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McCormack Upgrade reviews

I currently have a McCormack DNA-2 DLX and have read about the upgrades Steve will do at SMCaudio. It seems that everyone goes straight to Rev. A. This upgrade costs more than what I want to put into my amp right now as it is my highest quality piece and I think more benefit could be achieved by upgrading other equipment.

My question is this: Can anyone comment on the different revision levels C, B, A, and A+ as to improvements they experienced. I am considering a Rev. C right now but I rarely (if ever) see people commenting about this or the other level upgrades.
bundy
bob_bundus
1,834 posts
 
This is why we have a forum search engine. Type in McCormack & you won't believe what comes back! Here below are a links to few threads that I found regarding SMC upgrades. Since you already have a deluxe (me too) it would only make sense to go to Rev A, since Rev B is already on par with the Deluxe models. The A+ level I believe only adds balancing transformers at the inputs; only a useful feature if you're using long balanced interconnects.

http://forum.audiogon.com/cgi-bin/fr.pl?aamps&1019175364&read&keyw&zzmccormack

http://forum.audiogon.com/cgi-bin/fr.pl?aamps&991233259&read&keyw&zzmccormack

http://forum.audiogon.com/cgi-bin/fr.pl?aamps&1015172586&read&keyw&zzmccormack

http://forum.audiogon.com/cgi-bin/fr.pl?aamps&996515635&read&keyw&zzmccormack

http://forum.audiogon.com/cgi-bin/fr.pl?ymisc&1010515122&read&keyw&zzmccormack
kleiman421
62 posts
 
I had my DNA-1 Deluxe upgraded to Revision A Gold almost two years ago. The difference was astonishing and I have not regreted it at all. Every aspect of the amp was vastly improved. It was not inexpensive, but I feel it was definately worth it. In addition, it was a pleasure dealing with Steve and his assistant Derek. I would do it again.
garfish
1,840 posts
 
Bob B gives good advice. I had my DNA2DX upgraded to Rev A a year ago and was very pleased with the results. Steve's assistant is Kris Jeter (not Dekek Jeter, the baseball guy. I think Kleiman, above just made a mental goof). Both Steve and Kris are great to deal with. Good Luck, and Cheers. Craig
kleiman421
62 posts
 
Thanks for the correction Craig. You're right.
4yanx
1,576 posts
 
You guys know if Steve is planning to do upgrades on the McCormacks produced after C/J took it over - like the DNA-125 or 225?
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