Thiele/Small Parameters

43CVR154

Re
7.14
Ohm
electrical voice coil resistance at DC
Krm
0.01575
Ohm
WRIGHT inductance mode
Erm
0.86
WRIGHT inductance mode
Kxm
0.0757
Ohm
WRIGHT inductance mode
Exm
0.745
WRIGHT inductance mode
Cmes
384.345
µF
electrical capacitance representing moving mass
Lces
96.66
mH
electrical inductance representing driver compliance
Res
163.305
Ohm
resistance due to mechanical losses
fs
26.15
Hz
driver resonance frequency
Mms
291.099
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
263.5975
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.648
kg/s
mechanical resistance of total-driver losses
Cms
0.1275
mm/N
mechanical compliance of driver suspension
Kms
7.845
N/mm
mechanical stiffness of driver suspension
Bl
27.5305
Tm
force factor (Bl product)
Lambda
0
suspension creep factor
Qtp
0.504
total Q-factor considering all losses
Qms
10.285
mechanical Q-factor of driver in free air considering Rms only
Qes
0.45
electrical Q-factor of driver in free air considering Re only
Qts
0.4315
total Q-factor considering Re and Rms only
Vas
127.2657
I
equivalent air volume of suspension
n0
0.4855
reference efficiency (2 pi-radiation using Re)
Lm
89.05
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
89.545
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.88
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
1.945
root-mean-square fitting error of transfer function Hx (f)
Sd
839.82
cm²
diaphragm area
Xmax
15
mm