QSC GP218-sw-BK User Manual
GP Series
GP218-sw
High Output, Direct Radiating,
Vented Subwoofer
GP218-sw
Features
• Dual premium-grade, long
excursion, high power 18-inch
transducers with 4-inch
voicecoil, dual layer spider
and triple-roll surrounds
• Interlocking feet and recess
features allow for allow for
rigid vertical stacking
• Built-in handles along with
the optional dolly board
and soft cover offers ease of
transport
• M10 fittings allows for
suspension in permanent and
portable applications
• Dual NL4 Speakon connectors
• 18mm Baltic birch plywood
construction
• 16-Gauge powder coated
Steel Grilles
• Available in black and white
• Complete EASE, CAD & BIM
information available online
Performance Spaces ∙ Worship Facilities ∙ Portable and Live Sound
∙ Dance Clubs ∙ Indoor Sports Facilities ∙ Themed Entertainment
The GP218-sw is a premium, highperformance, direct radiating dual 18-inch
subwoofer designed for use in portable
and installed sound applications. This
powerful subwoofer offers plenty of
“punch” while maintaining ample extension
so the musically important fundamentals
are solidly and accurately reproduced.
With an impressive combination of
low-frequency extension and musical
accuracy, the GP218-sw is an ideal
companion to QSC’s WideLine Series, ILA
Series, AcousticPerformance™ Series and
AcousticDesign™ Series loudspeakers.
The GP218-sw features two 18-inch
transducers that incorporate a double layer
spider and triple roll surround for extended
and controlled excursion at extreme power.
The 4-inch voicecoil is wound on a fiberglass
former to prevent deformation at high
operating temperatures and is extensively
vented to reduce power compression. An
aluminum demodulating ring is employed to
further reduce distortion.
The GP218-sw is housed in an 18mm
Baltic birch plywood enclosure and finished
in an environmentally friendly, waterborne,
polymer finish rugged enough for the
demands of everyday use while also
being field repairable. Internal bracing is
employed to eliminate acoustic losses due
to panel resonance while maintaining the
enclosure’s robustness.
Further contributions to cabinet rigidity
include vent walls constructed of the same
plywood as the enclosure. Ample port area
allows free movement of air resulting in
minimal turbulence and port distortion.
Finishing the enclosure’s aesthetic design,
the transducer is protected by a 16-gauge,
powder coated steel grille.
To aid in transporting the GP218-sw, the
unit features built-in handles with options
for a dolly board and soft cover. For
increased versatility, the GP218-sw can be
stacked vertically using their interlocking
feet and recess features machined into the
enclosure’s top panel.
GP218-sw Details
Front
Top
Side
Specifications:
System Details
Frequency Range (-10dB) 24Hz – 1.2kHz
Power Capacity
Nominal Sensitivity
Maximum Rated SPL 135dB @1m, continuous3
Nominal Impedance 4Ω
Transducer 457mm (18-inch) driver with 102mm (4-inch)
Recommended Power 3000 - 4000W
Enclosure Details
Input Connector Dual NL4 connector
Pin Outs 1+/1- Sub
Enclosure Material 18mm Baltic birch plywood
Attachment Points 16x threaded M10 inserts
Grille 16 Gauge powder coated steel
Dimensions (HxWxD) 508 mm x 1198 mm x 762 mm
Net Weight 87 kg (191 lb)
Shipping Weight 95 kg (209 lb)
Optional Accessories CP218-0 transportation dolly
1
1700W (82.5V) continuous
3400W peak
2
102dB, 1W@1m
141dB @1m, peak
4
Voicecoil
2+/2- N/C
(20" x 47.2" x 30")
CP218-1 transportation dolly plus soft cover
As part of QSC’s ongoing commitment to product development, specifications are
subject to change without notice.
1
2 hour rating using IEC60268 noise based on minimum impedance
2
Mid-band based on nominal impedance
3
Calculated as the nominal sensitivity plus 10x the log of continuous
rated power in volts squared divided by nominal impedance
4
Calculated as the continuous calculated max output plus 6dB
1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174 please recycle
© 2012 QSC Audio Products, LLC. All rights reserved. QSC and the QSC logo are registered
trademarks of QSC Audio Products, LLC in the U.S. Patent and Trademark office and other
countries. DMT is a trademark of QSC. Speakon is a registered trademark of Neutrik
GP218-sw Spec Sheet 12/3/2012
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