Originally Posted by carp
Before I finished my 8 subs I had 2 dedicated lines run, both 20 amps. I thought that would be fine based on advice from the forum but I wish I had gone with 30 at least. I've tripped my breaker 10 times roughly and I want a setup where it never happens.
My system draws 1300watts RMS @ idle, and 2400watts RMS when thumping it near clipping, and the breakers I have them connected to can support 15600watts RMS.
Sounds pretty low for 10 amplifiers rated for 35kW peak across 22 channels and 5 breakers doesn't it? (YES, including a clone and an iTech 8000 etc...)
With my sound system, I've never popped a single breaker. But they ARE properly sized to spec.
The CV-5k is a class-H right? That's probably why you popped it. The voltage was probably sagging too, drawing even more current to make up for it.
The power supply of the clones is a switcher @ +90% efficient, where as Class-H is 50%, so (in theory) you could get 40% more power out of the same circuit before it popped just by using a different amp and changing nothing else.
The CV-5k outputting 600watts RMS x2, and dissipating the other 1200watts RMS as heat and then popping the breaker rated for 2400watts RMS. Physics sucks doesn't it?