f0 50[Hz] "Driving frequency"
T0 1/f0 "Period at f0"
N0 4 "Harmonics to resolve by solver"
M_MD 33.4[g] "Moving mass (voice coil and diaphragm)"
R_E 7[ohm] "Voice coil resistance"
L_E 6.89[mH] "Voice coil inductance (constant)"
V0 15[V] "Driving voltage (peak)"
V0rms V0/sqrt(2) "Driving voltage (RMS)"
a 12[cm] "Piston radius of driver (equivalent)"
S_D a^2*pi "Driver equivalent area"
Rair 20[cm] "Air domain radius"
Rpml 6[cm] "PML layer thickness"