Page 2 - TABLE OF CONTENTS
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 e...
Page 3 - INTRODUCTION
Figure 1. Niles SWA-500M high-power subwoofer amplifier. NILES AUDIO CORPORATION – 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 passi...
Page 4 - Do not use this apparatus near water.; IMPORTANT SAFETY INSTRUCTIONS; CAUTION
2 CAUTION : TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS I N S I D E . R E F E R SERVICING T O Q U A L I F I E D S E RV I C E P E R S O N N E L . The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the pre...
Page 5 - FEATURES AND BENEFITS
NILES AUDIO CORPORATION – 1-800-BUY-HIFI FEATURES AND BENEFITS MAXIMUM SUBWOOFER PERFORMANCE The SWA-500M Class D amplifier is designed specifically for bass reinforcement for passive (non-powered) subwoofers. The SWA-500M provides 500 Watts Continuous Output Power (<1% THD +N into 4 ohm). Because ...
Page 6 - CLEANING
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 th...
Page 7 - RACK MOUNTING THE SWA-500M; amplifier to install the left and right upper rack ear screws last.; APPLICATIONS
Figure 4. Install the included rack ears as shown using a #2 Phillips screwdriver NILES AUDIO CORPORATION – 1-800-BUY-HIFI 5 RACK MOUNTING THE SWA-500M 1. Before installing the rack ears, remove the screws attached to the sides of the unit. Install the included rack ears as shown in Figure 4 using a...
Page 8 - Connecting loudspeaker to SWA-500M; CONNECTING THE SWA-500M; CONNECTION TO AUDIO/VIDEO SOURCES; LOUDSPEAKER WIRE; CONTROLS AND CONNECTORS
Figure 5. Connecting loudspeaker to SWA-500M 6 CONNECTING THE SWA-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 li...
Page 9 - Front Panel control on the SWA-500M; RUNNING WIRES IN WALLS OR CEILINGS; Figure 6
Figure 6. Front Panel control on the SWA-500M NILES AUDIO CORPORATION – 1-800-BUY-HIFI 7 (CONTINUED ON NEXT PAGE) 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. I...
Page 10 - Back Panel Control on the SWA-500M; SIGNAL CONNECTORS AND POWER CONTROLS; Figure 7
Figure 7. Back Panel Control on the SWA-500M 3 2 4 5 6 7 8 9 10 11 1 12 5. HIGH PASS Frequency adjustment with ON/OFF switch: This feature allows you to run R/L loudspeaker wires (RCA line level wires) from an amp/receiver/processor into the SWA-500M and then back to the main audio amplifier to the ...
Page 12 - NOTE: DO NOT USE THESE CONNECTIONS WHEN USING THE LINE-LEVEL INPUTS.; OUT
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 receiv...
Page 13 - Figures 8; through; SWA-500M IN A TYPICAL HOME THEATER INSTALLATION
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 ...
Page 14 - Line-level connection; Optional
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 ...
Page 15 - Connecting satellite loudspeakers; SWA-500M AND LOUDSPEAKER LEVEL CONNECTION
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...
Page 16 - Trigger connection; SWA-500M AND SATELLITE LOUDSPEAKER SYSTEM
Figure 11. Trigger connection Second SWA-500M (Optional) SWA-500M Back Home Theater Receiver Trigger Output Optional SWA-500M AND SATELLITE LOUDSPEAKER SYSTEM WITH EXTERNAL POWER AND MODE TRIGGERS 14
Page 17 - Connect the SWA-500M according to your application (see; CHECKING; CALIBRATING THE SWA-500M
NILES AUDIO CORPORATION – 1-800-BUY-HIFI CONNECTING THE SWA-500M Connect the SWA-500M according to your application (see APPLICATIONS 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 connection...
Page 19 - CHECKING PHASE ON THE SATELLITE LOUDSPEAKERS
NILES AUDIO CORPORATION – 1-800-BUY-HIFI CHECKING PHASE ON THE SATELLITE LOUDSPEAKERS Loudspeaker wire has two conductors. On applications with satellite loudspeakers, one conductor is attached to a component’s negative (–) terminal, while the other is attached to a component’s positive (+) terminal...
Page 20 - TROUBLESHOOTING GUIDE; Solutions; Solutions; AC power cord must be plugged into a working outlet.; Solutions
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. Try to isolate the problem and check the control settings to determine the fault and make the necessary changes. If the probl...
Page 21 - SPECIFICATIONS; Two prong
NILES AUDIO CORPORATION – 1-800-BUY-HIFI 19 SPECIFICATIONS Continuous Output Power <1% THD +N into 4 ohms: 500 wattsS/N ratio > 90dB Volume Max and Input Shield Grounded <2.0 mV Variable Low Pass Filter 12 dB per octave -3dB @ 40Hz minimum position -3dB @ 120Hz maximum position Fixed Low Pa...
Page 22 - LIMITED WARRANTY; FOR THE NAME OF YOUR NEAREST AUTHORIZED NILES DEALER CONTACT:
20 LIMITED WARRANTY NILES AUDIO CORPORATION (“NILES”) WARRANTS ITS LOUDSPEAKER PRODUCTS TO THE ORIGINAL PURCHASER TO BE FREE OF MANUFACTURING DEFECTS IN MATERIAL AND WORKMANSHIP FOR A PERIOD OF TWO YEARS FROM DATE OF PURCHASE. THIS WARRANTY IS SUBJECT TO THE FOLLOWING ADDITIONAL CONDITIONS AND LIMIT...
Page 23 - Miss; WARRANTY REGISTRATION CARD
Model Purchased _________________________________________________________ Serial Number ___________________________________________________________ Date Purchased (month/day/year) _____________________________________________ Dealer Name and Location _________________________________________________...
