Thiele/Small Parameters

Re

7.415

Ohm

electrical voice coil resistance at DC

Krm

0.00805

Ohm

WRIGHT inductance mode

Erm

0.835

WRIGHT inductance mode

Kxm

0.0318

Ohm

WRIGHT inductance mode

Exm

0.765

WRIGHT inductance mode

Cmes

394.66

µF

electrical capacitance representing moving mass

Lces

34.915

mH

electrical inductance representing driver compliance

Res

90.14

Ohm

resistance due to mechanical losses

fs

42.9

Hz

driver resonance frequency

Mms

110.3145

g

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

Mmd

105.3295

g

mechanical mass of voice coil and diaphragm without air load

Rms

3.102

kg/s

mechanical resistance of total-driver losses

Cms

0.125

mm/N

mechanical compliance of driver suspension

Kms

8.005

N/mm

mechanical stiffness of driver suspension

Bl

16.718

Tm

force factor (Bl product)

Lambda

0.0855

suspension creep factor

Qtp

0.806

total Q-factor considering all losses

Qms

9.583

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

Qes

0.7885

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

Qts

0.7285

total Q-factor considering Re and Rms only

Vas

12.8003

I

equivalent air volume of suspension

n0

0.123

reference efficiency (2 pi-radiation using Re)

Lm

83.1

dB

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

Lnom

83.43

dB

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

rmse Z

3.515

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

rmse Hx

2.175

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

0

Ohm

resistance of series resistor

Sd

268.96

cm²

diaphragm area

Xmax

7.25

mm