Thiele/Small Parameters

44CVX154

Re
7.595
Ohm
electrical voice coil resistance at DC
Krm
0.0271
Ohm
WRIGHT inductance mode
Erm
0.835
WRIGHT inductance mode
Kxm
0.1218
Ohm
WRIGHT inductance mode
Exm
0.715
WRIGHT inductance mode
Cmes
289.76
µF
electrical capacitance representing moving mass
Lces
123.895
mH
electrical inductance representing driver compliance
Res
299.325
Ohm
resistance due to mechanical losses
fs
26.6
Hz
driver resonance frequency
Mms
306.2285
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
278.474
g
mechanical mass of voice coil and diaphragm without air load
Rms
3.531
kg/s
mechanical resistance of total-driver losses
Cms
0.117
mm/N
mechanical compliance of driver suspension
Kms
8.54
N/mm
mechanical stiffness of driver suspension
Bl
32.51
Tm
force factor (Bl product)
Lambda
0.0215
suspension creep factor
Qtp
0.444
total Q-factor considering all losses
Qms
14.483
mechanical Q-factor of driver in free air considering Rms only
Qes
0.3675
electrical Q-factor of driver in free air considering Re only
Qts
0.3585
total Q-factor considering Re and Rms only
Vas
118.41785
I
equivalent air volume of suspension
n0
0.581
reference efficiency (2 pi-radiation using Re)
Lm
89.84
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
90.075
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
3.535
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
2.11
root-mean-square fitting error of transfer function Hx (f)
Sd
844.96
cm²
diaphragm area
Xmax
19.25
mm