Niles Audio Speaker 15SW User Manual

I n s t a l l a t i o n G u i d e  
Pro15SW  
P r o f e s s i o n a l Q u a l i t y , C a b i n e t ,  
H i g h - P o w e r H o m e T h e a t e r S u b w o o f e r  
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INTRODUCTION  
The Niles StageFront Pro15SW 15-inch High-Power Home Theater Powered  
Subwoofer is expressly designed for superior sonic quality in home theater and  
multi-channel music bass reinforcement applications. It employs advanced  
technology components that extract powerful bass in recorded music or the  
thunderous deep sound effects in a movie. The Pro15SW is the perfect choice  
wherever enhanced bass sound is the most important consideration.  
Pro15SW  
Stock Number  
FG01138  
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IMPORTANT SAFETY INSTRUCTIONS  
The lightning flash with arrowhead symbol, within an  
CAUTION  
equilateral triangle, is intended to alert the user to the  
presence of uninsulated dangerous voltage within the  
products enclosure that may be of sufficient magnitude to  
constitute a risk of electric shock to persons.  
CAUTION: TO REDUCE THE  
RISKOFELECTRICAL SHOCK,  
DO NOT REMOVE COVER.  
NO USER SERVICEABLE  
PARTS I N S I D E . R E F E R  
SERVICING TO QUALIFIED  
SERVICE PERSONNEL.  
The exclamation point within an equivalent triangle is intended  
to alert the user to the presence of important operating  
and maintenance (servicing) instructions in the literature  
accompanying the appliance.  
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture  
1. Read these instructions.  
2. Keep these instructions  
3. Heed all warnings.  
4. Follow all instructions.  
5. Do not use this apparatus near water.  
6. Clean only with a dry cloth.  
7. Do not block any ventilation openings. Install in according with the manufacturers  
instructions.  
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other  
apparatus (including amplifiers) that produce heat.  
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug  
has two blades with one wider than the other. A grounding type plug has two blades and  
a third grounding prong. The wide blade or the third prong are provided for your safety. If  
the provided plug does not fit into your outlet, consult an electrician for replacement of the  
obsolete outlet.  
10. Protect the power cord from being walked on or pinched  
particularly at plug, convenience receptacles, and the point where  
they exit from the apparatus.  
11. Only use attachments/accessories specified by the manufacturer.  
12. Use only with a cart, stand, tripod, bracket, or table specified by the  
manufacturer, or sold with the apparatus. When a cart is used, use  
caution when moving the cart/apparatus combination to avoid injury  
from tip-over.  
13. Unplug this apparatus during lighting storms or when unused for long periods of time.  
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus  
has been damaged in any way, such as power-supply cord or plug is damaged, liquid has  
been spilled or objects have fallen into the apparatus, the apparatus has been exposed to  
rain or moisture, does not operate normally, or has been dropped.  
15. Do not expose this equipment to dripping or splashing and ensure that no objects filled  
with liquids, such as vases, are placed on the equipment.  
16. To completely disconnect this equipment from the AC mains, disconnect the power supply  
cord plug from the AC receptacle.  
17. The main plug of the power supply cord shall remain readily operable.  
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FEATURES AND BENEFITS  
15-INCH INTERLACED CARBON-FIBER WOOFER WITH CAST ALUMINUM  
FRAME AND BUTYL-RUBBER SURROUND  
The Pro15SWs long-throw front-firing 15” woofer creates deep authoritative bass at  
sustained output levels.  
1,000 WATT ADVANCED DIGITAL AMPLIFIER  
Niles uses the latest digital technology so bass response will be extremely fast and  
absolutely accurate, no matter what audio material is being reproduced. The efficient  
design means little heat is generated.  
SOPHISTICATED MOTOR ASSEMBLY WITH HIGH BL MAGNET, EXTENDED POLE  
PIECE AND MACHINED TOP PLATE  
The Pro15SWs woofer features a sophisticated motor assembly that combines  
a high BL magnet and extended pole piece for deep bass response and clean  
bass tones. Moreover, the machined top plate provides extra rigidity to the entire  
assembly for consistent performance over prolonged use.  
SEPARATE BASS LEVEL CONTROLS AND TRIGGER INPUT FOR MOVIES  
OR MUSIC  
Separate bass level controls for music and movies triggered via a 12-volt input  
enable customized settings for automated DVD-Audio or Dolby® surround  
sound effects.  
GOLD PLATED STEREO RCA LINE-LEVEL AND LOUDSPEAKER-LEVEL INPUTS  
The Pro15SW features stereo RCA line-level inputs as well as a non-filtered RCA  
LFE (Low Frequency Effects) line-level input for a direct connection from a 5.1 or 7.1  
home theater sound processor. The Pro15SW also has gold-plated loudspeaker-  
level five-way binding-post inputs for the best quality connection possible.  
FRONT MOUNTED ADJUSTABLE LEVEL, LOW-PASS, HIGH-PASS AND  
PHASE CONTROLS  
Adjustment after installation has never been easier. Easily accessible front controls  
for level, low-pass filter, high-pass filter and a fully adjustable phase control (0-to-180  
degree) ensure optimal system integration, no matter where the Pro15SW is placed  
in the room.  
(CONTINUED ON NEXT PAGE)  
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MUSIC SENSE AND 12 VOLT TRIGGER CIRCUITRY FOR AUTOMATIC  
POWER ON/OFF  
When enabled, the Pro15SW will turn on when an audio signal is present and  
remains on any of the audio inputs. The 12-volt System trigger input functions  
in the same fashion. Power will turn off when no signal is present after a delay of  
approximately 15 minutes for Music Sense or for the 12-volt trigger.  
CASCADE LINE-LEVEL OUTPUTS ALLOW EASY CONNECTION OF  
ADDITIONAL WOOFERS  
For larger rooms, multiple Pro15SWs can be easily added to a home theater  
system using the line-level audio outputs to feed additional Pro15SW audio inputs.  
These outputs may also be used to return signals to processors or receivers.  
CROSS BRACED, FRONT-PORTED CABINET WITH REMOVABLE GRILLE  
The Pro15SW is housed in an attractive cross-braced polished black cabinet that  
provides the ultimate in rigidity and sound clarity. The charcoal sculpted aluminum  
grille is easily removable to enable simple installation.  
GOLD PLATED STEREO LOUDSPEAKER-LEVEL OUTPUTS  
The Pro15SW features gold-plated loudspeaker-level five-way binding-post  
outputs for the best quality connection possible. These have a fixed high-pass  
filter of 100Hz at 6dB per octave.  
ADJUSTABLE ISOLATING FEET  
The Pro15SW is equipped with four adjustable spike feet (pre-installed with large  
slip-on rubber covers) that couple the woofer cabinet to a hard floor for better  
performance. For carpet placement, the rubber covers can be removed to use  
the spikes.  
DOLBY® DIGITAL READY  
The Pro15SW is specifically designed for outstanding Home Theater sound. This  
model exceeds the specifications set forth by Dolby Laboratories for the accurate  
reproduction of Dolby Digital-Encoded Sources.  
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INSTALLATION CONSIDERATIONS  
RCA CABLE  
For line-level connections, use high-quality RCA cables that feature low impedance,  
double shielding and gold-plated connectors (see CONTROLS AND CONNECTORS on  
page 7). Consult your local Niles dealer for their recommendations.  
LOUDSPEAKER WIRE  
Use 2-conductor loudspeaker wire for loudspeaker-level connections to the  
Pro15SW and satellite loudspeakers (see CONTROLS AND CONNECTORS on page 7).  
For these applications, we recommend using 16-gauge wire. For wiring runs longer  
than 80 feet, we recommend 14-gauge wire. The Pro15SWs gold-plated, five-way,  
loudspeaker-level binding posts will accommodate up to 12-gauge wire directly.  
Larger sizes can be accommodated via pin connectors.  
RUNNING WIRES IN WALLS OR CEILINGS  
When running wire inside walls or ceilings, use special jacketed cable (CL-2 or CL-3)  
to protect the wire and to meet local electrical and fire codes. In some areas, conduit  
is also required. For a trouble-free installation, low-voltage wire such as loudspeaker  
wire must be run in accordance with the National Electrical Code and any applicable  
provisions of the local building code. If you are unsure of the correct installation  
techniques, wire jacket, or type of conduit to use, consult a professional audio/video  
installer, building contractor, or the local building and inspection department.  
PRO15SW PLACEMENT  
The StageFront Pro15SW Powered Subwoofer is expressly designed for use in  
home theater and multi-channel bass reinforcement applications. For home theater  
front, center or rear-channel applications, we recommend using StageFront Pro  
or In-Wall models. Models ending in “LCR” are intended primarily for front channel  
left/center/right placement or wherever a monopole design is required. Models that  
end in “FX” are designed for special effect placement. StageFront Home Theater  
Solutions™ Loudspeakers are the perfect choice wherever quality of sound is the  
most important consideration.  
THE BOUNDARY EFFECT  
Placing a Pro15SW in a corner can powerfully affect the way a listener perceives  
bass response. Known as the boundary effect, a placement close to a corner-wall  
boundary will emphasize certain bass frequencies, while canceling others. This  
effect can make the Pro15SW sound excessively boomy and inaccurate to some  
listeners, while to others it just seems like more bass sound. Some listeners may  
prefer to place the subwoofer (or subwoofers) near the same location as the main  
left/right channel loudspeakers.  
(CONTINUED ON NEXT PAGE)  
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INSTALLATION CONSIDERATIONS (CONTINUED)  
Because all rooms are unique and people have different expectations with regard  
to audio quality, some experimentation may be necessary with regard to placement  
and control settings.  
Figure 1. A standard placement with the subwoofer right of center.  
Figure 2. Placed in the front right of a home theater room.  
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CONTROLS AND CONNECTORS  
OPERATION CONTROLS  
The Pro15SWs operation controls are located on the units front panel, as shown  
in Figure 3. They function as follows:  
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Figure 3. The Pro15SW’s front panel contains the subwoofer’s operation controls.  
1. MUSIC/MOVIE LEVEL and SETUP Controls: While listening to music, move SETUP  
switch to MUSIC and adjust the MUSIC LEVEL control to set the desired bass  
level. Similarly, while listening to a movie, move SETUP to MOVIE and adjust the  
MOVIE LEVEL control to set the desired bass level. Each level control includes an  
accompanying LED indicator to identify which one is currently active as triggered by  
your home theater sound processor or receiver (see Figure 3 on page 7). Also see  
SETTING UP THE PRO15SW on page 15.  
2. LOW PASS Frequency Control: Use this control to set the subwoofer’s low-pass  
crossover frequency from 40 to 120 Hz. For more details, see SETTING UP PRO15SW  
on page 15.  
3. PHASE Control: Use this control to set the subwoofer’s phase response from 0 to  
180°. See SETTING UP THE PRO15SW on page 15.  
4. HIGH PASS Frequency adjustment with ON/OFF switch: Use the HIGH PASS control  
to set the high-pass crossover frequency from 60 to 160 Hz (according to your  
loudspeaker manufacturer’s recommendation) to drive a satellite loudspeaker system  
amplifier from the line-level AUDIO OUT jacks (also see Figure 3 on page 7.) To  
activate the filtered signals, set the ON/OFF switch to ON.  
5. The MODE indicator (on the far right) shows which power mode is active, as set by  
the (Auto) POWER switch (see Figure 3 on page 7): Green is ON; Red is STANDBY.  
(CONTINUED ON NEXT PAGE)  
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CONTROLS AND CONNECTORS (CONTINUED)  
SIGNAL CONNECTORS AND POWER CONTROLS  
The Pro15SWs signal connectors and power controls are located on the units  
rear panel, as shown in Figure 4. They function as follows:  
NOTE: SEE APPLICATIONS STARTING ON PAGE 10 FOR DETAILED WIRING CONNECTIONS FOR  
YOUR APPLICATION.  
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Figure 4. The Pro15SW’s rear panel contains the subwoofer’s signal connectors  
and power controls.  
1. POWER TRIGGER: For external power triggering, use a mini (3.5 mm) plug to connect  
the IN jack to a power on/off trigger signal from a home theater sound processor or  
receiver. Power on is 3 to 30 Vdc (or Vac). Tip is positive. Power off is 0 Vdc (or Vac).  
Use the OUT jack to pass the POWER TRIGGER signal to another Pro15SW. Voltage  
will be present on the output jack whenever the amplifier is active. This is indicated  
by the green LED on the front panel.  
NOTE: FOR A HOME THEATER RECEIVER NOT EQUIPPED WITH A POWER TRIGGER OUTPUT,  
CONSIDER USING A NILES 12-VOLT POWER SUPPLY AS A TRIGGER SIGNAL THAT IS  
ACTIVATED VIA A SWITCHED AC OUTLET ON THE RECEIVER. SEE FIGURE 9 ON PAGE 14  
FOR CONNECTION DETAILS.  
2. MOVIE MODE TRIGGER: For external movie/music mode triggering, use a mini (3.5  
mm) plug to connect the IN jack to a movie trigger signal from a home theater  
surround processor or receiver. The 3 to 30 Vdc (or Vac) signal will set the Pro15SW  
to movie mode, while a 0 Vdc (or Vac) signal will keep it in the music mode. Again, tip  
is positive. Use the OUT jack to pass the movie trigger signal to another Pro15SW.  
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NOTE: ON THE FRONT PANEL IF SETUP (SEE FIGURE 3 ON PAGE 7) SWITCH IS SET TO  
MUSIC, A 3 TO 30 VDC (OR VAC) TRIGGER SIGNAL WILL CHANGE OPERATION OVER TO THE  
MOVIE MODE. IF THE SETUP SWITCH IS ALREADY SET TO MOVIE, A TRIGGER SIGNAL HAS NO  
EFFECT, SINCE THE MODE IS ALREADY SET TO MOVIE.  
NOTE: FOR A HOME THEATER RECEIVER NOT EQUIPPED WITH A MOVIE/MUSIC TRIGGER  
OUTPUT, CONSIDER ADDING A NILES HOME THEATER AUTOMATION SYSTEM OR A NILES  
MAIN SYSTEM UNIT. SEE FIGURE 9 ON PAGE 14 FOR CONNECTION DETAILS.  
3. (Auto) POWER Switch: Use the ALWAYS ON mode to leave the Pro15SW always on.  
Use the MUSIC/VOLTAGE SENSE mode to automatically power on the Pro15SW when  
an audio signal or trigger voltage is present. When either signal is absent for 15  
minutes, the Pro15SW will enter the standby mode.  
NOTE: THE ALWAYS ON AND MUSIC/VOLTAGE SENSE SETTINGS ARE ONLY ACTIVE AFTER  
(MASTER) POWER IS SET TO ON (SEE #8 BELOW).  
4. AUDIO IN jacks: Use these gold-plated line-level RCA input jacks to connect line-  
level stereo and LFE audio signals from a home theater Processor or receiver. The  
LFE (Low Frequency Effects) input is unfiltered.  
5. AUDIO OUT jacks: Use these gold-plated line-level RCA output jacks to connect  
line-level stereo and LFE audio signals to drive another Pro15SW. The LFE output is  
unfiltered, but the L/R output signals are routed through the variable (60 to 160 Hz)  
HIGH-PASS filter, and the response will be contoured according to filter settings (see  
Figure 4 on page 8).  
6. Loudspeaker IN Binding Posts: As an alternative to the AUDIO IN jacks, use the  
loudspeaker-level, gold-plated, five-way binding posts to connect loudspeaker-level,  
stereo audio signals from a home theater, receiver or whole-home audio system.  
For additional connection details, see FINISHING THE INSTALLATION on  
page 15.  
NOTE: DO NOT USE THESE CONNECTIONS WHEN USING THE LINE-LEVEL INPUTS.  
7. Loudspeaker OUT Binding Posts: As an alternative to the AUDIO OUT jacks, use the  
loudspeaker-level, gold-plated, five-way binding posts to connect loudspeaker-level,  
stereo audio signals to drive your front L/R satellite loudspeakers. These signals are  
routed through a fixed, 100 Hz (6 dB per octave) high-pass filter and the response  
will be contoured accordingly.  
NOTE: THERE WILL ONLY BE A SIGNAL ON THESE CONNECTIONS IF THE LOUDSPEAKER IN  
BINDING POSTS WERE USED.  
8. (Master) POWER Switch: Use this control to power on/off the PRO15SW.  
9. Detachable IEC Power Cord and Built-In Fuse. If needed, replace the fuse with same  
type, as follows:  
For 115/120 Vac @ 60 Hz, use a T7AL 250V - 230V fast-blow fuse.  
For 230/240 Vac @ 50 Hz, use a T15AL 250V - 115V fuse.  
(CONTINUED ON NEXT PAGE)  
9
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CONTROLS AND CONNECTORS (CONTINUED)  
APPLICATIONS  
The StageFront Pro15SW 15-inch High-Power Home Theater Powered Subwoofer  
is very flexible and can be configured for use in various applications with  
associated external audio components, as shown in Figures 5 through 9. For  
other Pro15SW applications, consult your local Niles dealer for help in configuring  
your home theater system  
PRO15SW IN A TYPICAL THEATER INSTALLATION  
Set switch to ON and adjust FREQUENCY Position SET UP switch  
Adjust PHASE to  
integrate subwoofer  
sound with system.  
Set LOW PASS to closely  
match HIGH PASS  
FREQUENCY control.  
NOTE: Control does not  
function when using LFE input.  
to match low frequency cutoff of your  
satellite loudspeakers.  
to the mode you wish to  
adjust MUSIC OR MOVIE  
and adjust level controls  
per instructions.  
Alternate configuration:  
Set switch to OFF to send full range  
audio to L/R AUDIO OUT jacks.  
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LFE Output  
Pro15SW Back  
Optional  
Refer to Trigger Wiring section  
Left & Right line  
level output  
LFE  
L
R
Home  
Theater  
Receiver  
Do NOT use these when  
using the AUDIO IN ports  
Pro2770LCR  
Pro2770LCR  
Pro2770LCR  
Loudspeaker level  
Pro770Fx  
Pro770Fx  
Loudspeaker level  
Figure 5. Line level connections  
10  
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PRO15SW AND LOUDSPEAKER-LEVEL CONNECTION TO SATELLITE LOUDSPEAKERS  
Set switch to ON and adjust FREQUENCY Position SET UP switch  
Adjust PHASE to  
integrate subwoofer  
sound with system.  
Set LOW PASS to closely  
match HIGH PASS  
FREQUENCY control.  
NOTE: Control does not  
function when using LFE input.  
to match low frequency cutoff of your  
satellite loudspeakers.  
to the mode you wish to  
adjust MUSIC OR MOVIE  
and adjust level controls  
per instructions.  
Alternate configuration:  
Set switch to OFF to send full range  
audio to L/R AUDIO OUT jacks.  
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Refer to Trigger Wiring section  
Do NOT use these when using  
the LOUDSPEAKER ports  
Left & Right loudspeaker outputs  
Home Theater  
Receiver  
Pro2770LCR  
Pro2770LCR  
Figure 6. Connecting satellite loudspeakers  
11  
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TWO PRO15SWS AND SATELLITE LOUDSPEAKER SYSTEM  
Set switch to ON and adjust FREQUENCY Position SET UP switch  
Adjust PHASE to  
integrate subwoofer  
sound with system.  
Set LOW PASS to closely  
match HIGH PASS  
FREQUENCY control.  
NOTE: Control does not  
function when using LFE input.  
to match low frequency cutoff of your  
satellite loudspeakers.  
to the mode you wish to  
adjust MUSIC OR MOVIE  
and adjust level controls  
per instructions.  
Alternate configuration:  
Set switch to OFF to send full range  
audio to L/R AUDIO OUT jacks.  
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NOTE: ADJUST SETTING ON BOTH PRO15SW SUBS TO BE THE SAME  
Home Theater  
Receiver  
L
R
Trigger output  
Line Level outputs  
Pro15SW Back  
Pro15SW Back  
Line Level inputs  
L
R
Niles SI-2125  
Amplifier  
Loudspeaker level outputs  
Optionally, you may wire  
in a similar fashion using  
the loudspeaker level  
inputs and outputs.  
Pro2770LCR  
Pro2770LCR  
Figure 7. Stereo/dual subwoofer application  
12  
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PRO15SW AND LOUDSPEAKER LEVEL CONNECTION TO SATELLITE  
LOUDSPEAKERS  
Position SET UP switch Control not Set LOW PASS to  
Adjust PHASE to  
integrate subwoofer  
sound with system.  
to the mode you wish to  
adjust MUSIC OR MOVIE  
and adjust level controls  
per instructions.  
used  
about 100Hz.  
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Refer to Trigger Wiring section  
Do NOT use these port when using  
the Loudspeaker ports  
Loudspeaker level outputs  
R
L
Niles SI-2125  
Pro15SW Back  
Left satellite  
loudspeaker  
Right satellite  
loudspeaker  
Figure 8. Loudspeaker level connections  
13  
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PRO15SW AND SATELLITE LOUDSPEAKER SYSTEM WITH EXTERNAL POWER  
AND MODE TRIGGERS  
Optional  
When using the system trigger,  
set this switch to MUSIC/  
VOLTAGE SENSE  
Trigger Input  
Optional Second Subwoofer  
Trigger Outputs  
Home Theater  
Receiver  
Pro15SW Back  
Refer to system audio  
wiring sections.  
To other Home theater  
equipment that is to be  
triggered on when Movie  
mode is active.  
12V DC  
Trigger  
input  
Figure 9. Trigger connections  
14  
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FINISHING THE INSTALLATION  
ADJUSTING THE FEET  
The Pro15SW is equipped with four adjustable spike feet that include large slip-on  
rubber covers. At the final placement site adjust the feet/spikes as follows:  
On hard floors (e.g., wood, tile, etc.), check the Pro15SW’s stability and if needed,  
adjust the rubber feet one at a time until the cabinet is level.  
On carpeted floors, tilt the Pro15SW up and remove each rubber cover. Check the  
Pro15SW’s stability and if needed, adjust the spikes one at a time until the cabinet  
is level.  
CONNECTING THE PRO15SW  
Connect the Pro15SW according to your application (see APPLICATIONS on  
page 10). Use high-quality RCA cables for all line-level connections (see CONTROLS  
AND CONNECTORS on page 7). For applications with loudspeaker-level connections,  
perform the following steps:  
1. At each Pro15SW loudspeaker-level connection, separate the loudspeaker wire so  
that at least 2 inches of each conductor are free. Strip away 1/4 inch of insulation  
from each loudspeaker wire. Using correct polarity, connect the appropriate  
conductor to each five-way binding post.  
NOTE: OBSERVE CORRECT POLARITY: POSITIVE (+) GOES TO THE RED POST AND NEGATIVE (–) GOES  
TO THE BLACK POST. IF YOU ARE UNSURE OF WIRE POLARITY, SEE THE SECTION, CHECKING PHASE  
ON THE SATELLITE LOUDSPEAKERS, ON PAGE 16.  
2. Connect the other end of the loudspeaker wires to the home theater receiver (or  
amplifier) and satellite loudspeakers in the same way.  
3. Turn on the home theater receiver and calibrate all loudspeakers in the system  
according to the receiver (or surround processor) manufacturer’s instructions.  
SETTING UP THE PRO15SW  
After making all the connections and calibrating the loudspeakers, set up the  
Pro15SW by performing the following steps (see CONTROLS AND CONNECTORS on  
page 7 for information on control operation):  
1. On the rear panel, set the (Master) POWER switch to ON. Depending on your  
application set the (Auto) POWER switch to ALWAYS ON or MUSIC/VOLTAGE SENSE.  
2. On the front panel, set the following controls (and switches) to their initial positions:  
(CONTINUED ON NEXT PAGE)  
15  
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HIGH PASS FREQUENCY control (if applicable) = 160 Hz (or value  
recommended by satellite loudspeaker manufacturer)  
HIGH PASS ON/OFF switch = ON  
LEVEL SETUP switch = MUSIC  
MUSIC LEVEL control = 5  
MOVIE LEVEL control = 5  
LOW PASS FREQUENCY control = 120 Hz  
PHASE control = 0°  
3. While playing a favorite music track, adjust your system’s volume control to a  
comfortable level and listen to the bass level at your favorite listening position (e.g.,  
couch). Next, move the LEVEL SETUP switch to MOVIE and play a favorite movie  
chapter. Listen to the bass level, and, if desired, adjust the MOVIE LEVEL control to  
change the movie bass level to taste.  
4. Move the LEVEL SETUP switch back to MUSIC and play the music track again. If  
desired, adjust the MUSIC LEVEL control to taste.  
5. Continue listening to your favorite music and movie sources using the appropriate  
setting for LEVEL SETUP. If you want a more solid-sounding bass (with less  
overtones), try moving the LOW PASS FREQUENCY control toward the lower  
frequencies. Experiment with different frequency settings until you find one that  
sounds best. If needed, readjust the MOVIE LEVEL and MUSIC LEVEL controls (see  
steps 3 and 4 above).  
6. Continue listening to your favorite music and movie sources using the appropriate  
setting for LEVEL SETUP. Try experimenting with the PHASE control until you find its  
optimum setting. Depending on the Pro15SW’s placement, the bass should sound  
more pronounced when the phase has been optimized.  
CHECKING PHASE ON THE SATELLITE LOUDSPEAKERS  
Loudspeaker wire has two conductors. On applications with satellite loudspeakers,  
one conductor is attached to a components negative (–) terminal, while the other is  
attached to a components positive (+) terminal. Usually, the wire is marked for your  
convenience, but the marking can be done in the following different ways:  
Stripe on one wire  
Ribbed area you can feel on one conductor  
Different colors of metal wire on each conductor  
Fabric strand or string wound into one of the conductors  
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Of course, there are some wires that appear completely identical. So be careful,  
or you might make a connection mistake. If you do, one satellite loudspeaker  
will be playing “out-of-phase” with the other loudspeaker. A pair of out-of-phase  
loudspeakers works against each other, and the sound of the two playing together  
will be lacking in bass and sound “phasey.” If you suspect the sound is not right,  
and you cannot see any markings on the wire, try this simple test:  
1. Stand halfway between the satellite loudspeakers.  
2. Play some music with the amplifier or receiver set to Mono.  
3. Listen to the richness of the bass and the loudness of the sound.  
4. Turn off the amplifier and reverse the connections on one (Left or Right) of the  
Pro15SW Loudspeaker OUT binding post pairs.  
5. Repeat the listening test with the same volume control setting. When the sound has  
a richer bass and is slightly louder, the satellite loudspeakers are working together  
or “in-phase.”  
INSTALLING AND REMOVING THE GRILLE  
To install the grille, start with one corner and gently press the grille frame around  
the Pro15SW’s edge, pushing it in at each of the four recessed holes. When properly  
installed, the grille will be approximately 1 inch away from the cabinet.  
To remove the grille, start with one corner and gently pull the grille frame away from  
the Pro15SW’s edge at each of the four recessed holes. Store the grille in a safe  
place for future use.  
CLEANING  
Use a dampened soft cloth or paper towel to clean the cabinet and grille.  
17  
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SPECIFICATIONS  
Driver Complement  
15-inch Interlaced Carbon-Fiber Woofer with Cast Aluminum Frame and Butyl-Rubber Surround  
Amplifier Power  
1,000 Watts (rms) at less than 1% distortion  
Frequency Response  
25 to 125 Hz, +/- 3 dB  
Power Requirements  
120 Vac, 60Hz or 220-240 Vac, 50-60Hz  
Overall Dimensions  
17-1/2” W x 25” H x 24-3/4” D*  
*Includes grille Depth is 23-3/8” without grille  
Weight  
108 lbs  
Certification  
Meets FCC Part 15 and ICES-003, Class B for USA and Canada  
CSA Listed and tested under UL/EN60065 standard  
CE compliant for the EU  
C-Tick compliant for Australia and New Zealand  
18  
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FCC INSTRUCTIONS TO THE USER  
This equipment has been tested and found to comply with the limits for a class  
B digital device, pursuant to part 15 of the FCC Rules. These limits are designed  
to provide reasonable protection against harmful interference in a residential  
installation. This equipment generates, uses and can radiate radio frequency  
energy and if not installed and used in accordance with the instructions, may cause  
harmful interference to radio communications. However, there is no guarantee that  
interference will not occur in a particular installation.  
If this equipment does cause harmful interference to radio or television  
reception, which can be determined by turning the equipment off and on, the  
user is encouraged to try to correct the interference by one or more of the  
following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to which the  
receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
This equipment has been verified to comply with the limits for a class B computing  
device, pursuant to FCC Rules. In order to maintain compliance with FCC regulations,  
shielded cables must be used with this equipment. Operation with non-approved  
equipment or unshielded cables is likely to result in interference to radio and TV  
reception. The user is cautioned that changes and modifications made to the  
equipment without the approval of manufacturer could void the users authority to  
operate this equipment.  
19  
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LIMITED WARRANTY  
NILES AUDIO CORPORATION (“NILES”) WARRANTS ITS PASSIVE LOUDSPEAKER PRODUCTS (THOSE NOT REQUIRING  
AC OR BATTERY POWER) TO THE ORIGINAL PURCHASER TO BE FREE OF MANUFACTURING DEFECTS IN MATERIAL  
AND WORKMANSHIP FOR A PERIOD OF FIVE YEARS FROM DATE OF PURCHASE.  
THIS WARRANTY IS SUBJECT TO THE FOLLOWING ADDITIONAL CONDITIONS AND LIMITATIONS. THE WARRANTY  
IS VOID AND INAPPLICABLE IF NILES DEEMS THAT THE PRODUCT HAS BEEN USED OR HANDLED OTHER THAN IN  
ACCORDANCE WITH THE INSTRUCTIONS PROVIDED BY THE MANUFACTURER, INCLUDING BUT NOT LIMITED TO  
DAMAGE CAUSED BY ACCIDENT, MISHANDLING, IMPROPER INSTALLATION, ABUSE, NEGLIGENCE, OR NORMAL  
WEAR AND TEAR, OR ANY DEFECT CAUSED BY REPAIR TO THE PRODUCT BY ANYONE OTHER THAN NILES OR AN  
AUTHORIZED NILES DEALER.  
TO OBTAIN WARRANTY SERVICE, TAKE THE UNIT TO THE NEAREST AUTHORIZED NILES DEALER, WHO WILL TEST  
THE PRODUCT AND IF NECESSARY, FORWARD IT TO NILES FOR SERVICE. IF THERE ARE NO AUTHORIZED NILES  
DEALERS IN YOUR AREA, YOU MUST WRITE TO NILES AND INCLUDE YOUR NAME, MODEL AND SERIAL NUMBER OF  
YOUR UNIT, ALONG WITH A BRIEF DESCRIPTION OF THE PROBLEM. A FACTORY RETURN AUTHORIZATION NUMBER  
WILL BE SENT TO YOU. DO NOT RETURN ANY UNIT WITHOUT FIRST RECEIVING WRITTEN AUTHORIZATION AND  
SHIPPING INSTRUCTIONS FROM NILES.  
IF THE ABOVE CONDITIONS ARE MET, THE PURCHASER’S SOLE REMEDY SHALL BE TO RETURN THE PRODUCT TO  
NILES, IN WHICH CASE NILES WILL REPAIR OR REPLACE, AT ITS SOLE OPTION, THE DEFECTIVE PRODUCT WITHOUT  
CHARGE FOR PARTS OR LABOR. NILES WILL RETURN A UNIT REPAIRED OR REPLACED UNDER WARRANTY BY  
SHIPPING SAME BY ITS USUAL SHIPPING METHOD FROM THE FACTORY (ONLY) AT ITS EXPENSE WITHIN THE UNITED  
STATES OF AMERICA. THERE ARE NO OTHER WARRANTIES, INCLUDING WITHOUT LIMITATION, EITHER EXPRESS  
OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO  
THE PRODUCT.  
REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE CONSUMER/  
PURCHASER. NILES SHALL NOT BE RESPONSIBLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES EXCEPT  
TO THE EXTENT PROVIDED (OR PROHIBITED) BY APPLICABLE LAW.  
SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO  
THE ABOVE LIMITATION MAY NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU  
MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.  
FOR THE NAME OF YOUR NEAREST AUTHORIZED NILES DEALER CONTACT:  
NILES AUDIO CORPORATION, P.O. BOX 160818, MIAMI, FLORIDA 33116-0818.  
Please fill in your product information and retain for your records.  
Model_____________________ Serial No._________________ Purchase Date________  
20  
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WARRANTY REGISTRATION CARD  
Model Purchased_________________________________________________________  
Serial Number ___________________________________________________________  
Date Purchased (month/day/year)_____________________________________________  
Dealer Name and Location __________________________________________________  
______________________________________________________________________  
Dr.  
Miss  
Mr.  
Mrs.  
Ms.  
Name__________________________________________________________________  
Address________________________________________________________________  
______________________________________________________________________  
City_______________________________________State________________Zip______  
Telephone (  
)_______________________email______________________________  
Please take a moment to fill out our warranty registration card. The information helps us to get to  
know you better and develop the products you want  
Age:  
Musical tastes:  
(Please check  
all that apply)  
What magazines  
do you read?  
Do you . . . ?  
Under 25  
Own a House. If yes,  
25-34  
1. ________________  
how many square feet?  
35-44  
Alternative  
2. ________________  
3. ________________  
45-54  
55 & over  
Classical  
Country  
Own a Town House/  
Jazz  
Condominium/Co-op  
Income:  
New Age  
Rent an Apartment  
Rent a House  
Who will install  
the product?  
Under $44,999  
Popular  
$45,000-$59,999  
$60,000-$74,999  
$75,000-$99,999  
$99,999-$150,000  
$150,000-$99,999  
$99,999-$200,000  
Over $200,000  
R&B  
Custom Installer  
Rock  
Are you interested in  
receiving literature on  
other Niles products?  
Electrician  
Other _____________  
Friend  
Myself  
How did you hear  
about Niles?  
Yes  
No  
Which factor(s) influenced  
the purchase of your Niles  
product? (Please check  
all that apply)  
Architect/Developer  
Are there products/  
capabilities that you would  
like to see introduced?  
Custom Installer  
Occupation:  
Direct Mail  
Arts/Entertainment  
Friend/Family  
Ease of Use  
Business Owner  
In-Store Display  
Price/Value  
Engineer  
Interior Designer  
Product Features  
Finance/Accounting  
Magazine Ad  
Quality/Durability  
General Office  
Mail-Order Catalog  
Reputation  
Management  
Newspaper Ad  
Style/Appearance  
Professional  
Product Brochure  
Warranty  
Sales/Marketing  
Product Review  
Student  
Retail Salesperson  
Tradesperson  
Internet  
Other  
21  
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NILES AUDIO CORPORATION  
12331 SW 130 Street, Miami, FL 33186 1-800-BUY-HIFI – www.nilesaudio.com  
©2007 Niles Audio Corporation. All Rights Reserved. Niles and the Niles logo are registered trademarks of Niles Audio  
Corporation. Stagefront Home Theater Solutions is a trademark of Niles Audio Corporation.  
All other trademarks are the property of their respective owners. DS00544A  
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