Advantages of beryllium?

In a publishing universe of almost completely subjective waffle without facts I like JA's measurements and graphs. I have learned to read his prose very carefully, and ignore the commercial talk. The amplifier measurements with a simulated real load are particularly revealing, I find.
Fortunately there are a few other international publications with fact based reviews.

The market largely consists of elderly white men with degenerated hearing who claim to have golden ears. It is ironic indeed, but the result of this combination is that the market is now gutted with overly bright speakers that are tiring to listen to.

It is indeed a dying market.