There is no doubt the s-phile sample was a fluke or damaged because quality control does not get to a level higher than Yamamoto's.
Why hasnt yamamoto A-o11 gotten more love?
I've waited 3 months for a yamamoto sound craft A-011 intergrated.It has to be one of the most gorgeous audio pieces you will will see in our lifetime!!,I've owned many fine music appreciation devices,but this is phenominal!!!This willprobably be your last investment if you dig SET.4 watts of audio bliss,ILove this amp!!!!!!