No...it's the TREBLE-cut that they take FROM the music that may help that particular recording that may help Threetwo.... That's what lots of magnetic material (steel shot, in this case) does as a field medium around the electrical core.
Cheapest out for ThreeTwo is to install nice cheap neutral CANARE starquad mic ICs and star-quad speaker cables and relisten to several CDs, and then do spectral tilting with room placement/damping, IMO.
Cheapest out for ThreeTwo is to install nice cheap neutral CANARE starquad mic ICs and star-quad speaker cables and relisten to several CDs, and then do spectral tilting with room placement/damping, IMO.