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truth vs hype

> > The UCD limits current draw to 15 amp. The H2O delivers 45 amp. You have to feed hungry speakers.

If you live in the US your circuit breakers limit current draw to 15 amps.

To illustrate some of the much more severe IcePower module issues you should read some of Dan Fraser's posts on the DIYAudio forums: http://www.diyaudio.com/forums/showthread.php?postid=583623#post583623

Also, this is an interesting time vs power graph of an IcePower module that demonstrates a serious problem:

What the graph shows is that the IcePower module cannot produce anywhere near full power at high frequencies w/o damaging itself. This is what Dan was referring to in a few of his posts.

As for the Zobel networks, in the ICE 500A and 1000A, in early experimenting, I did blow the cap off the TO-220 4 ohm resistor in the zobel network of a couple of these before I learned to NOT to sustained high frequency testing. These amplifiers are for audio only, not for sine waves.

Also notable is that the frequency response of the IcePower modules is far more load dependent that the UcD modules and that they present half their power supply voltage at the speaker outputs.

Had the chance to compare directly an ICE against an UcD (180, older version), and the verdict is clear: go for the UcD's.

There's a lot of other good *objective* information out there. All you have to do is look for it...

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