Re
3.545
Ohm
electrical voice coil resistance at DC
Krm
0.01175
Ohm
WRIGHT inductance model
Erm
0.805
WRIGHT inductance model
Kxm
0.0493
Ohm
WRIGHT inductance model
Exm
0.7
WRIGHT inductance model
Cmes
720.045
µF
electrical capacitance representing moving mass
Lces
15.29
mH
electrical inductance representing driver compliance
Res
19.405
Ohm
resistance due to mechanical losses
fs
47.95
Hz
driver resonance frequency
Mms
235.1005
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
230.6435
g
mechanical mass of voice coil and diaphragm without air load
Rms
16.829
kg/s
mechanical resistance of total-driver losses
Cms
0.047
mm/N
mechanical compliance of driver suspension
Kms
21.375
N/mm
mechanical stiffness of driver suspension
Bl
18.0715
Tm
force factor (Bl product)
Qtp
0.824
total Q-factor considering all losses
Qms
4.211
mechanical Q-factor of driver in free air considering Rms only
Qes
0.77
electrical Q-factor of driver in free air considering Re only
Qts
0.651
total Q-factor considering Re and Rms only
Vas
4.1344
I
equivalent air volume of suspension
n0
0.057
%
reference efficiency (2 pi-radiation using Re)
Lm
79.665
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Sd
249.64
cm²
diaphragm area