If I run the m900 in 2ohm mode into 2 8ohm cabs, is that safe for the head and cabs?
The 2 ohm mode approximately halves the power output from the head. So in 2 ohm mode, a four ohm load receives around 500 watts. In 4 ohm mode, a 4 ohm load gets 900 watts and a 2 ohm load will break your amp!
