Thiele/Small Parameters

Re

6.975

Ohm

electrical voice coil resistance at DC

Krm

0.0092

Ohm

WRIGHT inductance mode

Erm

0.895

WRIGHT inductance mode

Kxm

0.05965

Ohm

WRIGHT inductance mode

Exm

0.745

WRIGHT inductance mode

Cmes

478.55

µF

electrical capacitance representing moving mass

Lces

57.855

mH

electrical inductance representing driver compliance

Res

135.04

Ohm

resistance due to mechanical losses

fs

30.25

Hz

driver resonance frequency

Mms

172.3025

g

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

Mmd (Sd)

159.414

g

mechanical mass of voice coil and diaphragm without air load

Rms

2.6665

kg/s

mechanical resistance of total-driver losses

Cms

0.1605

mm/N

mechanical compliance of driver suspension

Kms

6.22

N/mm

mechanical stiffness of driver suspension

Bl

18.9755

Tm

force factor (Bl product)

Lambda

-0.015

suspension creep factor

Qtp

0.681

total Q-factor considering all losses

Qms

12.282

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

Qes

0.634

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

Qts

0.6025

total Q-factor considering Re and Rms only

Vas

58.3798

I

equivalent air volume of suspension

n0

0.245

%

reference efficiency (2 pi-radiation using Re)

Lm

86.09

dB

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

Lnom

86.685

dB

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

rmse Z

2.4

%

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

rmse Hx

2.575

%

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

Sd

506.71

cm²

diaphragm area

Xmax

14

mm

Xmax (Linear Excursion)