Eighteen Sound 18NLW9400

Name: 18NLW9400
Brand: Eighteen Sound

4Ω

8Ω

Subwoofer

18″ / 462 mm

Nominal diameter

32 Hz

Resonance

0.22

Q factor

97 dB

Sensitivity

± 9.5 mm

Linear excursion

2400 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

96.9

Frequency response

30 - 2500

Thiele & Small parameters

Resonance frequency (free air)

f_S

32.0

Mechanical quality factor

Q_MS

6.10

Electrical quality factor

Q_ES

0.23

Total quality factor

Q_TS

0.22

Large signal parameters

Maximum linear excursion

x_max

9.5

Air volume displaced at x_max

V_D

1164

cm³

Power handling

1200

Program power

P_max

2400

Voice Coil

Nominal impedance

DC resistance

R_E

2.6

Inductance (1kHz)

L_E

1.25

VC Diameter

100

Winding material

Copper

Magnet

Force factor

20.5

N/A

Motor constant

Bl/√R_E

12.7

N/√W

Material

Neodymium

Diaphragm

Effective diameter

395

Effective area

S_D

1225

cm²

Moving mass

M_MS

185

Moving mass (without air load)

M_MD

155.3

Material

Weather protected

Suspensions

Stiffness

K_MS

7.46

N/mm

Compliance

C_MS

134

µm/N

Equivalent volume to the compliance

V_AS

278

Mechanical resistance

R_MS

6.1

N·s/m

Dimensions

Nominal diameter

″

462

Overall diameter

462

Baffle cutout diameter

416

Overall depth

223

Flange thickness

Mounting depth

202

Volume occupied by the driver (estimated)

5.8

Net weight

8.7

Datasheet

Export this driver to a simulation software:

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