Re
3.755
Ohm
electrical voice coil resistance at DC
Krm
0.00615
Ohm
WRIGHT inductance model
Erm
0.915
WRIGHT inductance model
Kxm
0.04165
Ohm
WRIGHT inductance model
Exm
0.78
WRIGHT inductance model
Cmes
786.14
µF
electrical capacitance representing moving mass
Lces
49.14
mH
electrical inductance representing driver compliance
Res
73.28
Ohm
resistance due to mechanical losses
fs
25.6
Hz
driver resonance frequency
Mms
304.574
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
277.073
g
mechanical mass of voice coil and diaphragm without air load
Rms
5.2955
kg/s
mechanical resistance of total-driver losses
Cms
0.127
mm/N
mechanical compliance of driver suspension
Kms
7.885
N/mm
mechanical stiffness of driver suspension
Bl
19.6825
Tm
force factor (Bl product)
Qtp
0.5255
total Q-factor considering all losses
Qms
9.268
mechanical Q-factor of driver in free air considering Rms only
Qes
0.4755
electrical Q-factor of driver in free air considering Re only
Qts
0.452
total Q-factor considering Re and Rms only
Vas
126.7094
I
equivalent air volume of suspension
n0
0.43
%
reference efficiency (2 pi-radiation using Re)
Lm
88.535
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
88.805
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd
839.82
cm²
diaphragm area