Thiele/Small Parameters

43CVR152

Re
3.925
Ohm
electrical voice coil resistance at DC
Krm
0.01055
Ohm
WRIGHT inductance mode
Erm
0.84
WRIGHT inductance mode
Kxm
0.04285
Ohm
WRIGHT inductance mode
Exm
0.75
WRIGHT inductance mode
Cmes
619.99
µF
electrical capacitance representing moving mass
Lces
58.855
mH
electrical inductance representing driver compliance
Res
101.875
Ohm
resistance due to mechanical losses
fs
26.35
Hz
driver resonance frequency
Mms
300.068
g
mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd
272.566
g
mechanical mass of voice coil and diaphragm without air load
Rms
4.752
kg/s
mechanical resistance of total-driver losses
Cms
0.1215
mm/N
mechanical compliance of driver suspension
Kms
8.23
N/mm
mechanical stiffness of driver suspension
Bl
22
Tm
force factor (Bl product)
Lambda
-0.017
suspension creep factor
Qtp
0.4615
total Q-factor considering all losses
Qms
10.457
mechanical Q-factor of driver in free air considering Rms only
Qes
0.4035
electrical Q-factor of driver in free air considering Re only
Qts
0.388
total Q-factor considering Re and Rms only
Vas
121.3912
I
equivalent air volume of suspension
n0
0.5295
reference efficiency (2 pi-radiation using Re)
Lm
89.44
dB
characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom
89.525
dB
nominal sensitivity (SPL at 1m for 1W @ Zn)
rmse Z
2.45
root-mean-square fitting error of driver impedance Z(f)
rmse Hx
1.995
root-mean-square fitting error of transfer function Hx (f)
Sd
839.82
cm²
diaphragm area
Xmax
15
mm