Re
2.065
Ohm
electrical voice coil resistance at DC
Krm
0.0017
Ohm
WRIGHT inductance model
Erm
0.96
WRIGHT inductance model
Kxm
0.0184
Ohm
WRIGHT inductance model
Exm
0.78
WRIGHT inductance model
Cmes
1814.965
µF
electrical capacitance representing moving mass
Lces
11.52
mH
electrical inductance representing driver compliance
Res
19.765
Ohm
resistance due to mechanical losses
fs
34.8
Hz
driver resonance frequency
Mms
195.994
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
182.17
g
mechanical mass of voice coil and diaphragm without air load
Rms
5.464
kg/s
mechanical resistance of total-driver losses
Cms
0.1065
mm/N
mechanical compliance of driver suspension
Kms
9.375
N/mm
mechanical stiffness of driver suspension
Bl
10.393
Tm
force factor (Bl product)
Qtp
0.841
total Q-factor considering all losses
Qms
7.8465
mechanical Q-factor of driver in free air considering Rms only
Qes
0.8215
electrical Q-factor of driver in free air considering Re only
Qts
0.743
total Q-factor considering Re and Rms only
Vas
42.54595
I
equivalent air volume of suspension
n0
0.2105
reference efficiency (2 pi-radiation using Re)
Lm
85.425
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
85.28
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd
530.93
cm²
diaphragm area