That rinky dink stadium actually holds ~59,500 counting the SRO area on the North side, has been sold out since 1999 and will soon one day be expanded to at least 65k.
And 127.2 decibels is nothing to lightly dismiss. That's louder than a Boeing 747 at take-off--for the best part of three hours in a tight contest since we are on defense more than most.
Why not just come and hear for yourself in 2013?
It's the proximity of the fans to the field that is killer. It sounds as if they are literally on top of you and the sound reverberates from the artificial turf into the canopy and back. The entire stadium is dug into a earthen hillock. There are no energy sapping features like repeated open air tunnels or other gaps. It's a sunken bowl of concrete sunk into the earth that the crowd enters down into from the rim.