“All three of those have changed drastically since 100 years ago. “
The basics are still the same. Which was the point. Just like headphones have seen advancements for an “100-year-old” technology.
Dont play stupid, Swordmaker.
He has to play at it, you don't
The only one being stupid, and not playing it, here is you, VanDeKoik. Every single one of those has changed in fundamental ways from their originals. Do you really maintain that sound recordings are still mechanically engraved on wax cylinders and then read back by placing a needle into the tracing and using the needle to technically vibrate a wafer thin piece of metal or rubber, and then using a cone to amplify the sound? Really???