Thiele/Small Parameters

43CVT124

Re
3.86
Ohm
electrical voice coil resistance at DC
Krm
0.00385
Ohm
WRIGHT inductance mode
Erm
0.92
WRIGHT inductance mode
Kxm
0.03935
Ohm
WRIGHT inductance mode
Exm
0.715
WRIGHT inductance mode
Cmes
799.9
µF
electrical capacitance representing moving mass
Lces
23.76
mH
electrical inductance representing driver compliance
Res
48.685
Ohm
resistance due to mechanical losses
fs
36.5
Hz
driver resonance frequency
Mms
156.9495
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
143.1255
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.034
kg/s
mechanical resistance of total-driver losses
Cms
0.121
mm/N
mechanical compliance of driver suspension
Kms
8.265
N/mm
mechanical stiffness of driver suspension
Bl
14.0085
Tm
force factor (Bl product)
Lambda
0.0675
suspension creep factor
Qtp
0.743
total Q-factor considering all losses
Qms
8.9325
mechanical Q-factor of driver in free air considering Rms only
Qes
0.708
electrical Q-factor of driver in free air considering Re only
Qts
0.6565
total Q-factor considering Re and Rms only
Vas
48.33235
I
equivalent air volume of suspension
n0
0.319
reference efficiency (2 pi-radiation using Re)
Lm
87.24
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
87.395
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
5.08
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.36
root-mean-square fitting error of transfer function Hx (f)
Sd
530.93
cm²
diaphragm area
Xmax
10.5
mm