Thiele/Small Parameters

Re

7.575

Ohm

electrical voice coil resistance at DC

Krm

0.0089

Ohm

WRIGHT inductance mode

Erm

0.885

WRIGHT inductance mode

Kxm

0.0597

Ohm

WRIGHT inductance mode

Exm

0.73

WRIGHT inductance mode

Cmes

419.11

µF

electrical capacitance representing moving mass

Lces

68.425

mH

electrical inductance representing driver compliance

Res

126.685

Ohm

resistance due to mechanical losses

fs

29.7

Hz

driver resonance frequency

Mms

191.972

g

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

Mmd

181.0525

g

mechanical mass of voice coil and diaphragm without air load

Rms

3.6155

kg/s

mechanical resistance of total-driver losses

Cms

0.1495

mm/N

mechanical compliance of driver suspension

Kms

6.695

N/mm

mechanical stiffness of driver suspension

Bl

21.4025

Tm

force factor (Bl product)

Lambda

0.019

suspension creep factor

Qtp

0.621

total Q-factor considering all losses

Qms

9.9155

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

Qes

0.593

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

Qts

0.5595

total Q-factor considering Re and Rms only

Vas

43.51055

I

equivalent air volume of suspension

n0

0.185

reference efficiency (2 pi-radiation using Re)

Lm

84.88

dB

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

Lnom

85.115

dB

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

rmse Z

3.075

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

rmse Hx

2.14

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

0

Ohm

resistance of series resistor

Sd

453.69

cm²

diaphragm area

Xmax

9.2

mm