Audio Systems: current truth, qsc rmx 2450, clipping power


Question
Hello my question is regarding the QSC RMX 2450, I was looking for a new amp and just notice this one has a (15 amp breaker) witch is 1800 watts.So why does QSC say it can put out 2400 brigde mono witch is 20 amps?

Answer
Theoretically you are correct.  And, if the amplifier actually delivers the full 2400 watts for a long enough period of time the breaker will open up.  However, the breaker is probably designed for heat delay because music is dynamic and it is very unlikely that with music or voice running through it with peaks clipping it into hard drive that the actual power being delivered would come anywhere near to the full power.  Only under test conditions do you get these full power conditions.

In actual testing of various kinds of music it is observed that actual real power is like about 1/10th of the full power.  So, for a 2400 watt amplifier driven with music that has peaks that drive it to full clipping power the real heating power would likely be in the 200 to 300 watt area.

Does that make sense?  Let me know if that doesn't sound right.  

PS: Have you asked QSC about this?  They may have a different viewpoint on it.