Thiele/Small Parameters

Re

3.85

Ohm

electrical voice coil resistance at DC

Krm

0.00155

Ohm

WRIGHT inductance model

Erm

0.905

WRIGHT inductance model

Kxm

0.01125

Ohm

WRIGHT inductance model

Exm

0.78

WRIGHT inductance model

Cmes

604.74

µF

electrical capacitance representing moving mass

Lces

10.07

mH

electrical inductance representing driver compliance

Res

46.755

Ohm

resistance due to mechanical losses

fs

64.5

Hz

driver resonance frequency

Mms

43.38

g

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

Mmd

41.769

g

mechanical mass of voice coil and diaphragm without air load

Rms

1.535

kg/s

mechanical resistance of total-driver losses

Cms

0.1405

mm/N

mechanical compliance of driver suspension

Kms

7.14

N/mm

mechanical stiffness of driver suspension

Bl

8.4695

Tm

force factor (Bl product)

Lambda

0.088

suspension creep factor

Qtp

0.9445

total Q-factor considering all losses

Qms

11.462

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

Qes

0.9435

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

Qts

0.8715

total Q-factor considering Re and Rms only

Vas

3.18815

I

equivalent air volume of suspension

n0

0.0875

reference efficiency (2 pi-radiation using Re)

Lm

81.605

dB

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

Lnom

81.775

dB

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

rmse Z

3.285

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

rmse Hx

2.87

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

Sd

126.68

cm²

diaphragm area

Xmax

5.1

mm

Xmax (Linear Excursion)