Saki70, in my experience virtually everything can impact dynamics. I have enhanced dynamic with dacs, amps, ac filters, vibration controls, cables, and even wall outlets. So, I agree largely with Agear.
Atmasphere, I don't think the human ear judges loudness in audio. Certainly we can sense loudness outside our listening room and there it isn't distortion. I would entirely agree that more efficient speakers tend to be more dynamic, however. I once had all compression drivers in horns except for the deep bass with flyweight 1.56 watt amps. The impact on you of a snare drum would just about knock you backwards.
I really think dynamics are about the leading edge but it about low impedance ac power. Also with my recent experiences with High Fidelity Cables with the "magnetic conduction" technology, I think metals have different effects on leading edge and dynamic. These cables are substantially more dynamic than any others I have heard.
I would agree that some speakers don't sound loud when they really are. Also I am consistently playing my system at a louder volume setting and sound pressure setting than with other cables. And my wife down stairs has not once complained.
Learsfool, It has always been my use of the question of whether or not you can tell a piano heard through a wall is real or a recording. Perhaps I'm not quite there yet with the High Fidelity Cables, but I am much closer than I ever imagined was possible.
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