Re
1.825
Ohm
electrical voice coil resistance at DC
Krm
0.0128
Ohm
WRIGHT inductance model
Erm
0.8
WRIGHT inductance model
Kxm
0.0606
Ohm
WRIGHT inductance model
Exm
0.665
WRIGHT inductance model
Cmes
1115.775
µF
electrical capacitance representing moving mass
Lces
13.99
mH
electrical inductance representing driver compliance
Res
31.675
Ohm
resistance due to mechanical losses
fs
40.3
Hz
driver resonance frequency
Mms
419.6845
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
403.6695
g
mechanical mass of voice coil and diaphragm without air load
Rms
11.876
kg/s
mechanical resistance of total-driver losses
Cms
0.0375
mm/N
mechanical compliance of driver suspension
Kms
26.895
N/mm
mechanical stiffness of driver suspension
Bl
19.3945
Tm
force factor (Bl product)
Qtp
0.7475
total Q-factor considering all losses
Qms
8.947
mechanical Q-factor of driver in free air considering Rms only
Qes
0.5155
electrical Q-factor of driver in free air considering Re only
Qts
0.487
total Q-factor considering Re and Rms only
Vas
18.0484
I
equivalent air volume of suspension
n0
0.2205
reference efficiency (2 pi-radiation using Re)
Lm
85.63
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
86.03
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)