NDH18-4S

Low Frequency Driver

18 Inches

PRO

Voice Coil Diameter

100 mm 4 in

Continuous Power Handling

2000 W

Sensitivity

96.5 dB

Specifications

Nominal Diameter

450 mm (17.72 in)

Nominal Power Handling

1000 W

Sensitivity

96.5 dB

Voice Coil Diameter

100 mm (4 in)

Magnetic Gap Depth

14 mm

Nominal Impedance

8 Ω

Continuous Power Handling

2000 W

Frequency Range

30 Hz - 30 Hz

Winding Depth

30 mm (1.18 in)

Parameters

Fs

31 Hz

Qes

0.33

Qts

0.32

Sd

1164 cm² (180.42 in²)

Xmax

11.5 mm (0.45 in)

Bl

27.7 Tm

d

385 mm (15.16 in)

Re

6.1 Ω

Qms

9.8

Vas

239 dm³ (8.44 ft³)

η0

2.1 %

Mms

212 g

Le

1.9 mH

EBP

94 Hz

Design

Recommended Enclosure

120 dm³ (4.238 ft³)

Connection Type

Faston

Cone Material

Treated Cellulose

Recommended Loading

Vented Box

Suspension

Nomex Fabric

Mounting and Shipping Info

Overall Diameter

388 mm (15.28 in)

Baffle Cutout Diameter

354 mm (13.94 in)

Flange and Gasket Thickness

13 mm (0.51 in)

Shipping Units

1 pcs

Bolt Quantity

8 pcs

Bolt Circle Diameter

370 mm (14.57 in)

Depth

208 mm (8.19 in)

Net Weight

8 kg (17.62 lb)

Basket Material

Diecast Aluminum

Bolt Diameter

7 mm (0.28 in)

SOUND & VISION
a division of the B&C SPEAKERS Group

Eighteen Sound srl

via A. Botticelli, 10

42124 Reggio Emilia

ITALY

VAT # IT 02577810357