I can’t speak to the Onkyo 906 specifically but I’ve run my Onkyo 3007 over 2 hours playing Goa Trance (130+ beat/minute bass) on my M80s at 100dB and it never got so hot I couldn’t hold my hand on it. As far as I can tell it doesn’t get any hotter than my Denon 2807 did FWIW.


3M80 2M22 6QS8 2M2 1EP500 Sony BDP-S590 Panny-7000 Onkyo-3007 Carada-134 Xbox Buttkicker AS-EQ1