jimmyfergus;187666 Wrote: > It doesn't "also have a DAC", it -is- a DAC. That is the point. The > digital PCM input is converted to a PWM stream in the digital realm, > and then the pulses are smoothed out directly for the speaker output. > This is definitely an over-simplification, as I originally pointed out, > and in fact that was the truly interesting area for discussion. > > To reiterate: this unit is not a DAC and amplifier integrated into one > box. On the contrary, to provide analog inputs, it runs them through > an ADC to generate _PCM_ input. In that case it, in composite, forms > what is effectively a variant of a class D amp, but with digital > conversion into the PWM stream. > > I can't imagine you're suggesting that, you can compare a digital input > power and the output analog, with a higher powered output than input > represents gain- that the gain of the Panasonic can be measured in > terms of the power of the S/PDIF input vs the speaker output? > > The issue is that there is nowhere in this amp where you could find an > analog signal to compare with the output, to measure gain. That's one > indication that this isn't an amp. > > As I said before, there will be a place where a binary digital signal > is turned into another, higher power binary digital signal, but that's > never really been considered amplification in the past has it? - that's > switching. > > So, to call these amplifiers, needs a new and very loose interpretation > of what an amplifier is, no matter what people's gut feelings may tell > them about what it looks like, or the what position it sits in in their > hifi cabinet.
Sorry, but I believe you are just complicating things. An amp is an amp is an amp. No matter how it is implemented. That non-technical consumers tend to think of "an amp" in one specific way has very little to do with anything. They just have to re-learn. -- P Floding No, I didn't ABX it. And I won't even if you ask me. (Especially not if you ask me.) ------------------------------------------------------------------------ P Floding's Profile: http://forums.slimdevices.com/member.php?userid=2932 View this thread: http://forums.slimdevices.com/showthread.php?t=33112 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
