You don’t need to spend tens of thousands to get a good sound. But at the other end of the scale, playing Lazarus doesn’t necessarily get you good sound. And I’ve seen hokey loudspeaker designs (from mainstream speaker makers, cookbooks for amateur builders, and even the odd gifted individual) with nominal impedance…

There is a difference between someone who ‘builds’ loudspeakers and someone who ‘designs’ loudspeakers. It’s the difference between someone who can follow a recipe and someone who can cook. And I don’t think you know how to cook.