Re
2.08
Ohm
electrical voice coil resistance at DC
Krm
0.02505
Ohm
WRIGHT inductance model
Erm
0.72
WRIGHT inductance model
Kxm
0.0694
Ohm
WRIGHT inductance model
Exm
0.65
WRIGHT inductance model
Cmes
1064.22
µF
electrical capacitance representing moving mass
Lces
18.6
mH
electrical inductance representing driver compliance
Res
18.25
Ohm
resistance due to mechanical losses
fs
35.8
Hz
driver resonance frequency
Mms
612.687
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
595.0305
g
mechanical mass of voice coil and diaphragm without air load
Rms
31.574
kg/s
mechanical resistance of total-driver losses
Cms
0.0325
mm/N
mechanical compliance of driver suspension
Kms
31.055
N/mm
mechanical stiffness of driver suspension
Bl
23.9945
Tm
force factor (Bl product)
Lambda s
0.0735
suspension creep factor
Qtp
0.6745
total Q-factor considering all losses
Qms
4.371
mechanical Q-factor of driver in free air considering Rms only
Qes
0.497
electrical Q-factor of driver in free air considering Re only
Qts
0.4465
total Q-factor considering Re and Rms only
Vas
17.89565
I
equivalent air volume of suspension
n0
0.1585
reference efficiency (2 pi-radiation using Re)
Lm
84.015
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
83.85
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd
625
cm²
diaphragm area