Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
We appreciate your help
in keeping this site going.
I wonder what would happen if you just rectified the filament current to DC? Assuming all else was working perfectly, would it reduce or eliminate the hum?
Hybrid Mode
