Our speakers cross over at 3300-3400 Hz with a smooth roll-off filters. The advantage of this is that there are less components between the music and you. As a consequence of using less components, there is also less phase disturbance. The drawback is that it does mean that that both the woofer and tweeter are contributing to the sound together, expecially near the crossover frequency, and this can (and does) cause vertical off-axis problems. We addressed this by using a large 80mm vertical tweeter which acts more like a ‘line-source’ than a ‘point-source’ given better veritical dispersion and also by putting the tweeter as close as we dared to the woofer while maintaining the rigidity of the front facia. We have made our best compromise. In addition, these small bookshelf speakers are designed for smaller rooms where the direct-to-reverberant transition happens near the speakers (due to early wall reflections) which also helps reduce the area where this problem exists. Still, if you are planning to sit very near the speakers (e.g. in a home studio environment) it is best to sit with you ears at the same level as the speakers. We considered but didn’t use a ‘coaxial driver’ because the sound of the tweeter and woofer combination was, for us, a more important factor so we minimized the problem as best as we could.
Your speaker have a relatively high crossover point and the tweeter and woofer are too far apart aren’t they?
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