Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it.

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Bob, I'm Pretty Angry At the Moment...

Posted by Doug Schroeder on January 26, 2012 at 08:02:56

In Reply to: RE: You Are Welcome To Make Your Own List... posted by Bob_C on January 25, 2012 at 20:04:16:

at the insinuation of my making things up. But I'm going to try to respond in a level-headed fashion.

I was reconstructing the experience from memory; people came to me with problems sourcing inexpensive Opamps; I did not go back to revisit the sites to recall if it was a prefix/suffix to the part numbers. Thanks for the correction.

However, it seems you have a fundamental distrust me, like I have some grand scheme for trying to ensure people can't get inexpensive Opamps. I don't give a shit where people buy opamps! If someone wants to post where to get them cheaply, great. More power to them. When I began looking into Opamp rolling I was recommended by an industry DIYer/Manufacturer to speak with Cimmaron for their custom Opamps, and that is the direction I took the article, as I've stated prior.

I have no intent on being the industry/community secretary and running down every occurrence of cheap opamps. When I had people coming to me privately seeking answers from the parts sources because they couldn't get the answers themselves as to which Opamps were correct they wanted me to get answers. I tried to help them out.

I deeply resent your not so veiled suggestions that I'm lying to help people get sales. My ONLY point of the previous post was that informationally if someone goes on their own to secure Opamps they can encounter problems picking the correct ones, and as happened with people who came to me with their unresolved questions; the supplier doesn't always have the answers for them, and the audiophiles who came with the questions obviously didn't have expertise to make such decisions.

If you want to disbelieve me, so be it. Do I have the answer why the LME 499990 isn't in the list? NO. Does it have something to do with supply, cost relative to Cimmaron's internal decision making? I don't know. Do I know all of the opamps for the unit? NO. Do I have a responsibility to the community to hunt down every last shred of evidence/information on opamp rolling? NO. I'm not writing an article; I'm pursuing this extra discussion on my own because I have vastly enjoyed the experience of opamp rolling.

It's ironic; the times I have gone above and beyond in trying to inform, add extra insight, give a little extra are the times when it becomes a PITA and it makes me feel like saying, "Forget it; I won't bother sharing the what I've learned." Why don't you show me where I have stated anywhere that other sources of Opamps are not to be trusted, as though one cannot get them elsewhere. What I DID state clearly, and have all along is that other sources may not have the answers that the audiophile needs. If you still think I'm making it up that people came to me with questions on it, then so be it.

I am not an expert in Opamps, so I rely upon someone who can devote time to discussion and education on the topic, like Phil. The reason I am not giving exhaustive lists of compatible opamps is because I am not an authority on it. I build and assess audio systems, and opamp rolling I find to be highly efficacious, therefore I mention it. I don't have any problem at all with the free market and price competition. I also do not simply promote high priced gear as the only solution to building supremely good rigs, or else I wouldn't be using the Minimax DAC in the first place.

So, kindly either become a friend and let's work together, or I'm done talking to you.

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