Re
6.965
Ohm
electrical voice coil resistance at DC
Krm
0.0102
Ohm
WRIGHT inductance model
Erm
0.915
WRIGHT inductance model
Kxm
0.07255
Ohm
WRIGHT inductance model
Exm
0.76
WRIGHT inductance model
Cmes
454.44
µF
electrical capacitance representing moving mass
Lces
85.205
mH
electrical inductance representing driver compliance
Res
113.315
Ohm
resistance due to mechanical losses
fs
25.55
Hz
driver resonance frequency
Mms
299.8985
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)
272.397
g
mechanical mass of voice coil and diaphragm without air load
Rms
5.824
kg/s
mechanical resistance of total-driver losses
Cms
0.129
mm/N
mechanical compliance of driver suspension
Kms
7.745
N/mm
mechanical stiffness of driver suspension
Bl
25.689
Tm
force factor (Bl product)
Qtp
0.548
total Q-factor considering all losses
Qms
8.276
mechanical Q-factor of driver in free air considering Rms only
Qes
0.509
electrical Q-factor of driver in free air considering Re only
Qts
0.479
total Q-factor considering Re and Rms only
Vas
128.89735
I
equivalent air volume of suspension
n0
0.4075
%
reference efficiency (2 pi-radiation using Re)
Lm
88.305
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
88.9
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
Sd
839.82
cm²
diaphragm area