Re
3.65
Ohm
electrical voice coil resistance at DC
Krm
0.0167
Ohm
WRIGHT inductance model
Erm
0.82
WRIGHT inductance model
Kxm
0.0793
Ohm
WRIGHT inductance model
Exm
0.71
WRIGHT inductance model
Cmes
746.83
µF
electrical capacitance representing moving mass
Lces
30.14
mH
electrical inductance representing driver compliance
Res
73.1
Ohm
resistance due to mechanical losses
fs
33.5
Hz
driver resonance frequency
Mms
318.63
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
305.741
g
mechanical mass of voice coil and diaphragm without air load
Rms
5.836
kg/s
mechanical resistance of total-driver losses
Cms
0.071
mm/N
mechanical compliance of driver suspension
Kms
14.16
N/mm
mechanical stiffness of driver suspension
Bl
20.655
Tm
force factor (Bl product)
Qtp
0.74
total Q-factor considering all losses
Qms
11.508
mechanical Q-factor of driver in free air considering Rms only
Qes
0.575
electrical Q-factor of driver in free air considering Re only
Qts
0.548
total Q-factor considering Re and Rms only
Vas
25.666
I
equivalent air volume of suspension
n0
0.162
reference efficiency (2 pi-radiation using Re)
Lm
84.29
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
84.69
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd
506.71
cm²
diaphragm area