Bolero:why can't my system reproduce snare well?

To be clear; the medium to which you listen(vinyl, CD, master tape) is not as important as the mic technique(as mentioned by Lowrider), Recording Engineer's ears, mastering or pressing. There are more poor recordings out there, than high quality/accurate ones, of drum sets(IMO).

Start with the basics:
ESL loudspeakers are not known for their ability to handle forceful transients.

The system or the recording might be out of absolute polarity.

Consider taking your source recording to a trusted dealer for a test on their flagship rig? You might even be exposed to your next step in this fabulous hobby.

The stock Mac tubes are OK (better than when the first of the current version 275's first came out in 2004) but you can do way better. Nevertheless, they should still reproduce snare drums well, and unless there is something terribly wrong with the ML's, like loose diaphragm(s) that's not it either. I would try and find other recordings with similar material, unless you can say you've heard this Bolero on other systems and it sounded great (which you didn't say ;~)

I use a 275 w/ my ML's and it sounds fantastic (see my system)