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SVS new subwoofers 2000 series

I keep looking at the PB 2000 with the grill cover on it and it looks to me like the cover is slightly blocking the port? I also think that the handlebars on my new bike are crooked and have been told repeatedly they are NOT. So I guess its just my eyes, but what have been wrong with a curved cutout for the port like the cutout for the driver??
Mike
 
Turbulence is exponentially reduced as you move away from the high velocity source (the end of the port). With the flare on the port, by the time the air piston reaches the face of the baffle, the velocity is already reduced as the edge as it is behaving more like an acoustic wave than a piston, especially at the edge (away from the center).

If the protective grill is 2 inches in front of the face of the baffle, it should not be causing any turbulence at the edge as the air is even more acoustic than piston that at the face of the baffle. The volume of air still behaving "pistonically" (I like making up words, English is a gorgeous language) is centered on the port and that area is fully open to the perforations in the grill.
 
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