Buy a $15 USB fan. Respect the heat. Mix with your ears, not your fingertips. If you do that, the N11999 will give you stunning, thick, vintage tonality that no cool-running digital interface can touch.
If you are researching this unit, you aren't looking for a review of its faders or EQ curves. You are likely an owner, a potential buyer, or a troubleshooting technician trying to figure out one thing: Why does my N11999 run so hot, and is this dangerous?
was assuming users would accept 1960s thermal physics in a 2020s studio. They forgot that we now pack gear tightly into IKEA shelves and lack the airflow of a German broadcast facility.