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Niles Audio SWA-500M - page 1
INST ALLA TION GUIDE S W A - 5 00 M FOR USE WITH NILES P ASSIVE SUBWOOFERS SUBWOOFER AMPLIFIER ...
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Niles Audio SWA-500M - page 2
Thank you for purchasing the Niles SWA-500M . The SWA-500M is a Class D mono amplifier designed to power up to two passive (non-powered) subwoofers. Like all Niles products, the SWA-500M is built to the highest standards of quality and reliability , and with proper installation and operation, you’ll enjo y years of trouble-free use. Niles is one ...
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Niles Audio SWA-500M - page 3
Figure 1. Niles SWA-500M high-power subwoofer amplifier . NILES AUDIO CORPORA TION – 1-800-BUY -HIFI INTRODUCTION Bass or low frequency effect (LFE) is a critical part of a well designed audio/video system. The Niles SWA-500M is a highly efficient Class D amplifier designed specifically for up to two passive (non-powered) subwoofers. When com ...
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Niles Audio SWA-500M - page 4
2 CA UTIO N : TO RED UCE THE RISK OF ELE CTRICAL SHOC K, DO NO T R EM OV E COVER. NO USER SERVICEABLE P A R T S INSIDE. REFER S E R V I C I N G T O Q U A L I F I E D SERVICE PERSONNEL. The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the p ...
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Niles Audio SWA-500M - page 5
NILES AUDIO CORPORA TION – 1-800-BUY -HIFI FEA TURES AND BENEFITS MAXIMUM SUBWOOFER PERFORMANCE The SWA-500M Class D amplifier is designed specifically for bass reinforcement for passive (non- powered) subwoofers. The SW A-500M provides 500 W atts Continuous Output Power (<1% THD +N into 4 ohm). Because the SWA-500M’ s po wer output is ded ...
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Niles Audio SWA-500M - page 6
4 Make sure that there is a minimum of 3-1/2" of free air space above the amplifier for proper ventilation. Allow a minimum of 3-1/2" of depth behind unit to accommodate cables and connectors. If mounting the SWA-500M inside a cabinet, be sure the amp has proper ventilation. Consider using the Niles FM-1R or FM-1 system cooling module. F ...
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Niles Audio SWA-500M - page 7
Figure 4. Install the included rack ears as shown using a #2 Phillips screwdriver NILES AUDIO CORPORA TION – 1-800-BUY -HIFI 5 RACK MOUNTING THE SW A-500M 1. Before installing the rac k ears, remove the scr ews attached to the sides of the unit. Install the included rack ears as shown in Figure 4 using a #2 Phillips scr ewdriver . Do not use any ...
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Niles Audio SWA-500M - page 8
Figure 5. Connecting loudspeaker to SWA-500M 6 CONNECTING THE SW A-500M CAUTION: BEFORE MAKING ANY CONNECTIONS, BE SURE TO TURN OFF ALL COMPONENTS IN THE SYSTEM, INCLUDING LOUDSPEAKERS. CONNECTION TO AUDIO/VIDEO SOURCES The SWA-500M connects to audio/video sources via RCA audio cables (also called line level). These inputs accept audio signals from ...
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Niles Audio SWA-500M - page 9
Figure 6. Front P anel control on the SWA-500M NILES AUDIO CORPORA TION – 1-800-BUY -HIFI 7 (CONTINUED ON NEXT P AGE) RUNNING WIRES IN W ALLS 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. F ...
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Niles Audio SWA-500M - page 10
Figure 7. Back Panel Control on the SW A-500M 3 2 4 5 6 7 8 9 1 0 1 1 1 1 2 5. HIGH P ASS Frequency adjustment with ON/OFF switch: This feature allo ws you to run R/L loudspeaker wires (RCA line level wires) from an amp/receiver/processor into the SW A-500M and then back to the main audio amplifier to the R/L loudspeakers. When the HIGH P ASS Frequ ...
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Niles Audio SWA-500M - page 11
NILES AUDIO CORPORA TION – 1-800-BUY -HIFI 9 NOTE: FOR A HOME THEA TER RECEIVER NOT EQUIPPED WITH A POWER TRIGGER OUTPUT , CONSIDER USING A NILES 12-VOL T POWER SUPPL Y AS A TRIGGER SIGNAL THA T IS ACTIV A TED VIA A SWITCHED AC OUTLET ON THE RECEIVER. SEE FIGURE 7 FOR CONNECTION DET AILS. 2. (Auto) POWER Switch: Use the AL WA YS ON mode to leave ...
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Niles Audio SWA-500M - page 12
10 8. 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. Use this connection only if your home theater receiver does not have a subwoofer , LFE or pre-amp ou ...
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Niles Audio SWA-500M - page 13
Figure 8. Line-level connection 2nd Subwoofer (Optional) SWA-500M Back Optional LFE Home Theater Receiver 1st Subwoofer LFE Output Set switch to ON and adjust FREQUENCY to match low frequency cutoff of your satellite loudspeakers Alternate configuration: Set switch to OFF to send full range audio to L/R AUDIO OUT jacks Position SET UP switch to th ...
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Niles Audio SWA-500M - page 14
Figure 9. Line-level connection 2nd Subwoofer (Optional) SWA-500M Back Home Theater Receiver R L 1st Subwoofer Left & Right Line-Level Output Set switch to ON and adjust FREQUENCY to match low frequency cutoff of your satellite loudspeakers Alternate configuration: Set switch to OFF to send full range audio to L/R AUDIO OUT jacks Position SET ...
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Niles Audio SWA-500M - page 15
Figure 10. Connecting satellite loudspeakers 2nd Subwoofer (Optional) SWA-500M Back Home Theater Receiver R L 1st Subwoofer Left & Right loudspeaker Outputs Controls not used Position SET UP switch to the mode you wish to adjust MUSIC OR MOVIE and adjust level controls per instructions Set LOW P ASS to about 100Hz Adjust PHASE to integrate subw ...
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Niles Audio SWA-500M - page 16
Figure 11. T rigger connection Second SWA-500M (Optional) SWA-500M Back Home Theater Receiver T rigger Output Optional SW A-500M AND SA TELLITE LOUDSPEAKER SYSTEM WITH EXTERNAL POWER AND MODE TRIGGERS 14 ...
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Niles Audio SWA-500M - page 17
NILES AUDIO CORPORA TION – 1-800-BUY -HIFI CONNECTING THE SW A-500M Connect the SWA-500M according to your application (see APPLICA TIONS on page 11 ). 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 ...
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Niles Audio SWA-500M - page 18
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 , preferably a movie with a good amount of low fr equency information. Listen to the bass ...
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Niles Audio SWA-500M - page 19
NILES AUDIO CORPORA TION – 1-800-BUY -HIFI CHECKING PHASE ON THE SA TELLITE LOUDSPEAKERS Loudspeaker wire has two conductors. On applica tions with satellite loudspeakers, one conductor is attached to a component’ s negative (–) terminal, while the other is attached to a component’ s positive (+) terminal. Usually , the wire is marked for y ...
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Niles Audio SWA-500M - page 20
18 TROUBLESHOOTING GUIDE If you experience a problem operating the SWA-500M, consult this guide first. The most common problems relate to hook up or improper control settings. T ry to isolate the problem and check the control settings to determine the fault and make the necessary changes. If the problem persists, or you have additional questions, ...
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Niles Audio SWA-500M - page 21
NILES AUDIO CORPORA TION – 1-800-BUY -HIFI 19 SPECIFICA TIONS Continuous Output Power <1% THD +N into 4 ohms: 500 watts S/N ratio > 90dB Volume Max and Input Shield Grounded <2.0 mV Variable Low P ass Filter 12 dB per octave -3dB @ 40Hz minimum position -3dB @ 120Hz maximum position Fixed Low Pass Filter 6dB per octave -3dB @ 125Hz Varia ...
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Niles Audio SWA-500M - page 22
20 LIMITED W ARRANTY NILES AUDIO CORPORA TION (“NILES”) WARRANTS ITS LOUDSPEAKER PRODUCTS TO THE ORIGINAL PURCHASER TO BE FREE OF MANUFACTURING DEFECTS IN MA TERIAL AND WORKMANSHIP FOR A PERIOD OF TWO YEARS FROM D ATE OF PURCHASE. THIS WARRANTY IS SUBJECT TO THE FOLLOWING ADDITIONAL CONDITIONS AND LIMIT A TIONS. THE WARRANTY IS VOID AND INAPPLI ...
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Niles Audio SWA-500M - page 23
Model Purchased _________________________________________________________ Serial Number ___________________________________________________________ Date Purchased (month/day/year) _____________________________________________ Dealer Name and Location __________________________________________________ ________________________________________________ ...
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Niles Audio SWA-500M - page 24
Niles Audio Corporation 12331 S.W . 130 Street Miami, Florida 33186 1-305-238-4373 1-800-BUY -HIFI – www.nilesaudio.com ©2007 Niles Audio Corporation. All rights reserved. Niles, the Niles logos and Blending High Fidelity and Architecture are registered trademarks of Niles Audio Corporation. All other trademarks are the property of their respect ...
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