If your looking for a low electrical noise power supply avoid the Seasonic S12II ATX power supply. I assume it is causing by ground loop issues. My computer's "earth" is full of RF noise in the MHz region that is when shorted with a cap a clear 50 Hz can be seen on a scope, I was wondering if...
Check out this cool new gizmo:
It isolates usb device's ground connections. For instance, my laptop causes my usb soundcard to hum when connected to an amp - I use a ground lifter on the laptop to get rid of it, but this gizmo is probably safer.
Just finished my open baffle full range speakers with plate amp for each speaker. Also just finished my simple se tubelab amp.
I'm using a cj pv2aR pre amp. The crossover for the full range is a series cap mounted in the cj pre amp.
No hum when plugging in the cd direct to the amp. ( plate...