Listen to as many types of speakers and amps as possible.
Horn loaded, open baffle, sealed, ported, electrostatics, multi driver, single driver, high efficiency. Single ended tubes, push pull tubes, high power, low power, Class A solid state, class A/B solid state, single ended solid state.
If you don’t know what types systems are avail, and how they sound, it’ll be a long and expensive journey to arrive where you want to be.