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So far I'm impressed by 4 things:
- Bass is phenomenon but yet not overwhelm the whole spectrum, unlike my D7000.
- Very retrieving
- I don't really get the concept of "fast" but when I listen to LCD-2 I feel it's very fast. The pace of music is somehow different even compared to my STAX. It's my own feeling. Not by reading other posts.
- Soundstage is indeed not the hugest compared to some phones I had but imaging best them all.
I agree on all accounts! However, I think the fast thing is pretty easy to pick up with certain recordings.
Symphonies are excellent. Lots going on in all parts of the spectrum with varying speeds and volumes all over the place... the speed allows all things to come together cohesively, and not drown each other out. The decay and crystal clear imagine at all times, in all frequencies, instead of marginally smeared transients really makes itself apparent.
Post-Hardcore, with lots of ambient distortions, (over)use of decaying distorted guitars and in general, and very crowded and thick sound have a level of clarity that I had not yet heard. Amidst the purposefully created chaos, and the very layered sound, it is obvious that much less smears together when using the LCD-2 vs dynamics. The subtleties of the work come out much better as a result of the "clearer lens" that a faster transducer is.
Songs with lots of backing vocals - you will be surprised to hear there are quite a few more people than you had originally though. Voices that were once intertwined, or slightly out of focus are much easier to perceive
Well recorded percussion. In lots of songs you can hear, to a degree, overtones of the skins and many different tones from the same drum over the course of a second or two. Toms especially have much more character and body, and the snare is much more dynamic. A lot of info that is not fully capture gets captured.
Now, whether or not all of this is directly related to speed I will admit I have no way of knowing for sure. FR is definitely related to a degree.
All in all it is the accuracy in a lot of the little things that adds up to make a pretty substantial improvement.
If anyone else has some examples I would be interested to read them. These were the best that came to mind.
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I don't really know how these things work but by filtering out the crud in the line it seems to improve the s/n and allow detail that was masked before to be heard. Yes, it was installed on the same outlet/circuit that I'd been using before, and no, the result wasn't a psychoacoustic effect. I didn't even have to A/B because I played CDs/SACDs I had recently listened to with the same set-up, which hasn't changed for a couple of months. This wasn't a subtle improvement that I had to check to make sure I wasn't making it up. Once you know how a reference sounds, obvious changes are just that, obvious. And they were consistent.
The amp is DIY, discrete, ss, about 1/2w.
Well, logically, the fact that you did not check means you really don't know at all if it is psychoacoustic or not

. And even if you did check, without some sort of control you would not be able to tell if it was truly psychoacoustics or not anyways. Regardless, if it is improving your enjoyment, despite where the change ultimately lies -all the better!
Capacitance is an interesting feature I must admit, I am pretty sure mine does not have that. I know my amp has lots of capacitance to supposedly help the op-amps and I think my amp sounds great lol. Who knows.
Sounds like you got a nice amp for the LCD-2 btw!