Re
3.805
Ohm
electrical voice coil resistance at DC
Krm
0.0144
Ohm
WRIGHT inductance model
Erm
0.84
WRIGHT inductance model
Kxm
0.06785
Ohm
WRIGHT inductance model
Exm
0.735
WRIGHT inductance model
Cmes
684.59
µF
electrical capacitance representing moving mass
Lces
38.155
mH
electrical inductance representing driver compliance
Res
76.635
Ohm
resistance due to mechanical losses
fs
31.2
Hz
driver resonance frequency
Mms
426.2345
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
399.975
g
mechanical mass of voice coil and diaphragm without air load
Rms
8.1275
kg/s
mechanical resistance of total-driver losses
Cms
0.061
mm/N
mechanical compliance of driver suspension
Kms
16.37
N/mm
mechanical stiffness of driver suspension
Bl
24.956
Tm force factor (Bl product)
Qtp
0.6305
total Q-factor considering all losses
Qms
10.27
mechanical Q-factor of driver in free air considering Rms only
Qes
0.51
electrical Q-factor of driver in free air considering Re only
Qts
0.4855
total Q-factor considering Re and Rms only
Vas
57.56925
L
equivalent air volume of suspension
n0
0.328
reference efficiency (2 pi-radiation using Re)
Lm
87.36
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
87.575
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd
814.33
cm²
diaphragm area