Thiele/Small Parameters

44CVX122

Re
3.49
Ohm
electrical voice coil resistance at DC
Krm
0.0117
Ohm
WRIGHT inductance mode
Erm
0.86
WRIGHT inductance mode
Kxm
0.0700
Ohm
WRIGHT inductance mode
Exm
0.71
WRIGHT inductance mode
Cmes
574.28
µF
electrical capacitance representing moving mass
Lces
42.49
mH
electrical inductance representing driver compliance
Res
96.34
Ohm
resistance due to mechanical losses
fs
32.2
Hz
driver resonance frequency
Mms
242.310
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
228.803
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.380
kg/s
mechanical resistance of total-driver losses
Cms
0.101
mm/N
mechanical compliance of driver suspension
Kms
9.93
N/mm
mechanical stiffness of driver suspension
Bl
20.541
Tm
force factor (Bl product)
Lambda
0.071
suspension creep factor
Qtp
0.512
total Q-factor considering all losses
Qms
11.200
mechanical Q-factor of driver in free air considering Rms only
Qes
0.406
electrical Q-factor of driver in free air considering Re only
Qts
0.391
total Q-factor considering Re and Rms only
Vas
38.9551
I
equivalent air volume of suspension
n0
0.309
reference efficiency (2 pi-radiation using Re)
Lm
87.10
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
87.69
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
3.24
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.18
root-mean-square fitting error of transfer function Hx (f)
Sd
522.79
cm²
diaphragm area
Xmax
16.25
mm