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Mccormack DNA-225 platinum

Over the weekend I purchased a Mccormack DNA 225 platinum for $400 at an estate sale along with a set of Vandersteen 5 speakers. I knew that Mccormack amps had a good reputation and only realized that it was a platinum when later when I set it up. I can't find much info on the platinum upgrades. Does anyone here know what was upgraded and what it means? Also what would a 225 with the platinum upgrade sell for? sorry for my basic questions. 
128x128mzwerner

Showing 2 responses by mitch2

mitch2
3,717 posts
 
You are a lucky garage sale shopper.
If the picture is your amp, I am pretty sure I see a Plitron transformer and a couple of Jensen (or Lundahl) transformers on the inputs.  I can't see much else from the picture. 
mitch2
3,717 posts
 
Garage sale find of the year!
Since SMc already confirmed it you know it has been upgraded but you might also pop the top and look for writing on the underside since Steve typically signs and dates all the upgraded pieces.  If you post a picture of the inside, folks here can probably chime in on much of what has been done.  

If you haven't seen this;
https://www.stereophile.com/solidpoweramps/545/index.html
More to discover