Re
6.975
Ohm
electrical voice coil resistance at DC
Krm
0.0092
Ohm
WRIGHT inductance mode
Erm
0.895
WRIGHT inductance mode
Kxm
0.05965
Ohm
WRIGHT inductance mode
Exm
0.745
WRIGHT inductance mode
Cmes
478.55
µF
electrical capacitance representing moving mass
Lces
57.855
mH
electrical inductance representing driver compliance
Res
135.04
Ohm
resistance due to mechanical losses
fs
30.25
Hz
driver resonance frequency
Mms
172.3025
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
159.414
g
mechanical mass of voice coil and diaphragm without air load
Rms
2.6665
kg/s
mechanical resistance of total-driver losses
Cms
0.1605
mm/N
mechanical compliance of driver suspension
Kms
6.22
N/mm
mechanical stiffness of driver suspension
Bl
18.9755
Tm
force factor (Bl product)
Lambda
-0.015
suspension creep factor
Qtp
0.681
total Q-factor considering all losses
Qms
12.282
mechanical Q-factor of driver in free air considering Rms only
Qes
0.634
electrical Q-factor of driver in free air considering Re only
Qts
0.6025
total Q-factor considering Re and Rms only
Vas
58.3798
I
equivalent air volume of suspension
n0
0.245
%
reference efficiency (2 pi-radiation using Re)
Lm
86.09
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
86.685
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.4
%
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.575
%
root-mean-square fitting error of transfer function Hx (f)
Sd
506.71
cm²
diaphragm area
Xmax
17.5
mm
Xmax (Linear Excursion)