B&C Speaker 18IPAL

Name: 18IPAL
Brand: B&C Speaker

Subwoofer

18″ / 460 mm

Nominal diameter

32 Hz

Resonance

0.14

Q factor

97 dB

Sensitivity

± 20 mm

Linear excursion

3400 W

Program Power

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Specifications

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

96.6

Frequency response

32 - 1000

Thiele & Small parameters

Resonance frequency (free air)

f_S

32.0

Mechanical quality factor

Q_MS

4.20

Electrical quality factor

Q_ES

0.14

Total quality factor

Q_TS

0.14

Large signal parameters

Maximum linear excursion

x_max

20.0

Air volume displaced at x_max

V_D

2420

cm³

Power handling

1700

Program power

P_max

3400

Voice Coil

Nominal impedance

DC resistance

R_E

1.3

Inductance (1kHz)

L_E

0.65

VC Diameter

116

Winding height

H_VC

Winding material

Aluminium

Former material

Glass Fibre

Magnet

Flux density

1.5

Force factor

24.5

N/A

Motor constant

Bl/√R_E

21.5

N/√W

Air gap height

H_AG

Material

Neodymium Inside Slug

Diaphragm

Effective diameter

393

Effective area

S_D

1210

cm²

Moving mass

M_MS

330

Moving mass (without air load)

M_MD

300.8

Material

Waterproof Both Sides

Suspensions

Stiffness

K_MS

12.99

N/mm

Compliance

C_MS

µm/N

Equivalent volume to the compliance

V_AS

164

Mechanical resistance

R_MS

15.8

N·s/m

Spider material

Silicone

Dimensions

Nominal diameter

″

460

Overall diameter

460

Baffle cutout diameter

422

Overall depth

261

Flange thickness

Mounting depth

245

Volume occupied by the driver

10.5

Net weight

15.35

Datasheet

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