Thiele/Small Parameters

46L7T124

Re
7.08
Ohm
electrical voice coil resistance at DC
Krm
0.0098
Ohm
WRIGHT inductance mode
Erm
0.87
WRIGHT inductance mode
Kxm
0.05665
Ohm
WRIGHT inductance mode
Exm
0.74
WRIGHT inductance mode
Cmes
652.465
µF
electrical capacitance representing moving mass
Lces
40.89
mH
electrical inductance representing driver compliance
Res
79.1
Ohm
resistance due to mechanical losses
fs
30.8
Hz
driver resonance frequency
Mms
273.1695
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
254.6515
g
mechanical mass of voice coil and diaphragm without air load
Rms
5.295
kg/s
mechanical resistance of total-driver losses
Cms
0.0975
mm/N
mechanical compliance of driver suspension
Kms
10.245
N/mm
mechanical stiffness of driver suspension
Bl
20.465
Tm
force factor (Bl product)
Lambda
0.049
suspension creep factor
Qtp
0.922
total Q-factor considering all losses
Qms
9.99
mechanical Q-factor of driver in free air considering Rms only
Qes
0.8945
electrical Q-factor of driver in free air considering Re only
Qts
0.821
total Q-factor considering Re and Rms only
Vas
57.53225
I
equivalent air volume of suspension
n0
0.181
reference efficiency (2 pi-radiation using Re)
Lm
84.775
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
85.305
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.795
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
1.47
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