Re
1.89
Ohm
electrical voice coil resistance at DC
Krm
0.0089
Ohm
WRIGHT inductance model
Erm
0.85
WRIGHT inductance model
Kxm
0.049
Ohm
WRIGHT inductance model
Exm
0.71
WRIGHT inductance model
Cmes
1425.66
µF
electrical capacitance representing moving mass
Lces
13.51
mH
electrical inductance representing driver compliance
Res
25.41
Ohm
resistance due to mechanical losses
fs
36.3
Hz
driver resonance frequency
Mechanical Parameters
(using laser)
Mms
598.093
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
564.428
g
mechanical mass of voice coil and diaphragm without air load
Rms
16.511
kg/s
mechanical resistance of total-driver losses
Cms
0.032
mm/N
mechanical compliance of driver suspension
Kms
31.04
N/mm
mechanical stiffness of driver suspension
Bl
20.482
Tm
force factor (Bl product)
Qtp
0.812
total Q-factor considering all losses
Qms
8.252
mechanical Q-factor of driver in free air considering Rms only
Qes
0.613
electrical Q-factor of driver in free air considering Re only
Qts
0.57
total Q-factor considering Re and Rms only
Vas
42.105
I
equivalent air volume of suspension
n0
0.315
reference efficiency (2 pi-radiation using Re)
Lm
87
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
87.26
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)