Thiele/Small Parameters

46L7T104

Re
7.575
Ohm
electrical voice coil resistance at DC
Krm
0.0089
Ohm
WRIGHT inductance mode
Erm
0.885
WRIGHT inductance mode
Kxm
0.0597
Ohm
WRIGHT inductance mode
Exm
0.73
WRIGHT inductance mode
Cmes
419.11
µF
electrical capacitance representing moving mass
Lces
68.425
mH
electrical inductance representing driver compliance
Res
126.685
Ohm
resistance due to mechanical losses
fs
29.7
Hz
driver resonance frequency
Mms
191.972
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
181.0525
g
mechanical mass of voice coil and diaphragm without air load
Rms
3.6155
kg/s
mechanical resistance of total-driver losses
Cms
0.1495
mm/N
mechanical compliance of driver suspension
Kms
6.695
N/mm
mechanical stiffness of driver suspension
Bl
21.4025
Tm
force factor (Bl product)
Lambda
0.019
suspension creep factor
Qtp
0.621
total Q-factor considering all losses
Qms
9.9155
mechanical Q-factor of driver in free air considering Rms only
Qes
0.593
electrical Q-factor of driver in free air considering Re only
Qts
0.5595
total Q-factor considering Re and Rms only
Vas
43.51055
I
equivalent air volume of suspension
n0
0.185
reference efficiency (2 pi-radiation using Re)
Lm
84.88
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
85.115
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
3.075
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.14
root-mean-square fitting error of transfer function Hx (f)
0
Ohm
resistance of series resistor
Sd
453.69
cm²
diaphragm area
Xmax
9.2
mm