Thiele/Small Parameters

44CVX104

Re
7.395
Ohm
electrical voice coil resistance at DC
Krm
0.01315
Ohm
WRIGHT inductance mode
Erm
0.9
WRIGHT inductance mode
Kxm
0.0927
Ohm
WRIGHT inductance mode
Exm
0.725
WRIGHT inductance mode
Cmes
249.34
µF
electrical capacitance representing moving mass
Lces
53.865
mH
electrical inductance representing driver compliance
Res
122.76
Ohm
resistance due to mechanical losses
fs
43.85
Hz
driver resonance frequency
Mms
154.1965
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
146.488
g
mechanical mass of voice coil and diaphragm without air load
Rms
5.044
kg/s
mechanical resistance of total-driver losses
Cms
0.087
mm/N
mechanical compliance of driver suspension
Kms
11.78
N/mm
mechanical stiffness of driver suspension
Bl
24.8735
Tm
force factor (Bl product)
Lambda
0.035
suspension creep factor
Qtp
0.601
total Q-factor considering all losses
Qms
8.4665
mechanical Q-factor of driver in free air considering Rms only
Qes
0.5095
electrical Q-factor of driver in free air considering Re only
Qts
0.4805
total Q-factor considering Re and Rms only
Vas
15.89485
I
equivalent air volume of suspension
n0
0.25
reference efficiency (2 pi-radiation using Re)
Lm
86.175
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
86.515
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
5.055
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.915
root-mean-square fitting error of transfer function Hx (f)
Sd
359.68
cm²
diaphragm area
Xmax
16.25
mm