Re
3.675
Ohm
electrical voice coil resistance at DC
Krm
0.00185
Ohm
WRIGHT inductance model
Erm
0.995
WRIGHT inductance model
Kxm
0.02575
Ohm
WRIGHT inductance model
Exm
0.78
WRIGHT inductance model
Cmes
849.94
µF
electrical capacitance representing moving mass
Lces
20.055
mH
electrical inductance representing driver compliance
Res
37.375
Ohm
resistance due to mechanical losses
fs
38.6
Hz
driver resonance frequency
Mms
144.4155
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
136.4885
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.5485
kg/s
mechanical resistance of total-driver losses
Cms
0.118
mm/N
mechanical compliance of driver suspension
Kms
8.485
N/mm
mechanical stiffness of driver suspension
Bl
13.0385
Tm
force factor (Bl product)
Qtp
0.764
total Q-factor considering all losses
Qms
7.6925
mechanical Q-factor of driver in free air considering Rms only
Qes
0.7565
electrical Q-factor of driver in free air considering Re only
Qts
0.689
total Q-factor considering Re and Rms only
Vas
22.4299
I
equivalent air volume of suspension
n0
0.1635
reference efficiency (2 pi-radiation using Re)
Lm
84.33
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
84.7
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd
366.44
cm²
diaphragm area