Attack of the Clone Amplifiers

The article is about how you can sell same thing for different dollar using different names and marketing strategies. It does not imply that the sound is the same on all described ones. 
I compared Bel Canto vs. Wyred and Bel Canto certainly is winner: Less fatigue, warmer sound and more clear high frequencies, but still uses nearly same 'ingredients' to build.

tomcy6,
I saw articles of similar nature since times back even before this article and even had chance to compare Bel Canto to Wyred4Sound. 
Wyred4Sound did not do better job vs. my Sunfire 300 amp, but Bel Canto amp substantially did, but was outside of my budget.