Thiele/Small Parameters

43CVR124

Re
7.13
Ohm
electrical voice coil resistance at DC
Krm
0.01065
Ohm
WRIGHT inductance mode
Erm
0.87
WRIGHT inductance mode
Kxm
0.05685
Ohm
WRIGHT inductance mode
Exm
0.75
WRIGHT inductance mode
Cmes
474.11
µF
electrical capacitance representing moving mass
Lces
49.66
mH
electrical inductance representing driver compliance
Res
108.625
Ohm
resistance due to mechanical losses
fs
32.85
Hz
driver resonance frequency
Mms
163.328
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
149.504
g
mechanical mass of voice coil and diaphragm without air load
Rms
3.174
kg/s
mechanical resistance of total-driver losses
Cms
0.1445
mm/N
mechanical compliance of driver suspension
Kms
6.95
N/mm
mechanical stiffness of driver suspension
Bl
18.5685
Tm
force factor (Bl product)
Lambda
0.0185
suspension creep factor
Qtp
0.7465
total Q-factor considering all losses
Qms
10.61
mechanical Q-factor of driver in free air considering Rms only
Qes
0.6965
electrical Q-factor of driver in free air considering Re only
Qts
0.6535
total Q-factor considering Re and Rms only
Vas
57.52965
I
equivalent air volume of suspension
n0
0.28
reference efficiency (2 pi-radiation using Re)
Lm
86.675
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
87.17
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.7
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
1.885
root-mean-square fitting error of transfer function Hx (f)
Sd
530.93
cm²
diaphragm area
Xmax
14
mm