Thiele/Small Parameters

Re

3.80

Ohm

electrical voice coil resistance at DC

Krm

0.0038

Ohm

WRIGHT inductance mode

Erm

0.95

WRIGHT inductance mode

Kxm

0.0354

Ohm

WRIGHT inductance mode

Exm

0.76

WRIGHT inductance mode

Cmes

760.65

µF

electrical capacitance representing moving mass

Lces

33.66

mH

electrical inductance representing driver compliance

Res

69.29

Ohm

resistance due to mechanical losses

fs

31.5

Hz

driver resonance frequency

Mms

185.445

g

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

Mmd (Sd)

171.621

g

mechanical mass of voice coil and diaphragm without air load

Rms

3.519

kg/s

mechanical resistance of total-driver losses

Cms

0.138

mm/N

mechanical compliance of driver suspension

Kms

7.24

N/mm

mechanical stiffness of driver suspension

Bl

15.614

Tm

force factor (Bl product)

Lambda

-0.020

suspension creep factor

Qtp

0.617

total Q-factor considering all losses

Qms

10.416

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

Qes

0.571

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

Qts

0.541

total Q-factor considering Re and Rms only

Vas

55.0775

I

equivalent air volume of suspension

n0

0.288

%

reference efficiency (2 pi-radiation using Re)

Lm

86.80

dB

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

Lnom

87.02

dB

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

rmse Z

2.51

%

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

rmse Hx

2.67

%

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

Sd

530.93

cm²

diaphragm area

Xmax

14

mm

Xmax (Linear Excursion)