Re
7.17
Ohm
electrical voice coil resistance at DC
Krm
0.01575
Ohm
WRIGHT inductance model
Erm
0.86
WRIGHT inductance model
Kxm
0.09355
Ohm
WRIGHT inductance model
Exm
0.72
WRIGHT inductance model
Cmes
371.245
µF
electrical capacitance representing moving mass
Lces
60.25
mH
electrical inductance representing driver compliance
Res
146.81
Ohm
resistance due to mechanical losses
fs
33.65
Hz
driver resonance frequency
Mms
269.279
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
243.2635
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.9475
kg/s
mechanical resistance of total-driver losses
Cms
0.083
mm/N
mechanical compliance of driver suspension
Kms
12.05
N/mm
mechanical stiffness of driver suspension
Bl
26.947
Tm
force factor (Bl product)
LambdaS
0.059
suspension creep factor
Qtp
0.648
total Q-factor considering all losses
Qms
11.514
mechanical Q-factor of driver in free air considering Rms only
Qes
0.5625
electrical Q-factor of driver in free air considering Re only
Qts
0.537
total Q-factor considering Re and Rms only
Vas
76.92885
I
equivalent air volume of suspension
n0
0.5015
reference efficiency (2 pi-radiation using Re)
Lm
89.205
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
89.675
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)