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They are a small bit more efficient but it's not half the power drawn. Efficiency gains come from running at higher voltage and less current inside, and from using less internal components because of this. They are at most a few percent more efficient given the same impedance... but if you consider that you have to wire your korean to .5 to make the same power, they're much more efficient - but that isn't really a fair comparison as I personally won't run anything below 1 ohm daily.
10kW of output power will still require 10kW or more of input power. There is no way around this and stepping up the rail voltage doesn't magically make power. The "half the electrical" statements I've heard are bogus, along with 90% of the bashing of the amps as well. The fact is that most people don't understand how these amps work and either overhype them or are scared of using them for unnecessary reasons. Hypothetical numbers but think of it this way - 120v rail vs a 60v rail voltage. To produce 12,000w, the 120v rail will use 100 amps and the 60v rail will use 200 amps... so sure, the internal components see less amperage. But for the power supply to create this 120v * 100a it still requires 12kW of input power plus whatever the efficiency losses are.. same as the 60v rail. So the efficiency differences are caused by the efficiency of the components of the amp, not by making power out of nowhere with high voltage.
Brazilians aren't magic. But they also aren't bad amps as many people in this thread are trying to convey them.
10kW of output power will still require 10kW or more of input power. There is no way around this and stepping up the rail voltage doesn't magically make power. The "half the electrical" statements I've heard are bogus, along with 90% of the bashing of the amps as well. The fact is that most people don't understand how these amps work and either overhype them or are scared of using them for unnecessary reasons. Hypothetical numbers but think of it this way - 120v rail vs a 60v rail voltage. To produce 12,000w, the 120v rail will use 100 amps and the 60v rail will use 200 amps... so sure, the internal components see less amperage. But for the power supply to create this 120v * 100a it still requires 12kW of input power plus whatever the efficiency losses are.. same as the 60v rail. So the efficiency differences are caused by the efficiency of the components of the amp, not by making power out of nowhere with high voltage.
Brazilians aren't magic. But they also aren't bad amps as many people in this thread are trying to convey them.
