PROFESSIONAL
LOUDSPEAKER SYSTEMS
From Fender Pro Audio
Owner's Manual for
115sA/118sA Subwoofer
P/N 051712
REV A
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ARTIST SERIES 115sA/118sA
PROFESSIONAL SUBWOOFER
LOUDSPEAKER
INTRODUCTION
Thank you for purchasing an Artist Series
115sA/118sA Professional Subwoofer from Fender
Pro Audio. We know that your music is important to
you. With the addition of this subwoofer, your music
will be reproduced as it was meant to be...Full, well
rounded, and balanced throughout the frequency
spectrum.
3/4” (1.9 cm) Oriented Strand Board
Cabinet
700W or 900W Program Pow er
Handling
48 Hz to 110 Hz (115sA) / 42 Hz to
110 Hz (118sA) Frequency Response
Featuring one 15” (115sA) or 18” (118sA) woofer
with a 2.5 “ voice coil and parallel high current 1/4”
jacks that allow you to “daisy chain” other
subwoofers or full range speakers to your system.
The sA’s bandpass design naturally rolls off high
frequencies so there is no need to use a passive or
active crossover network in multi-speaker systems.
The single reflex enclosure design provides for high
sensitivity, high power handling and excellent low
frequency response.
99 dB Sensitivity @ 1W / 1m
One 15” (38 cm) / 18” (46cm) Woofer
with 2.5” (6 cm) Voice Coil
High Current 1/4” Phone Jacks
Please read through this owner’s manual in order to
more thoroughly understand the operation, and
applications of your 115sA/118sA professional
subwoofer.
Large Diameter Vents for Minimum
Air Turbulence
CAUTION: Almost all speakers produce strong
magnetic fields which may interfere with the
normal operation of nearby electronic devices,
including televisions and computer video
monitors. To reduce or eliminate interference,
increase the distance between this product and
other nearby electronic devices.
3
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CONNECTIONS
SETUP SUGGESTIONS
The two 1/4" phone jacks on the 115sA/118sA are The placement of any speaker can dramatically
wired in full parallel so that any one of the connectors affect its sound. Thus, there are three primary
may be used as an input and the other connector as considerations to review when placing subwoofers.
an output to another enclosure. This allows multiple
cabinets to be "daisy chained", eliminating the need The first is time alignment. The full-range speaker
for several long runs of speaker cable.
system should be as close as possible to the
subwoofer so the sound from the subwoofer
Note: A single 115sA/118sA subwoofer represents reaches the audience at the same time as the sound
an 8Ω load to the amplifier. Daisy chaining two of from the full-range speaker systems. If the
them in parallel will represent a 4Ω load to the subwoofer is placed too far from the full-range
amplifier. Only amplifiers rated for 4Ω output should speaker systems, a slight smearing of the lower
be used in this configuration.
bass frequencies may occur. While ideal placement
for this consideration would involve stacking the full-
The following polarity convention should be used range speaker on top of the subwoofer, this effect is
when making connections to the 115sA/118sA:
quite subtle and an obvious effect may not be heard
until the separation between the two cabinets is large
enough to cause an audible time delay.
Polarity
Phone Jack
Positive (+)
Negative (-)
Tip
Sleeve
The second consideration is to try to obtain as
much bass as possible from the subwoofer. A
speaker in the middle of the floor or up in the air with
its back against a wall is referred to as operating in
"half space". Placing a speaker near a large, flat wall
and on the floor (quarter space) will boost the bass
USING THE 115sA/118sA IN A SYSTEM
The 115sA/118sA is designed to augment the low performance by about 3 dB as compared to half
frequency performance of the main P.A. speakers. space. The more surfaces the subwoofer is placed
The single reflex bandpass design of these systems against, the fewer the number of subwoofer
automatically rolls off the high frequencies enclosures are needed to achieve a desired SPL.
eliminating the need for an active or electronic
crossover network. Thus, the subwoofers can be The third consideration is convenience and the
wired directly in parallel with almost any full-range visual aspect of the speaker array. For temporary
speaker system.
installations, the subwoofer can be used as a
support for a full-range speaker system mounted
Nonetheless, a line-level electronic crossover, such directly on top of the subwoofer. Use only the 27”
as a Fender® PCN-2™ or PCN-4™, can be used in Fender Mounting Pole (P/N 711327) which has
order to split frequencies and send mid/high been specifically designed for use with both the
frequencies to a full-range speaker system and low 115sA/118sA subwoofer enclosures. In
frequencies to a subwoofer. By reproducing high permanent installations, the 115sA/118sA can be
levels of low bass frequencies, the 115sA/118sA placed under a stage, table, or podium.
relieves the smaller main speakers from having to
supply this energy. If a crossover is used in your For each particular situation, a compromise among
set-up, make sure that the crossover point is these three factors should yield the best solution
between 100/120 Hz to ensure maximum possible.
efficiency from your 115sA/118sA.
Two different configurations are shown on pages 5
and 6, demonstrating how easy it is to add a
subwoofer to your system. Figure 3, on page 7,
shows a more extensive configuration for those set-
ups requiring additional power.
4
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USING A FULL RANGE CABINET AND A 115sA/118sA SUBWOOFER
112-ELC
112-ELC
5
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USING MULTIPLE FULL RANGE CABINETS AND 115sA/118sA SUBWOOFERS
112-ELC
112-ELC
112-ELC
112-ELC
6
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BI-AMPED MAIN SYSTEM WITH MONITORS
SPL 1225
SPL 1225
SPL 1225
SPL 1225
SUBWOOFERS
A Out
B Out
UNPOWERED MIXER
MONITOR
OUT
MAIN
OUT
(Dual mono
operation)
IN
B Out
A Out
IN
M-500
MONITOR
AMPLIFIER
(Dual mono
operation)
OUT
OUT
IN
LOW HIGH
OUT OUT
INPUT
- ∞
- ∞
- ∞
- ∞
- ∞
- ∞
PCN-2 ELECTRONIC CROSSOVER
1275A
MONITOR
SPEAKER
1275A
MONITOR
SPEAKER
7
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SPECIFICATIONS
MODEL
115sA
118sA
PART NUMBER
071-1150-000
071-1180-000
MAXIMUM dB SPL
OUTPUT LONG TERM
124 dB
125 dB
DRIVER
15" (38 cm) woofer
2.5" (6 cm) voice coil
18" (46 cm) woofer
2.5" (6 cm) voice coil
CABINET
3/4" (1.9 cm)
3/4" (1.9 cm)
Oriented Strand Board
Oriented Strand Board
FREQUENCY
RESPONSE
+/- 3 dB:
48 Hz to 110 Hz
42 Hz to 110 Hz
AXIAL
SENSITIVITY
SPL @ 1W/1m:
1/2 Space Efficiency:
99 dB
5.4 %
99 dB
5.4 %
POWER
HANDLING
E.I.A. RS 426-A Noise: 350W
450W
900W
1800W
8Ω
Program:
700W
1400W
8Ω
Peak:
Nominal Impedance:
DIMENSIONS
Weight
Height
Width
Depth
65 lbs. (29.5 kg)
87 lbs. (39.5 kg)
26"
(66.0 cm)
32"
(81.3 cm)
24.75" (62.8 cm)
24.25" (61.6 cm)
24.75" (62.8 cm)
24.75" (62.8 cm)
Product specifications are subject to change without notice.
A PRODUCT OF:
FENDER MUSICAL INSTRUMENTS CORP.
CORONA, CA 91720 USA
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