Thiele/Small Parameters

Re

3.76

Ohm

electrical voice coil resistance at DC

Krm

0.0024

Ohm

WRIGHT inductance mode

Erm

0.93

WRIGHT inductance mode

Kxm

0.0200

Ohm

WRIGHT inductance mode

Exm

0.78

WRIGHT inductance mode

Cmes

709.25

µF

electrical capacitance representing moving mass

Lces

18.36

mH

electrical inductance representing driver compliance

Res

66.39

Ohm

resistance due to mechanical losses

fs

44.1

Hz

driver resonance frequency

Mms

74.423

g

mechanical mass of driver diaphragm assembly including air load and voice coil

Mmd (Sd)

71.494

g

mechanical mass of voice coil and diaphragm without air load

Rms

1.580

kg/s

mechanical resistance of total-driver losses

Cms

0.175

mm/N

mechanical compliance of driver suspension

Kms

5.71

N/mm

mechanical stiffness of driver suspension

Bl

10.244

Tm

force factor (Bl product)

Lambda

0.046

suspension creep factor

Qtp

0.777

total Q-factor considering all losses

Qms

13.048

mechanical Q-factor of driver in free air considering Rms only

Qes

0.739

electrical Q-factor of driver in free air considering Re only

Qts

0.699

total Q-factor considering Re and Rms only

Vas

8.8178

I

equivalent air volume of suspension

n0

0.098

%

reference efficiency (2 pi-radiation using Re)

Lm

82.13

dB

characteristic sound pressure level (SPL at 1m for 1W @ Re)

Lnom

82.40

dB

nominal sensitivity (SPL at 1m for 1W @ Zn)

rmse Z

3.96

%

root-mean-square fitting error of driver impedance Z(f)

rmse Hx

1.98

%

root-mean-square fitting error of transfer function Hx (f)

Sd

188.69

cm²

diaphragm area

Xmax

10.5

mm

Xmax (Linear Excursion)