I love Old A’s. Known for their versatility, Avedis Zildjians have probably been used on more recordings than any other type of cymbal; they are an archetypal sound; a defining Standard by which others are measured. Basic Bronze!
Because their manufacture relied heavily on modern machinery (as opposed to hundreds or thousands of hammer strikes made by a human), it is widely assumed/believed that (old) Avedis cymbals were incredibly consistent. I agree…sorta; depends what we mean by “consistent”.
There are good ones, not-so-good ones, and absolutely great ones! In that sense, I’m not so quick to agree that they are/were any more consistent than their Turkish cousins. A New Stamp is basically a New Stamp, an Old Stamp an Old Stamp, etc, etc.
But, of course, much more important than how they were made is how they sound–now! To me, Old A’s are a class act suited for the most wide range of musical types out there.