Thiele/Small Parameters

44CVX124

Re
6.46
Ohm
electrical voice coil resistance at DC
Krm
0.0221
Ohm
WRIGHT inductance mode
Erm
0.835
WRIGHT inductance mode
Kxm
0.1131
Ohm
WRIGHT inductance mode
Exm
0.705
WRIGHT inductance mode
Cmes
327.885
µF
electrical capacitance representing moving mass
Lces
74.645
mH
electrical inductance representing driver compliance
Res
179.605
Ohm
resistance due to mechanical losses
fs
32.15
Hz
driver resonance frequency
Mms
224.49
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
210.9825
g
mechanical mass of voice coil and diaphragm without air load
Rms
3.812
kg/s
mechanical resistance of total-driver losses
Cms
0.109
mm/N
mechanical compliance of driver suspension
Kms
9.175
N/mm
mechanical stiffness of driver suspension
Bl
26.166
Tm
force factor (Bl product)
Lambda
0.0405
suspension creep factor
Qtp
0.526
total Q-factor considering all losses
Qms
11.9045
mechanical Q-factor of driver in free air considering Rms only
Qes
0.4285
electrical Q-factor of driver in free air considering Re only
Qts
0.4135
total Q-factor considering Re and Rms only
Vas
42.1736
I
equivalent air volume of suspension
n0
0.3155
reference efficiency (2 pi-radiation using Re)
Lm
87.185
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
88.115
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
3.18
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.22
root-mean-square fitting error of transfer function Hx (f)
Sd
522.79
cm²
diaphragm area
Xmax
16.25
mm