Thiele/Small Parameters

46L7T84

Re
7.415
Ohm
electrical voice coil resistance at DC
Krm
0.00805
Ohm
WRIGHT inductance mode
Erm
0.835
WRIGHT inductance mode
Kxm
0.0318
Ohm
WRIGHT inductance mode
Exm
0.765
WRIGHT inductance mode
Cmes
394.66
µF
electrical capacitance representing moving mass
Lces
34.915
mH
electrical inductance representing driver compliance
Res
90.14
Ohm
resistance due to mechanical losses
fs
42.9
Hz
driver resonance frequency
Mms
110.3145
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
105.3295
g
mechanical mass of voice coil and diaphragm without air load
Rms
3.102
kg/s
mechanical resistance of total-driver losses
Cms
0.125
mm/N
mechanical compliance of driver suspension
Kms
8.005
N/mm
mechanical stiffness of driver suspension
Bl
16.718
Tm
force factor (Bl product)
Lambda
0.0855
suspension creep factor
Qtp
0.806
total Q-factor considering all losses
Qms
9.583
mechanical Q-factor of driver in free air considering Rms only
Qes
0.7885
electrical Q-factor of driver in free air considering Re only
Qts
0.7285
total Q-factor considering Re and Rms only
Vas
12.8003
I
equivalent air volume of suspension
n0
0.123
reference efficiency (2 pi-radiation using Re)
Lm
83.1
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
83.43
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
3.515
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.175
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