Thiele/Small Parameters

43CVT104

Re
3.78
Ohm
electrical voice coil resistance at DC
Krm
0.0056
Ohm
WRIGHT inductance mode
Erm
0.87
WRIGHT inductance mode
Kxm
0.0345
Ohm
WRIGHT inductance mode
Exm
0.735
WRIGHT inductance mode
Cmes
790.045
µF
electrical capacitance representing moving mass
Lces
19.09
mH
electrical inductance representing driver compliance
Res
47.2
Ohm
resistance due to mechanical losses
fs
41
Hz
driver resonance frequency
Mms
115.4975
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
107.5705
g
mechanical mass of voice coil and diaphragm without air load
Rms
3.1015
kg/s
mechanical resistance of total-driver losses
Cms
0.1305
mm/N
mechanical compliance of driver suspension
Kms
7.665
N/mm
mechanical stiffness of driver suspension
Bl
12.099
Tm
force factor (Bl product)
Lambda
0.0615
suspension creep factor
Qtp
0.8295
total Q-factor considering all losses
Qms
9.5965
mechanical Q-factor of driver in free air considering Rms only
Qes
0.7685
electrical Q-factor of driver in free air considering Re only
Qts
0.7115
total Q-factor considering Re and Rms only
Vas
24.79075
I
equivalent air volume of suspension
n0
0.214
reference efficiency (2 pi-radiation using Re)
Lm
85.505
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
85.75
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
3.69
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
1.87
root-mean-square fitting error of transfer function Hx (f)
Sd
366.44
cm²
diaphragm area
Xmax
10.5
mm