Thiele/Small Parameters

Re

6.638

Ohm

electrical voice coil resistance at DC

Le

4.7588

mH

frequency independent part of voice coil inductance

Krm

0.01188

Ohm

WRIGHT inductance mode

Erm

0.844

WRIGHT inductance mode

Kxm

0.05306

Ohm

WRIGHT inductance mode

Exm

0.748

WRIGHT inductance mode

Cmes

440.15

µF

electrical capacitance representing moving mass

Lces

29.078

mH

electrical inductance representing driver compliance

Res

73.962

Ohm

resistance due to mechanical losses

fs

44.64

Hz

driver resonance frequency

Mms

122.979

g

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

Mmd

117.9948

g

mechanical mass of voice coil and diaphragm without air load

Rms

3.7912

kg/s

mechanical resistance of total-driver losses

Cms

0.1034

mm/N

mechanical compliance of driver suspension

Kms

9.68

N/mm

mechanical stiffness of driver suspension

Bl

16.7426

N/A

force factor (Bl product)

Lambda

0.0414

suspension creep factor

Qtp

0.8884

total Q-factor considering all losses

Qms

9.1052

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

Qes

0.819

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

Qts

0.7516

total Q-factor considering Re and Rms only

Vas

10.59684

I

equivalent air volume of suspension

n0

0.111

%

reference efficiency (2 pi-radiation using Re)

Lm

82.642

dB

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

Lnom

83.454

dB

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

rmse Z

3.686

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

rmse Hx

2.014

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

Sd

268.96

cm²

diaphragm area

Xmax

13.5

mm