I can't possibly disagree more. Mark Seaton has done many listening tests comparing 20hz roll off vs 5-10hz roll off and all of his audiances either prefered or vastly prefered the lower extension.
I can only assume that you've just never experienced ultra low frequency properly set up.
I've spent a lot of time dissecting music and movie content just to find out what's really in them frequency wise and TLS is right. Besides pipe organs, the majority of music does not require an infrasonic response or even a 20hz response. If you listen to a lot of rock/pop with electric guitars/bass guitars, drums, etc, you don't even need more than about 35-40hz. While some movies do indeed utilize LFE below 20hz, the majority of that "rumble" is at about 30-50hz.
Even with instruments that have fundamentals or sub harmonics down in the 20s and teens are so many dB down that unless you're listening at a 100dB volume, which most of us don't, it's below our threshold of hearing.
I'm curious on the methodology used in those tests, was it the same subwoofer at the same volume? Unless it was and the roll off was electronically induced using a 12dB an octave high pass filter I'm going to guess they simply preferred the better subwoofer.
While humans can hear down to 8hz, our sensitivity at frequencies below 40-50hz drops off substantially. Add that to the fact most content at very low frequencies is 12dB or even 24 dB down and it's simply below our threshold of hearing, unless of course you're listening at 90dB or more where the ears frequency response starts to flatten out.
I can't possibly disagree more. Mark Seaton has done many listening tests comparing 20hz roll off vs 5-10hz roll off and all of his audiances either prefered or vastly prefered the lower extension.
I can only assume that you've just never experienced ultra low frequency properly set up.
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