Originally posted by Tom Brennan
Why shouldn't a plastic cube work well anyway? The cube isn't called upon to do bass and a small plastic enclosure can be quite stiff.
As you well know, it would be quite possible to design a decent sounding speaker in a small plastic cube. It might be tough to design a great speaker, but not hard to do one that would easily better the performance of a Bose cube.
It is likely that your little cube would not have a cheap 1.75" or 2.5" paper driver.
For an example, consider the small Gallo spheres. Certainly still small, stylish enclosures, and able to produce very respectible sound. Larger than Bose cubes, but still small.
I would be inclined to consider coaxial drivers, so at least there would be a tweeter. If the plastic cube was large enough to handle a 4" coaxial driver, you could make a nice little speaker, that would easily best a Bose throughout its frequency range, particularly on the lower midrange and on highs. It would require far less equalization too.
Or instead of putting two cheap full-range drivers in both the top and bottom of double/swivel cubes, put in a better 3" driver in the bottom and a 1" tweeter in the top, using a very simple crossover. This could produce much better sound.
But I can understand why Bose doesn't go in this direction. If I'm selling tens of thousands of systems and able to manufacture those systems at very low cost, then why put in more expensive parts? That would cut into profit margins.