Well I live in an apt (in SF no less) and I had no issues installing a dedicated 20A line. I used Cardas outlets. It was a bit spendy at ~$1K all in, but totally worth it. My amps (Vinnie Rossi) don't draw nearly as much as the Krell, and I can typically only listen at moderate levels; but my Transparent conditioner really wanted 20A, so I did it.
Can you put a Krell in an apartment?
As you see I am a total "goner" living in a cheap apartment with about 50 grand in Audiophile equipment. I am looking at purchasing an old krell "FPB 400 CX" amp that the manufacturer says needs a dedicated 20 amp line. Can you still run this amp off a regular electrical outlet? If you can, will it sound like crap?