that's where individuality comes in. These drums are all tuned to that "one sound". That One sound" is flat. Make em flat. If you flatten 18 brands of tire; take the air all out; you have 18 flat tires.Pump em full of Air (TENSION the Drums) THEN you'd get the differences.The above is in, the Wayne and Garth style , (way? no way) school of drumming. There's so much commonality among you tube in nearly every video demo.Like stuck in Rock 1972.
From my experience, there ain't a whole lot of difference between Ludwig, Slingerland, Rogers or Gretsch. You may think there is because of your biased for a certain company. I've played cheapo drums that sounded every bit as good as their expensive counterparts. Everyone has their favorites, mine happens to be Ludwig, mainly because of their history and who played them.