Simple and straight question -
from the perspective of "a nonlinear spring" problem is 30 cm^3 of volume displacement too much for a 10 dm^3 box volume?
Would it create any audible distortions?
I have an Excel spread sheet that will let you play around with this. Just run it with the suspension nonlinearity turned off (suspension is just a simple model). For the most part the nonlinearity of the air spring is not a big deal unless the enclosure is small and swept volume is large. Distortion is HD.
Usually, when somebody says "stuffing/damping the inside of a box kills resonances but also live and energy in the music" ask him if he did tweak/tune the x-over at the same time...If not, he doesn't know about this matter; if yes, I guess he added to much stuffing and/or isn't able to fine tune a speaker.
yes, or generally simply re-balancing the global response (usually because stuffing eat more bass than mids_unlinearity of the dampening_return to the thread subject, funny, lol)This is because most aren't modifying the chamber of the tweeter.
i.e. extend the response of the tweeter lower in freq., (either by lowering the freq. for the highpass or making the crossover a lower order), and "all of a sudden" some of the "life" returns. (..assuming we are adding stuffing to the mid/bass driver.)