Thiele/Small Parameters

43CVR122

Re
3.745
Ohm
electrical voice coil resistance at DC
Krm
0.0053
Ohm
WRIGHT inductance mode
Erm
0.89
WRIGHT inductance mode
Kxm
0.0342
Ohm
WRIGHT inductance mode
Exm
0.75
WRIGHT inductance mode
Cmes
850.18
µF
electrical capacitance representing moving mass
Lces
28.92
mH
electrical inductance representing driver compliance
Res
54.595
Ohm
resistance due to mechanical losses
fs
32.15
Hz
driver resonance frequency
Mms
173.2255
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
159.4015
g
mechanical mass of voice coil and diaphragm without air load
Rms
3.7335
kg/s
mechanical resistance of total-driver losses
Cms
0.1415
mm/N
mechanical compliance of driver suspension
Kms
7.055
N/mm
mechanical stiffness of driver suspension
Bl
14.2745
Tm
force factor (Bl product)
Lambda
0.027
suspension creep factor
Qtp
0.6895
total Q-factor considering all losses
Qms
9.3615
mechanical Q-factor of driver in free air considering Rms only
Qes
0.642
electrical Q-factor of driver in free air considering Re only
Qts
0.601
total Q-factor considering Re and Rms only
Vas
56.6238
I
equivalent air volume of suspension
n0
0.2805
reference efficiency (2 pi-radiation using Re)
Lm
86.675
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
86.965
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
3.16
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
1.905
root-mean-square fitting error of transfer function Hx (f)
Sd
530.93
cm²
diaphragm area
Xmax
14
mm