Re
1.955
Ohm
electrical voice coil resistance at DC
Krm
0.00365
Ohm
WRIGHT inductance model
Erm
0.915
WRIGHT inductance model
Kxm
0.03205
Ohm
WRIGHT inductance model
Exm
0.725
WRIGHT inductance model
Cmes
1444.695
µF
electrical capacitance representing moving mass
Lces
12.12
mH
electrical inductance representing driver compliance
Res
37.97
Ohm
resistance due to mechanical losses
fs
38.05
Hz
driver resonance frequency
Mms
234.926
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
222.037
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.283
kg/s
mechanical resistance of total-driver losses
Cms
0.0745
mm/N
mechanical compliance of driver suspension
Kms
13.42
N/mm
mechanical stiffness of driver suspension
Bl
12.7515
Tm
force factor (Bl product)
Lambda
0.0695
suspension creep factor
Qtp
0.8065
total Q-factor considering all losses
Qms
13.113
mechanical Q-factor of driver in free air considering Rms only
Qes
0.675
electrical Q-factor of driver in free air considering Re only
Qts
0.642
total Q-factor considering Re and Rms only
Vas
27.0753
I
equivalent air volume of suspension
n0
0.2125
reference efficiency (2 pi-radiation using Re)
Lm
85.47
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
85.57
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd
506.71
cm²
diaphragm area