Thiele/Small Parameters

Re

3.6

Ohm

electrical voice coil resistance at DC

Le

4.95225

mH

frequency independent part of voice coil inductance

Krm

0.0231

Ohm

WRIGHT inductance mode

Erm

0.7875

WRIGHT inductance mode

Kxm

0.0957

Ohm

WRIGHT inductance mode

Exm

0.6775

WRIGHT inductance mode

Cmes

955.5525

µF

electrical capacitance representing moving mass

Lces

41.92

mH

electrical inductance representing driver compliance

Res

100.9025

Ohm

resistance due to mechanical losses

fs

25.2

Hz

driver resonance frequency

Mms

441.833

g

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

Mmd

403.7535

g

mechanical mass of voice coil and diaphragm without air load

Rms

4.60575

kg/s

mechanical resistance of total-driver losses

Cms

0.0905

mm/N

mechanical compliance of driver suspension

Kms

11.0925

N/mm

mechanical stiffness of driver suspension

Bl

21.5085

N/A

force factor (Bl product)

Lambda

0.058

suspension creep factor

Qtp

0.70225

total Q-factor considering all losses

Qms

15.2385

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

Qes

0.5445

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

Qts

0.526

total Q-factor considering Re and Rms only

Vas

139.67785

I

equivalent air volume of suspension

n0

0.39325

%

reference efficiency (2 pi-radiation using Re)

Lm

88.145

dB

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

Lnom

88.6

dB

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

rmse Z

3.1725

%

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

rmse Hx

1.595

%

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

Sd

1043.3

cm²

diaphragm area

Xmax

19

mm