Thiele/Small Parameters

43CVR104

Re
7.15
Ohm
electrical voice coil resistance at DC
Krm
0.01235
Ohm
WRIGHT inductance mode
Erm
0.85
WRIGHT inductance mode
Kxm
0.07055
Ohm
WRIGHT inductance mode
Exm
0.725
WRIGHT inductance mode
Cmes
474.67
µF
electrical capacitance representing moving mass
Lces
23.94
mH
electrical inductance representing driver compliance
Res
68.32
Ohm
resistance due to mechanical losses
fs
47.4
Hz
driver resonance frequency
Mms
127.9
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
120.299
g
mechanical mass of voice coil and diaphragm without air load
Rms
3.9605
kg/s
mechanical resistance of total-driver losses
Cms
0.089
mm/N
mechanical compliance of driver suspension
Kms
11.4
N/mm
mechanical stiffness of driver suspension
Bl
16.4145
Tm
force factor (Bl product)
Lambda
0.068
suspension creep factor
Qtp
1.0945
total Q-factor considering all losses
Qms
9.6305
mechanical Q-factor of driver in free air considering Rms only
Qes
1.0115
electrical Q-factor of driver in free air considering Re only
Qts
0.915
total Q-factor considering Re and Rms only
Vas
15.97505
I
equivalent air volume of suspension
n0
0.1605
reference efficiency (2 pi-radiation using Re)
Lm
84.255
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
84.74
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.96
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.15
root-mean-square fitting error of transfer function Hx (f)
Sd
356.33
cm²
diaphragm area
Xmax
14
mm