The curved baffle seeks to solve one issue. That is physical alignment of the drivers. Additionally the drivers must be electrically aligned via crossover design. This will ensure, if you sit in the right place, the designers intended signal will appear at your ears.
BUT there is one additional trick in the DQ10. The design does a first approximation of crosstalk cancellation. This is similar to the POLK SDA. You can google that to learn more.?
The DQ10’s manage to do this ( cancel the unwanted signal from the R speaker that appears in the L ear and vice versa )within ?a single speaker which the Polk tech can’t but there are trade offs.
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