Thiele/Small Parameters

Re

7.155

Ohm

electrical voice coil resistance at DC

Krm

0.00575

Ohm

WRIGHT inductance model

Erm

0.94

WRIGHT inductance model

Kxm

0.0535

Ohm

WRIGHT inductance model

Exm

0.755

WRIGHT inductance model

Cmes

378.565

µF

electrical capacitance representing moving mass

Lces

55.405

mH

electrical inductance representing driver compliance

Res

133.045

Ohm

resistance due to mechanical losses

fs

34.9

Hz

driver resonance frequency

Mms

128.236

g

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

Mmd

120.952

g

mechanical mass of voice coil and diaphragm without air load

Rms

2.5785

kg/s

mechanical resistance of total-driver losses

Cms

0.163

mm/N

mechanical compliance of driver suspension

Kms

6.17

N/mm

mechanical stiffness of driver suspension

Bl

18.4055

Tm

force factor (Bl product)

Lambda

0.009

suspension creep factor

Qtp

0.6295

total Q-factor considering all losses

Qms

10.966

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

Qes

0.594

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

Qts

0.563

total Q-factor considering Re and Rms only

Vas

27.6937

I

equivalent air volume of suspension

n0

0.1895

%

reference efficiency (2 pi-radiation using Re)

Lm

84.98

dB

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

Lnom

85.465

dB

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

rmse Z

2.98

%

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

rmse Hx

1.675

%

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

Sd

346.36

cm²

diaphragm area

Xmax

14

mm

Xmax (Linear Excursion)