b_limo, I experienced exactly what you did with a pair of ported speakers I had at one time. One day after letting them settle in for a few days I goosed the volume a bit and got the air flowing through the port and my large 22x20 room filled with the smell of the finish on the speakers. It was very interesting and, honestly, pretty cool. Those ports were certainly getting used.
Cheers,
Scott
Cheers,
Scott