ESX Signum SX1240

Name: SX1240
Brand: ESX

Subwoofer

12″ / 300 mm

Nominal diameter

28 Hz

Resonance

0.35

Q factor

88 dB

Sensitivity

± 8.5 mm

Linear excursion

1000 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

88.1

Thiele & Small parameters

Resonance frequency (free air)

f_S

28.0

Mechanical quality factor

Q_MS

5.30

Electrical quality factor

Q_ES

0.37

Total quality factor

Q_TS

0.35

Large signal parameters

Maximum linear excursion

x_max

8.5

Maximum excursion before damage

x_lim

16.0

Air volume displaced at x_max

V_D

429

cm³

Power handling

500

Program power

P_max

1000

Voice Coil

Nominal impedance

DC resistance

R_E

3.2

Inductance (1kHz)

L_E

1.1

VC Diameter

Winding height

H_VC

Magnet

Force factor

14.0

N/A

Motor constant

Bl/√R_E

7.83

N/√W

Diaphragm

Effective diameter

254

Effective area

S_D

505

cm²

Moving mass

M_MS

142

Moving mass (without air load)

M_MD

133.7

Suspensions

Stiffness

K_MS

4.46

N/mm

Compliance

C_MS

224

µm/N

Equivalent volume to the compliance

V_AS

Mechanical resistance

R_MS

4.71

N·s/m

Dimensions

Nominal diameter

″

300

Overall diameter

315

Baffle cutout diameter

282

Mounting depth

140

Volume occupied by the driver (estimated)

2.6

Datasheet

Export this driver to a simulation software:

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S_D

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