Thiele/Small Parameters

44CVX152

Re
4.23
Ohm
electrical voice coil resistance at DC
Krm
0.0151
Ohm
WRIGHT inductance mode
Erm
0.86
WRIGHT inductance mode
Kxm
0.0657
Ohm
WRIGHT inductance mode
Exm
0.75
WRIGHT inductance mode
Cmes
476.03
µF
electrical capacitance representing moving mass
Lces
78.73
mH
electrical inductance representing driver compliance
Res
173.17
Ohm
resistance due to mechanical losses
fs
26
Hz
driver resonance frequency
Mms
334.978
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
307.223
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.064
kg/s
mechanical resistance of total-driver losses
Cms
0.112
mm/N
mechanical compliance of driver suspension
Kms
8.94
N/mm
mechanical stiffness of driver suspension
Bl
26.527
Tm
force factor (Bl product)
Lambda
0.006
suspension creep factor
Qtp
0.408
total Q-factor considering all losses
Qms
13.465
mechanical Q-factor of driver in free air considering Rms only
Qes
0.329
electrical Q-factor of driver in free air considering Re only
Qts
0.321
total Q-factor considering Re and Rms only
Vas
113.052
I
equivalent air volume of suspension
n0
0.581
reference efficiency (2 pi-radiation using Re)
Lm
89.84
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
89.6
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
4.1
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
1.91
root-mean-square fitting error of transfer function Hx (f)
Sd
844.96
cm²
diaphragm area
Xmax
19.0
mm