Thiele/Small Parameters

41L784

Re
5.72
Ohm
electrical voice coil resistance at DC
Krm
0.03715
Ohm
WRIGHT inductance mode
Erm
0.715
WRIGHT inductance mode
Kxm
0.09105
Ohm
WRIGHT inductance mode
Exm
0.67
WRIGHT inductance mode
Cmes
523.265
µF
electrical capacitance representing moving mass
Lces
20.615
mH
electrical inductance representing driver compliance
Res
75.31
Ohm
resistance due to mechanical losses
fs
48.55
Hz
driver resonance frequency
Mms
158.043
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
152.685
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.0125
kg/s
mechanical resistance of total-driver losses
Cms
0.0685
mm/N
mechanical compliance of driver suspension
Kms
14.715
N/mm
mechanical stiffness of driver suspension
Bl
17.3815
Tm
force factor (Bl product)
Lambda
0.098
suspension creep factor
Qtp
1.1365
total Q-factor considering all losses
Qms
12.007
mechanical Q-factor of driver in free air considering Rms only
Qes
0.9115
electrical Q-factor of driver in free air considering Re only
Qts
0.847
total Q-factor considering Re and Rms only
Vas
7.6978
I
equivalent air volume of suspension
n0
0.0925
reference efficiency (2 pi-radiation using Re)
Lm
81.86
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
83.32
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.825
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.215
root-mean-square fitting error of transfer function Hx (f)
Sd
282.24
cm²
diaphragm area
Xmax
17.5
mm