Thiele/Small Parameters

Re

3.8725

Ohm

electrical voice coil resistance at DC

Krm

0.009175

Ohm

WRIGHT inductance mode

Erm

0.8

WRIGHT inductance mode

Kxm

0.0288

Ohm

WRIGHT inductance mode

Exm

0.755

WRIGHT inductance mode

Cmes

628.8075

µF

electrical capacitance representing moving mass

Lces

40.2225

mH

electrical inductance representing driver compliance

Res

122.1525

Ohm

resistance due to mechanical losses

fs

31.7

Hz

driver resonance frequency

Mms

150.6705

g

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

Mmd

143.2815

g

mechanical mass of voice coil and diaphragm without air load

Rms

1.9645

kg/s

mechanical resistance of total-driver losses

Cms

0.16775

mm/N

mechanical compliance of driver suspension

Kms

5.96

N/mm

mechanical stiffness of driver suspension

Bl

15.4845

Tm

force factor (Bl product)

Lambda

0.05225

suspension creep factor

Qtp

0.5435

total Q-factor considering all losses

Qms

15.2695

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

Qes

0.4845

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

Qts

0.4695

total Q-factor considering Re and Rms only

Vas

29.0195

I

equivalent air volume of suspension

n0

0.18275

reference efficiency (2 pi-radiation using Re)

Lm

84.8225

dB

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

Lnom

84.96

dB

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

rmse Z

3.37

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

rmse Hx

2.1

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

Sd

349.67

cm²

diaphragm area