firedog;694484 Wrote: 
> He talks about macro dynamics of music, but not microdynamics.
Can you explain what this term "microdynamic" correpondents with from a
technical standpoint of view?
I lately linked to that thread already if you talk about time
resolution:
http://www.hydrogenaudio.org/forums/index.php?showtopic=91126&hl=
You can always ask J.J. Atkinson for some math that underlines your
statement. I am sure he will help you.


The issue playing back signals above 20kHz can damage playback in the
audible range is really interesting but not much sources i can find. 
The intermodulation of amps can be measured but even this is not easy
audible. The speakers themself do so much more harm it doesn´t really
matter.
What i recognize is that with some newer B&W speakers like the CM8 i
see a hefty +10dB resonance on-axis at ~30kHz in frequency response
graphs i found on the net. So playing back any content at that
frequency may indeed trigger the tweeters break-up and distort sounds
below.


-- 
Wombat

Transporter (modded) -> RG142 -> Avantgarde Acoustic based 500VA
monoblocks -> Sommer SPK240 -> self-made speakers
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View this thread: http://forums.slimdevices.com/showthread.php?t=93990

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