Re
6.40
Ohm
electrical voice coil resistance at DC
Krm
0.0026
Ohm
WRIGHT inductance model
Erm
0.72
WRIGHT inductance model
Kxm
0.0032
Ohm
WRIGHT inductance model
Exm
0.81
WRIGHT inductance model
Cmes
261.27
µF
electrical capacitance representing moving mass
Lces
5.74
mH
electrical inductance representing driver compliance
Res
24.18
Ohm
resistance due to mechanical losses
fs
129.9
Hz
driver resonance frequency
Mms
26.668
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
23.293
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.222
kg/s
mechanical resistance of total-driver losses
Cms
0.056
mm/N
mechanical compliance of driver suspension
Kms
17.77
N/mm
mechanical stiffness of driver suspension
Bl
10.103
N/A
force factor (Bl product)
Lambda s
0.144
suspension creep factor
Qtp
1.124
total Q-factor considering all losses
Qms
5.157
mechanical Q-factor of driver in free air considering Rms only
Qes
1.366
electrical Q-factor of driver in free air considering Re only
Qts
1.080
total Q-factor considering Re and Rms only
Vas
3.4238
l
equivalent air volume of suspension
n0
0.529
%
reference efficiency (2 pi-radiation using Re)
Lm
89.43
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
90.40
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.52
%
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
1.97
%
root-mean-square fitting error of transfer function Hx (f)
Series resistor
0.00
Ohm
resistance of series resistor
Sd
207.37
cm²
diaphragm area