First time working with a 1590A but it went surprisingly well. Thanks to Felix for making the boards available at OSHPark (and for some email support) :)
https://oshpark.com/shared_projects/RMIZSbDa
cool stuff. Glad you like the boards
Woo! Love the SHO... Great job they look real clean :)
Nice, dig the knob placement
Cheers guys!