Re
7.17
Ohm
electrical voice coil resistance at DC
Krm
0.02065
Ohm
WRIGHT inductance model
Erm
0.85
WRIGHT inductance model
Kxm
0.10035
Ohm
WRIGHT inductance model
Exm
0.74
WRIGHT inductance model
Cmes
392.385
µF
electrical capacitance representing moving mass
Lces
61.595
mH
electrical inductance representing driver compliance
Res
126.425
Ohm
resistance due to mechanical losses
fs
32.4
Hz
driver resonance frequency
Mechanical Parameters (using laser)
Mms
398.8545
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
372.5955
g
mechanical mass of voice coil and diaphragm without air load
Rms
8.0415
kg/s
mechanical resistance of total-driver losses
Cms
0.061
mm/N
mechanical compliance of driver suspension
Kms
16.52
N/mm
mechanical stiffness of driver suspension
Bl
31.8825
Tm force factor (Bl product)
Qtp
0.67
total Q-factor considering all losses
Qms
10.0965
mechanical Q-factor of driver in free air considering Rms only
Qes
0.569
electrical Q-factor of driver in free air considering Re only
Qts
0.5385
total Q-factor considering Re and Rms only
Vas
56.8694
L
equivalent air volume of suspension
n0
0.326
reference efficiency (2 pi-radiation using Re)
Lm
87.335
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
87.84
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd
814.33
cm²
diaphragm area