Thiele/Small Parameters

46L7T82

Re
3.89
Ohm
electrical voice coil resistance at DC
Krm
0.0051
Ohm
WRIGHT inductance mode
Erm
0.835
WRIGHT inductance mode
Kxm
0.02025
Ohm
WRIGHT inductance mode
Exm
0.77
WRIGHT inductance mode
Cmes
703.095
µF
electrical capacitance representing moving mass
Lces
18.83
mH
electrical inductance representing driver compliance
Res
48.145
Ohm
resistance due to mechanical losses
fs
43.75
Hz
driver resonance frequency
Mms
119.792
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
114.808
g
mechanical mass of voice coil and diaphragm without air load
Rms
3.546
kg/s
mechanical resistance of total-driver losses
Cms
0.1105
mm/N
mechanical compliance of driver suspension
Kms
9.06
N/mm
mechanical stiffness of driver suspension
Bl
13.0535
Tm
force factor (Bl product)
Lambda
0.0625
suspension creep factor
Qtp
0.788
total Q-factor considering all losses
Qms
9.298
mechanical Q-factor of driver in free air considering Rms only
Qes
0.7525
electrical Q-factor of driver in free air considering Re only
Qts
0.696
total Q-factor considering Re and Rms only
Vas
11.31045
I
equivalent air volume of suspension
n0
0.1215
reference efficiency (2 pi-radiation using Re)
Lm
83.035
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
83.155
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
3.62
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.625
root-mean-square fitting error of transfer function Hx (f)
0
Ohm
resistance of series resistor
Sd
268.96
cm²
diaphragm area
Xmax
7.25
mm