp LOL). I did hear and was very impressed with an ARC tube amp driving Sonus Faber Cremora auditor M's. All I remember with the ARC is it had 8 6550 output tubes and the room got very hot in just over an hour. It was after that demo I heard the Dyn C1's and bought them.

Both ARC and Octave are great sounding.

Best of luck whatever you decide

The ARC to which the original poster is referring is not a tube amp but a digital/switching integrated.

I've owned the DSI200 for a short period. I believe it can handle efficient speakers with ease, producing a punchy, airy sound and stable soundstage. I've matched them with ATC SCM19, which was a great combination. Since C1 is more efficient than ATCs, the result can be spectacular. Go for it !