Douglas_Schroeder, just out of curiosity...why were 2 different opamps (LME49720 and LME49710) used instead of just one type?
Success Rolling Opamps in EE Minimax DAC
I'll try to reign in my nearly unbridled enthusiasm for a recent uber-economical tweak, rolling Opamps in the Eastern Electric Minimax DAC.
On encouragement of Chris and Melissa Owens from Clarity Cable I swapped them out (note; this voids the warranty!), with resounding success. A more powerful upgrade per dollar in decades of messing with systems and tweaks does not come to mind.
My brief instructional discussion on this experience appears at Dagogo.com
http://dagogo.com/View-Article.asp?hArticle=841
On encouragement of Chris and Melissa Owens from Clarity Cable I swapped them out (note; this voids the warranty!), with resounding success. A more powerful upgrade per dollar in decades of messing with systems and tweaks does not come to mind.
My brief instructional discussion on this experience appears at Dagogo.com
http://dagogo.com/View-Article.asp?hArticle=841