Thiele/Small Parameters

46L7T122

Re
3.84
Ohm
electrical voice coil resistance at DC
Krm
0.00525
Ohm
WRIGHT inductance mode
Erm
0.895
WRIGHT inductance mode
Kxm
0.03305
Ohm
WRIGHT inductance mode
Exm
0.76
WRIGHT inductance mode
Cmes
1157.485
µF
electrical capacitance representing moving mass
Lces
24.815
mH
electrical inductance representing driver compliance
Res
46.16
Ohm
resistance due to mechanical losses
fs
29.75
Hz
driver resonance frequency
Mms
291.745
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
273.2275
g
mechanical mass of voice coil and diaphragm without air load
Rms
5.4695
kg/s
mechanical resistance of total-driver losses
Cms
0.0985
mm/N
mechanical compliance of driver suspension
Kms
10.175
N/mm
mechanical stiffness of driver suspension
Bl
15.888
Tm
force factor (Bl product)
Lambda
0.046
suspension creep factor
Qtp
0.867
total Q-factor considering all losses
Qms
9.962
mechanical Q-factor of driver in free air considering Rms only
Qes
0.8295
electrical Q-factor of driver in free air considering Re only
Qts
0.7655
total Q-factor considering Re and Rms only
Vas
57.96805
I
equivalent air volume of suspension
n0
0.1765
reference efficiency (2 pi-radiation using Re)
Lm
84.66
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
84.84
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.905
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
1.46
root-mean-square fitting error of transfer function Hx (f)
0
Ohm
resistance of series resistor
Sd
645.17
cm²
diaphragm area
Xmax
10.25
mm