DUTCH LF-218 Quick Start Manual Download Page 1

1

QS_D

A_LF

-218_

v1.0

 Dual-18˝ Band-Pass Compact Multipurpose Subwoofer

QuickStart Guide

LF

 Series models allow the user to choose the most adequate subwoofer for 

any given situation from within a family of products with common finish, design 
solutions and performance philosophy as well as shared rigging and transport 
accessories.

LF-

218 is compact Dual 18” multipurpose high output subwoofer for a very wide 

range of configurations of both professional portable sound reinforcement, 
touring and premium installations.

Like All IDea Loudspeakers 

LF-

218 is built with the necessary structural strength 

and finish quality required for durable touring use. Its high quality 18 mm birch 
plywood enclosure covered with DUTCH ACOUSTICS Aquaforce custom paint 
solution and a 2 mm steel front grill will keep your equipment safe and brand 
new after hours of heavy touring.

LF-

218 features four integrated handles and two 35 mm pole mount sockets for 

vertical and horizontal set-ups. Optional wheels kit is also available.

+/- 1 

Subwoofer Signal

+/- 2 

Parallel Signal

NL-4 PINOUT:

SYSTEM CONFIGURATION AND SETTINGS

RECOMMENDED SETTINGS

LF-

218 back panel is fitted with a pair of Neutrik NL-4 connectors in parallel 

for straightforward, flexible installation setup.

LF-

218

INPUT

LINK

PRODUCT OF EUROPE

Made in Spain

Designed, engineered
and manufactured in Europe

The installation of this product 
should be implemented by 

qualified professionals 

following safe practices and 
local regulations.

Refer to the owner's manuals 
for rigging instructions, 
system components and 
suspension hardware intended 
for this product.

NL-4 PINOUT

Subwoofer Signal

Parallel Signal

Type

Freq

Q

Gain

Bell

129 Hz

9.0

-3.60

Bell

200 Hz

5.0

-1.50

Bell

85 Hz

5.0

2.00

HPF:

38 Hz

Butterworth 18dB

LPF:

98 Hz

Butterworth 24dB

LPF@ 100 Hz

Type

Freq

Q

Gain

Bell

131 Hz

9.0

-2.80

Bell

200 Hz

4.0

-7.00

Bell

100 Hz

4.5

1.90

HPF:

38 Hz

Butterworth 18dB

LPF:

120 Hz

Butterworth 18dB

LPF@ 120 Hz

Type

Freq

Q

Gain

Bell

129 Hz

9.0

-3.00

Bell

200 Hz

5.0

-4.00

Bell

100 Hz

4.5

1.50

HPF:

38 Hz

Butterworth 18dB

LPF:

160 Hz

Butterworth 18dB

LPF@ 150 Hz

LF-

218

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