Thiele/Small Parameters

Re

3.86

Ohm

electrical voice coil resistance at DC

Le

4.5005

mH

frequency independent part of voice coil inductance

Krm

0.018625

Ohm

WRIGHT inductance mode

Erm

0.805

WRIGHT inductance mode

Kxm

0.0866

Ohm

WRIGHT inductance mode

Exm

0.68

WRIGHT inductance mode

Cmes

843.6725

µF

electrical capacitance representing moving mass

Lces

31.7125

mH

electrical inductance representing driver compliance

Res

69.165

Ohm

resistance due to mechanical losses

fs

30.85

Hz

driver resonance frequency

Mms

281.75825

g

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

Mmd

263.24075

g

mechanical mass of voice coil and diaphragm without air load

Rms

4.84575

kg/s

mechanical resistance of total-driver losses

Cms

0.09475

mm/N

mechanical compliance of driver suspension

Kms

10.5875

N/mm

mechanical stiffness of driver suspension

Bl

18.2875

N/A

force factor (Bl product)

Lambda

0.0485

suspension creep factor

Loss Factors

Qtp

0.7855

total Q-factor considering all losses

Qms

11.26875

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

Qes

0.6315

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

Qts

0.59775

total Q-factor considering Re and Rms only

Vas

55.76585

I

equivalent air volume of suspension

n0

0.25

%

reference efficiency (2 pi-radiation using Re)

Lm

86.1675

dB

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

Lnom

86.32

dB

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

rmse Z

2.215

%

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

rmse Hx

1.875

%

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

Sd

645.17

cm²

diaphragm area

Xmax

16.25

mm