iS118-i Subwoofer
Applications
Performing Arts Centers
Houses of Worship
Arenas/Auditoriums
Night Clubs
Cruise Ships
Entertainment Venues
A/V Systems Support
Features
Max Output 136 dB SPL
10° Trapezoidal Arrayable Cabinet
LF Device: 18 in. (457.2 mm)
Integral Bimodal Rigging
Black Epoxy Mastic Finish
EP-4 Connector
General Description
The iS118-i is the low frequency subwoofer
extension of the Clair Brothers i-Series line array
system designed for permanent installations.
This arrayable subwoofer is specifically designed
to complement the i208-i and i212-i line array
systems.
For installations where flown rigging is not
possible, the iS118-i can serve as a ground
stacking base for the i208 line array speakers.
As with all Clair Brothers speaker products, the
iS118-i is constructed with the finest Baltic birch
plywood and finished with a rugged exterior
black epoxy mastic finish to withstand the most
demanding conditions.
The 18 in. direct radiating transducer has a
weather-resilient cone that produces exceptional
linear excursion, and maximum peak to peak
excursion of 70 mm (2.75 in). The result is a high
power handling, high performance subwoofer Options & Accessories
that delivers tightly controlled low-frequency iS118-M – Mobile Model
response.
Accessories:Ground Stack Rigging
Soft Cover and Dolly Transport
The iS118-i has a three-point integral bimodal rigging system for various installation Custom Rigging
configurations. The cabinet may be flown above Custom Colors Available
the i208-i line array, providing an aesthetically
pleasing alternative to ground stacked subs
beneath the array. The iS118-i may also be
flown along side the i212-i array as a bass array.
Call or e-mail Clair Brothers for more information on available options.
(717-665-4000) e-mail: sales@clairbrothers.com
iS118-i Subwoofer
AUDIO SPECIFICATIONS
Loudspeaker Type
Arrayable Subwoofer
(Maximum Angle of 10° between cabinets)
Frequency Response (+/- 2dB)
Single Cabinet 34Hz–180Hz
-10 dB Point
30Hz
Recommended Power Amplifier
2400W @ 8 Ohms
Sensitivity (1 Watt @ 1 Meter)
97 dB SPL
Maximum Output
Cont.
Peak
133 dB SPL
136 dB SPL
Driver
LF
(1) 18 in. (457.2mm)
Nominal Impedance
LF
8 Ohms
Power Handling
Nominal
Peak
2000W
4000W
Input Connection
Standard
(2) EP-4 Connectors (1 Male, 1 Female)
Shell
Finish
18mm Baltic Birch
Black Epoxy Mastic
733.2
28.87
MECHANICAL SPECIFICATIONS
Enclosure
Grille
Perforated Steel with Tension Mechanism
Foam Backed
Dimensions
Front Height
Rear Height
Width
Depth
Weight
Shipping Weight
20.24 in. (514.0mm)
15.49 in. (393.4mm)
28.87 in. (733.2mm)
30.39 in. (771.9mm)
514
20.24
141 lbs. (63.9kg)
159 lbs. (72.1kg)
771.9
30.39
Note: All wattage figures are calculated using the rated nominal impedance.
Clair Brothers products are designed to perform optimally by utilizing factory recommended proprietary DSP settings.
iS118-i EP-4 Pin Configuration
Pin
Use
1 & 3
Low (−)
2 & 4
Low (+)
ARCHITECT AND ENGINEER SPECIFICATIONS
The loudspeaker shall be a subwoofer system containing (1) 18” driver in a vented enclosure. Power handling capacity shall be 2000 watts
RMS nominal and 4000 watts RMS peak. The low frequency driver shall be 18” diameter capable of handling 1800 watts of pink noise with
a 6 dB crest factor for 8 hours (as per EIA RS-426-A standard). The pass-band frequency range shall be at minimum, 38–180Hz with -10dB
at 32Hz. The 18” transducer shall have a 5.3” (135mm) diameter dual-layer aluminum ribbon voice coil with a low-noise, forced ventilation
magnet structure. The motor assembly shall have high thermal capacity and low thermal power compression characteristics. The enclosure
shall be constructed of 18mm, 13-ply Baltic birch and be covered with a black epoxy mastic finish. The cabinet bracing shall be that of a gusset
design providing uniform panel rigidity. The rigging system shall consist of i208/i212 compatible integrated rigging with provisions for both
hanging and ground stacked applications. Dimensions shall be 20.24” high, 28.87” wide, and 30.39” deep. The system weight shall be 141
lbs. (63.9kg). The loudspeaker system shall be the Clair Brothers iS118-i speaker.
CLAIR BROTHERS • ONE CLAIR BOULEVARD • MANHEIM, PA 17545 • 717-665-4000 • WWW.CLAIRBROTHERS.COM
CBAS20140827
Due to constant research, development and improvements all specifications are subject to change without notice.
Made in USA
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