Just skimmed the thread...
In the low bass region it's not obvious whether it's better to EQ to the sum of left and right, or each individually. The reason this is complicated is if you EQ each channel separately to be smooth, the sum almost certainly won't be due to phase differences. Most (but not all) low bass is played on both channels together so EQing the sum is probably what I'd go for if I had to guess.
The above dilemma is one I avoid by using a subwoofer fed the sum of left and right channels .
Higher up the frequency range you would want to EQ the speakers separately though.
In the low bass region it's not obvious whether it's better to EQ to the sum of left and right, or each individually. The reason this is complicated is if you EQ each channel separately to be smooth, the sum almost certainly won't be due to phase differences. Most (but not all) low bass is played on both channels together so EQing the sum is probably what I'd go for if I had to guess.
The above dilemma is one I avoid by using a subwoofer fed the sum of left and right channels .
Higher up the frequency range you would want to EQ the speakers separately though.
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