Dual L6SW User's Manual
Contents
1. L6SW L8SW INSTALLATION OWNERS MANUAL Powered Subwoofer Dual SUBWOOFER SERIES INTRODUCTION Introduction Introduction Important Thank you for your purchase Your new Dual powered sub woofer was designed and manufactured to deliver refined musical reproduction and vivid home theater excitement Dual audio products are constructed using the finest quality components and we are proud of our custom designed drivers and electronics Much effort has gone into the design of your new sub as to help you achieve years of maximum performance and pleasure Every DUAL loud speaker undergoes rigorous testing and quality controls at the factory to ensure years of listening pleasure Please take a moment to read this manual prior to installing your new subwoofer The information provided will help you obtain maximum performance Though this manual will refer to your receiver the instruc tions and recommendations apply to all consumer ampli fiers as well as A V receivers Dual powered subwoofers are designed for indoor use only It is important to turn off the power to your receivers power supply before connecting the subwoofer to your system Please Note This manual covers multiple models Parts of the following instructions and features may not apply to your installation or model Indoor Placement SUBWOOFER SERIES PLACEMENT Placement Your DUAL subwoofer can be placed in many convenient locations in your hom2. In this example you may wish to set your sub s Crossover control to 90 Hz creating a mid bass cou pling between your sub and the rest of your speaker system Level Control Balances the loudness of the Subwoofer relative to the Front speakers and compensates for room effects on the Subwoofer s output It should not be necessary to set the level control to maxi mum volume to achieve a well balanced installation but you may need to adjust when changing between music CD s and DVDs Z caution Important Use Option or Option 2 but not both Note Dual recommends you OPTION 1 Connection with speaker wire Connect speaker wires use 16 gauge speaker wire for from the Receiver s front left and right speaker outputs to the Opinion 1 when hooking your Subwoofer s Speaker Level In connections Connect left channel to Receiver speaker outputs in left input and right channel to right input You have the option of making an audio connection to connecting your main speakers to the speaker B outputs on your your Subwoofer receiver if it is so equipped otherwise you have the option of con necting your main speakers using the connections on the Subwoofer This will send the audio signal to the main speakers while funneling the low bass frequencies to the subwoofer To take advantage of this option connect your main speakers to the right and left outputs on the Subwoofer Be sure you take care to main tain proper signal polarity by connecting
3. Namsung America Inc warrants this product to the original purchaser to be free from defects in material and workmanship under normal con ditions for a period of five years for loudspeak ers and one year for electronics and subwoofer amplifiers from the date of the original pur chase Namsung America agrees at our option during the warranty period to repair any defect in material or workmanship or to furnish an equal new or renewed product in exchange without charges subject to verification of the defect or malfunction and proof of the date of purchase During the Warranty Period During the Warranty Period From the date of purchase and through your stated warranty period your product will be replaced with a new renewed or comparable product whichev er is deemed necessary if it becomes defective or inoperative This is done without charge to you Replacement products are warranted for the balance of the original warranty period Who is covered This warranty is extended to the original retail purchaser for products purchased and used in the U S A in the 48 contiguous states ONLY What is covered This warranty covers all defects in material and workmanship in this product The following are not covered installation removal costs dam age resulting from accident misuse abuse neglect product modification improper installa tion incorrect line voltage unauthorized repair or failure to follow instructions supp
4. Speakers Connecting amp Adjusting Your Subwoofer Power Cord Power Indicator LED Power Switch Fuse Speaker In Terminals Low Pass Frequency Crossover Control IMPORTANT When you make connections make sure that the power switches of all components including subwoofer are OFF The attached power cord is to be used with a standard AC wall outlet 110 volt AC outlet capable of supplying at least 250 Watts This LED is unlit when the AC power switch is OFF It glows RED when the subwoofer is in standby mode and GREEN when the subwoofer is on or recieving an audio signal in Auto On mode The three position swith turns the AC supply On or Off and also sets the Subwoofers AUTO ON feature This feature is for your convience When the subwoofer is set in the Auto On mode it is not nessary to power your subwoofer completely off when not in use In AUTO ON the subwoofer stands by until it detects an audio signal input then the Subwoofer turns on automatically A few minutes after audio input signals cease the Subwoofer automatically returns to standby mode and the LED returns to RED The subwoofer has been designed in a way that you can leave the Auto On feature active without causing any harm to your subwoofer This fuse protects against minor internal and external faults The fuse value is indicated on the rear amplifier plate near the fuse itself If the POWER switch is ON and the power indicator LED is unlit unpl
5. feature integrated into the power switch for signal sensing Off Auto On eLed Indicator SPECIFICATIONS Woofer 6 5 PVA treated rigid cone with ridge edge surround for faster driver action Crossover Internal cross over Amplifier Class A B amplifier 100 Watts Peak Power 50 Watts RMS 10 Frequency Response 50 Hz 3dB Dimensions H W D 10 5 x 8 65 x 8 65 Weight 10 lbs Cabinet Design Active Vented 2 25 Port Enclosure of Acoustically Neutral MDF finished in Black Pica Vinyl FEATURES e Gain control for volume adjustment e High level inputs e Low Level Inputs and Outputs e Adjustable low pass 50 Hz to 150 Hz e Sleep mode feature integrated into the power switch for signal sensing Off Auto On e Led Indicator SPECIFICATIONS Woofer 8 Polypropylene cone with rubber surround Crossover Internal cross over Amplifier Class A B amplifier 120 Watts Peak Power 60 Watts RMS 5 Frequency Response 40 Hz 3dB Dimensions H W D 15 75 x 10 85 x 14 95 Weight 23 lbs Cabinet Design Active Vented 2 Port Enclosure of Acoustically Neutral MDF finished in Black Pica Vinyl Power handling is based on amplifier volume never being set above the point of audible distortion All Rights Reserved All specifications subject to change without notice Limited Warranty This warranty gives you specific legal rights You may also have other rights which vary from state to state
6. e but must be placed on the floor Do not attempt an installation that would elevate the subwoofer above floor level You should experiment with various place ments Room Acoustics can produce large apparent differ ences in the sound for small changes in the placement location and adjustments to subwoofer controls For Example directing the woofer of a forward firing sub toward one s typical listening position and adjusting the low pass filter to 150 Hz can make the sub very directional This means you perceive exactly where the sub is located within the room This is not a desirable result for the most realistic audio experience The common thinking regarding subwoofer placement and performance is to position and adjust the subwoofer in such a way that the subwoofers low frequencies encompasses the entire room with deep powerful bass and provides the most realistic imaging experience The amount of bass per ceived increases as you move the subwoofer closer to an intersecting wall surface and the highest level of bass results are realized from placement in a corner but should be no closer than 3 from the wall surface The floor and corner placement loading are actually an important part of the Subwoofer s design Attempt to place the subwoofer in or near the corner closest to your system s receiver to ensure the shortest possible wire or cable runs which will result in superior performance SUBWOOFER SERIES INSTALLATION Connecting
7. lied with the product or damage occurring during return shipment of the product What to do If the product requires warranty service you must prepay the initial shipping charges DUAL will pay the return shipping charges if the product is returned to an address within the USA Namsung America Inc Attn Returns Center 21318 64th Ave South Kent WA 98032 U S A Toll Free 1 866 626 7863 Exclusion of Certain Damages This warranty is exclusive and in lieu of any and all other warranties expressed or implied including without limitation the implied war ranties of merchantability and fitness for a par ticular purpose and any obligation liability right claim or remedy in contract or tort whether or not arising from the company s neg ligence actual or imputed No person or repre sentative is authorized to assume for the com pany any other liability in connection with the sale of this product In no event shall the com pany be liable for indirect incidental or conse quential damages Namsung America Inc 21318 64th Ave South Kent WA 98032 U S A Toll Free 1 866 626 7863 2003 Namsung America Inc EVOK0703 V01
8. the red wire to the red terminal and black wire to the black terminal OPTION 2 Connection with audio cable Connection with audio cable This connection employs a left right audio cable To use this option your receiver should include a subwoofer Out jack which is typical of receivers equipped with Dolby Digital and DTS 5 1 decoding Locate the subwoofer output jack on the back of your receiver Using a standard audio cable connect the subwoofer output on the back of your receiver to the line In on the back of the subwoofer SUBWOOFER SERIES TROUBLESHOOTING Troubleshooting Distortion Knocking If you believe you hear obvious distortion or knocking sounds immediately lower the volume level of your receiv er Those sounds often indicate that either the receiver or the subwoofer is being over driven and damage can result in playing CD s and DVD s at high volumes You should avoid turning the bass or treble to maximum levels and refrain from using the Loudness button when the volume level is high This can lead to costly loudspeaker failure Distorted or unnatural sound can also indicate poor connections Check the connections If the sound remains poor or distorted the subwoofer may have a problem Please call Dual service number for assistance SUBWOOFER SERIES SPECIFICATIONS L6SW L8SW Specifications FEATURES e Gain control for volume adjustment e High level inputs e Low Level Inputs e Sleep mode
9. ug the power cord from the AC outlet and check the fuse by unscrewing the center piece from the holder IMPOR TANT If the fuse malfunctions replace it with another fuse of the same type value and current rating This information can be found on the fuse Option 1 These terminals are for making connections using speaker wire Option 2 LINE IN Jacks This jack is for input connection using an audio cable see options 1 amp 2 on the following page This feature adjusts the frequency limit for low audio signals from 50 Hz to 150 Hz This control helps you adjust the system s low frequency balance to blend your subwoofer with the other speakers within your system An example If you adjust the control to the subwoofers low 50 Hz setting the filter limits frequencies above that from being reproduced or heard from the subwoofer SUBWOOFER SERIES INSTALLATION Connecting Speakers Low Pass Frequency This can be a desired setting if you are using the sub in combina Crossover Control tion with tower or floor standing speakers If you are using satellites cont d speakers with 5 25 cones sizes or under you will want to move the frequency up to slightly overlap the lowest frequency the satellites can produce If your satellite frequency response is rated at 80 Hz to 18 kHz then you may choose to move the Crossover control higher to blend the highest frequency of the subwoofer slightly past the lowest frequency of the satellites
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