But the AKG 240s are semi-open back headphones thus don't you risk sound bleeding with them? The AKG K52 are closed back, thus no bleeding.

I have read the semi and open back head phones can cause problems like this. I have no personal experience as I only have used closed back. YMMV


My goal this weekend is to move just enough each day so that no one pokes me to see if I'm dead or not.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware