Eighteen Sound 12ND930

Name: 12ND930
Brand: Eighteen Sound

Subwoofer

12″ / 300 mm

Nominal diameter

50 Hz

Resonance

0.21

Q factor

97 dB

Sensitivity

± 6.5 mm

Linear excursion

800 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

97.0

Frequency response

46 - 4500

Thiele & Small parameters

Resonance frequency (free air)

f_S

50.0

Mechanical quality factor

Q_MS

5.64

Electrical quality factor

Q_ES

0.22

Total quality factor

Q_TS

0.21

Large signal parameters

Maximum linear excursion

x_max

6.5

Air volume displaced at x_max

V_D

345

cm³

Power handling

500

Program power

P_max

800

Voice Coil

Nominal impedance

DC resistance

R_E

5.5

Inductance (1kHz)

L_E

1.65

VC Diameter

Winding material

Copper

Magnet

Force factor

21.2

N/A

Motor constant

Bl/√R_E

9.04

N/√W

Material

Neodymium

Diaphragm

Effective diameter

260

Effective area

S_D

531

cm²

Moving mass

M_MS

Moving mass (without air load)

M_MD

48.2

Suspensions

Stiffness

K_MS

5.62

N/mm

Compliance

C_MS

178

µm/N

Equivalent volume to the compliance

V_AS

Mechanical resistance

R_MS

3.18

N·s/m

Dimensions

Nominal diameter

″

300

Overall diameter

315

Baffle cutout diameter

282

Overall depth

140

Flange thickness

Mounting depth

129

Volume occupied by the driver (estimated)

2.2

Net weight

4.4

Datasheet

Export this driver to a simulation software:

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