Thiele/Small Parameters

41L782

Re
3.115
Ohm
electrical voice coil resistance at DC
Krm
0.02545
Ohm
WRIGHT inductance mode
Erm
0.71
WRIGHT inductance mode
Kxm
0.0673
Ohm
WRIGHT inductance mode
Exm
0.65
WRIGHT inductance mode
Cmes
848.62
µF
electrical capacitance representing moving mass
Lces
13.15
mH
electrical inductance representing driver compliance
Res
48.34
Ohm
resistance due to mechanical losses
fs
47.65
Hz
driver resonance frequency
Mms
170.598
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
165.24
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.1625
kg/s
mechanical resistance of total-driver losses
Cms
0.0655
mm/N
mechanical compliance of driver suspension
Kms
15.3
N/mm
mechanical stiffness of driver suspension
Bl
14.178
Tm
force factor (Bl product)
Lambda
0.112
suspension creep factor
Qtp
1.0615
total Q-factor considering all losses
Qms
12.2765
mechanical Q-factor of driver in free air considering Rms only
Qes
0.791
electrical Q-factor of driver in free air considering Re only
Qts
0.743
total Q-factor considering Re and Rms only
Vas
7.37575
I
equivalent air volume of suspension
n0
0.097
reference efficiency (2 pi-radiation using Re)
Lm
82.07
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
83.16
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.985
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.325
root-mean-square fitting error of transfer function Hx (f)
Sd
282.24
cm²
diaphragm area
Xmax
17.5
mm