2. amps-preamps
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Jeff Rowlands Amp and Dac vs. VAC amp and DAC

Hello, I am new to this forum but I have a question. I am trying to pair an amp + DAC with my Wilson Sabrinas. I have listened to Jeff Rowlands integrated with the Aeris DAC. And the VAC Sigma integrated with the Aeris DAC. Price is a factor and so is space. Does the 625 need a pre-amp? Any suggestions or thoughts? 
rinpoche
charles1dad's avatar
charles1dad
10,250 posts
 
Hi Ricred1,
This is one of the classic timeless High End  audio debates, active preamplifier versus direct source to power amplifier. I consistently find I prefer the inclusion of the active preamplifier, personal taste and nothing more. I do believe that Rinpoche is hearing excellent sound with her current direct set up, it’d be quite interesting to see her impressions if given the opportunity to insert the Corus or other high quality preamplifier into her fine system. You never know until you’ve experienced both approaches.
Charles,
guidocorona
4,298 posts
 

Hi Richard, to be more precise, my experience has been with Criterion rather than Corus. I have applied it to M312, M625, M725, and my current M925 monos over sevral years. While I am incredibly happy about driving my system without preamplifier, I do recognize that some might prefer Corus in the chain.


I might give Corus a try actually, as Rowland will be releasing the external 3-outputs power supply based on ultracapacitors, called PSU. PSU can power up to three compatible devices with DC power 24/7... Currntly, it is compatible with Aeris and Corus... Yes, both connected at the same time. People who have tested said its effect is transformative. Eventually, I hope to verify this on my own system... I would not be surprised if I fell in love with Corus all over again.


G.  

ricred1
2,053 posts
 
Charles,
You are correct and that's why I stated in "my system and to my ears." My point was that Guido is using a different, more powerful amp that may or may not be a significant factor in why the Aeris is great directly into the amp. Finally, we don't know what we don't know. If she hasn't added any active preamp,  she doesn't know if it can sound better. 
ricred1
2,053 posts
 
Guido,
As much guidance that you have provided me, I'm certainly not saying your wrong. What I'm suggesting is maybe be more conservative with cables, try a active preamp and then make a more informed decision on what has the most impact on her system. 
rinpoche OP
154 posts
 
Hello all, 
I did hear the 625 S2 with a preamp. I heard it with a high end ARC and it was really stunning. It was warm and just gorgeous. That is why I thought down the road I might add in a tube preamp. But, that decision, if you have learned anything about me here, will take time. I would love to hear it with the Corus as well. Of course, I am sure it will also sound fabulous. My dealer didn't have the Corus on hand to hear. Once I reach that plateau, and we all know it will happen, that will be the first thing I audition. I could let you all know when it happens, because I am sure it will. It is an exciting adventure and today I was loving where I am at. Although they say it's the journey and not the goal, when it comes to music, both are critical. You are an amazing bunch. Thank you so much for sort of holding my hand through this. Do you do this all the time because Audiogon is lucky to have you. 
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