Thiele/Small Parameters

43CVT122

Re
2.215
Ohm
electrical voice coil resistance at DC
Krm
0.00175
Ohm
WRIGHT inductance mode
Erm
0.97
WRIGHT inductance mode
Kxm
0.0239
Ohm
WRIGHT inductance mode
Exm
0.735
WRIGHT inductance mode
Cmes
1379.365
µF
electrical capacitance representing moving mass
Lces
13.885
mH
electrical inductance representing driver compliance
Res
30.28
Ohm
resistance due to mechanical losses
fs
36.45
Hz
driver resonance frequency
Mms
168.6665
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
154.8425
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.0525
kg/s
mechanical resistance of total-driver losses
Cms
0.1135
mm/N
mechanical compliance of driver suspension
Kms
8.86
N/mm
mechanical stiffness of driver suspension
Bl
11.059
Tm
force factor (Bl product)
Lambda
0.0295
suspension creep factor
Qtp
0.74
total Q-factor considering all losses
Qms
9.5455
mechanical Q-factor of driver in free air considering Rms only
Qes
0.6985
electrical Q-factor of driver in free air considering Re only
Qts
0.651
total Q-factor considering Re and Rms only
Vas
45.338
I
equivalent air volume of suspension
n0
0.3005
reference efficiency (2 pi-radiation using Re)
Lm
86.98
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
86.535
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
5.165
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.565
root-mean-square fitting error of transfer function Hx (f)
Sd
530.93
cm²
diaphragm area
Xmax
10.5
mm