Is this a commercial product or a once off ?
The one in the pic is a proto to drive my ML1's.
If it sounds really good, I may make some more and sell them. The design has some pretty good features like no caps in sig path
/ no DC servos. Which is a bonus cost wise, 4 x Duelunds / amp =
It also can be built for a decent price given it's a pretty powerful amp (300W / 4).
Having said that there are some pretty decent Chinese offerings around for stupid cheap money ATM = tough market place.
Should be running very soon.