Thiele/Small Parameters

Re

7.08

Ohm

electrical voice coil resistance at DC

Krm

0.0098

Ohm

WRIGHT inductance mode

Erm

0.87

WRIGHT inductance mode

Kxm

0.05665

Ohm

WRIGHT inductance mode

Exm

0.74

WRIGHT inductance mode

Cmes

652.465

µF

electrical capacitance representing moving mass

Lces

40.89

mH

electrical inductance representing driver compliance

Res

79.1

Ohm

resistance due to mechanical losses

fs

30.8

Hz

driver resonance frequency

Mms

273.1695

g

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

Mmd

254.6515

g

mechanical mass of voice coil and diaphragm without air load

Rms

5.295

kg/s

mechanical resistance of total-driver losses

Cms

0.0975

mm/N

mechanical compliance of driver suspension

Kms

10.245

N/mm

mechanical stiffness of driver suspension

Bl

20.465

Tm

force factor (Bl product)

Lambda

0.049

suspension creep factor

Qtp

0.922

total Q-factor considering all losses

Qms

9.99

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

Qes

0.8945

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

Qts

0.821

total Q-factor considering Re and Rms only

Vas

57.53225

I

equivalent air volume of suspension

n0

0.181

reference efficiency (2 pi-radiation using Re)

Lm

84.775

dB

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

Lnom

85.305

dB

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

rmse Z

2.795

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

rmse Hx

1.47

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

0

Ohm

resistance of series resistor

Sd

645.17

cm²

diaphragm area

Xmax

10.25

mm