Mackie S218S User Manual
CARE AND MAINTENANCE
Your Mackie subwoofer will pro vide many years of reli-
able ser vice if you fol low these guide lines:
Avoid exposing the subwoofer to
mois ture. If your loudspeakers are
set up out doors, be sure they are
under cover if you expect rain.
S218s SPECIFICATIONS
• Avoid exposure to extreme cold (be low freezing
tem per a tures). If you must operate the subwoofers in a cold en vi ron ment, warm up the voice coil
slowly by sending a low-level sig nal through it for
about 15 minutes prior to high-power op er a tion.
• Use a slighty damp cloth with a mild soap so lu tion
to clean the cabinets. Only do this when the power
is turned off. Avoid getting mois ture into any of
the open ings of the cab i net, par tic u lar ly where the
driver is located.
Acoustic Performance
Frequency Range (–10 dB)
38 Hz–360 Hz
Sensitivity (1W/1m) 99 dB SPL
Max SPL long-term 122 dB @ 1m
Max SPL peak 128 dB @ 1m
Crossover Point 180 Hz, 12 dB/octave
Woofer Loading Bass refl ex
Input/Output
Input/Output Type Neutrik Speakon™ and
female 1/4-in. TS jack
Input Impedance (nominal)
8 ohms
Input Impedance (minimum)
3.9 ohms @ 110 Hz
Recommended Lowpass Filter (if using external
crossover) 150 Hz, 24 dB/octave
Recommended Amplifi er Power
500 watts rms continuous
2000 watts peak
Low-Frequency Section
Woofer Diameter 18.0 in/457 mm
Voice Coil Diameter 3 in/76 mm
Diaphragm Material Cellulose
Magnet Material Ferrite
Construction Features
Basic Design Bass refl ex
Material 15 mm multi-layered plywood
Finish Black paint
Handles
Grille Perforated metal with weather resistant coating
One on each side
Physical Properties
Height 30.0 in/76.2 cm
Width 21.0 in/53.3 cm
Depth 21.0 in/53.3 cm
Weight 81.5 lb/37.0 kg
Mounting Methods Floor mount only.
The S218s cabinet has no rigging points and is
not
the
suitable for fl ying. Never attempt to suspend
cabinet by its handles.
Disclaimer
Since we are always striving to make our products better by in cor po rat ing new and im proved ma te ri als, com po nents, and man u fac tur ing methods, we re serve the right to change these spec i fi ca tions
at any time with out no tice.
“Mackie” and the “Running Man” fi gure are reg is tered trade marks
of LOUD Technologies Inc.
All other brand names men tioned are trade marks or registered
trademarks of their respective hold ers, and are hereby ac knowl edged.
Need Help?
You can reach a technical support representative
Monday through Friday
from 7 AM to 5 PM PST at:
1-800-898-3211
After hours, visit www.mackie.com and click Support,
or email us at: techmail@mackie.com
©2005 LOUD Technologies Inc.
All Rights Reserved.
9
S218s Frequency Response On-Axis
110
100
90
dB SPL @ 2.83 V
80
1/3 Octave Response
70
20 100 1000
S218s Dimensions
30.0 in/
76.2 cm
Frequency (Hz)
S218S
DESIGNED BY MACKOIDS IN WHITINSVILLE, MA & WOODINVILLE, WA,USA
"MACKIE" AND THE "RUNNING MAN" FIGURE
ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. • COPYRIGHT ©2004
1/4"NL4
TIP +
SLEEVE -
NOMINAL IMPEDANCE: 8 OHMS
POWER HANDLING: CONT/ 500W • PEAK/ 2000W
PIN 1 + +
PIN 1 - -
SERIAL NUMBER MANUFACTURING DATESERIAL NUMBER MANUFACTURING DATE
21.0 in/
53.3 cm
10
21.0 in/
53.3 cm
21.0 in/
53.3 cm
21.0 in/
53.3 cm
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