Some speaker manufacturers (JBL is one) use opposite polarity...plus voltage pulls the cone IN.
There is little consistency from recording mics, mixing consoles, amplifiers and speakers, so the likelyhood of getting it "right" is small. Fortunately only a few golden ears can detect the effect.
There is little consistency from recording mics, mixing consoles, amplifiers and speakers, so the likelyhood of getting it "right" is small. Fortunately only a few golden ears can detect the effect.