Owner`s Manual - Karma Digital
Contents
1. use the 3 position 3 Move the subwoofer approximately three feet away from the right wall and place it along the back wall as shown This will substantially reduce the rattling of the back wall and will still pressurize the room with lots of bass Experiment with at least two corners and decide which is the best or you can try the following procedure 1 Start by placing the subwoofer right on the seat of your favorite couch or easy chair Take care to position it so it is not likely to fall off This method may seem a bit odd but it is based on principles of acoustic physics 2 If you are using the subwoofer as part of a Home Theater system you can either run a calibration test noise signal through the subwoofer or simply plug the analog outputs of a CD player di rectly into the subwoofer s line level inputs Turn down the subwoofer s volume level before turning on the CD then play some of your favorite music samples with heavy bass Sunfire User s Manual 3 Walk around the room listening and stand in all the positions where you might be able to place the subwoofer Try crouching down and try the corners Find the place where the subwoofer s bass output sounds the loudest 4 Shut things down and install the subwoofer in this position Make sure the control panel is not touch ing anything and that it can receive good ventilation Although low frequencies are non direc tional factors su2. INFIRE DATE CODE 10 continued EURO 230 VAC MODEL Connect the linecord to the subwoofer before connecting the other end to a 230 Volt 50 60 Hz AC outlet The outlet must have a circuit rating of 6 amps or more A 11 Line Fuse The subwoofer is supplied with a con servative slow blow type fuse to protect the electronics the fuse Never use a fuse with a larger current rating than shown on the markings next to the fuseholder 12 EQ LED This LED provides feedback during the EQ procedure It also lights continu ously whenever the subwoofer is not in standby Never plug the EURO 230 VAC model subwoofer directly into 120 130 Volts AC Always unplug the power cord before inspecting or changing 13 14 15 16 lew WARNING AVERTISSEMENT FE sx or mazannous evenor Enencie eLEcrRIQUE K 1 1 tare Proven steamer DAnGEREUSE VOIR Cc CONNECTIONS SEE OPERATING LA INOTICE DE AMUN SePORE USMO FOTO mm Start button Used to calibrate the EQ See page 12 for details on the EQ calibration procedure EQ ON OFF Switch This switch is used to turn the EQ on or off It allows you to easily judge the effect of the EQ on the subwoofer performance Microphone Input This is the input connection for the supplied linear measurement micro phone used during the automatic EQ procedure See page 12 for details of the EQ procedure
3. Instructions Introduction Features Unpacking and Care Overview Control Panel Features Installation Connections Location Room Equalization Procedure 12 System Configurations Adjusting the Controls Specifications Troubleshooting Guide Limited Warranty Service Assistance sunfire com 3 Introduction Thank you for purchasing this Sunfire ATMOS Subwoofer We hope you enjoy it and the music it makes as much as we have enjoyed creating it for you The big breakthrough features of the subwoofer are its uncanny tracking downconverter its long throw high back electromotive force driver and its fully automatic room equalizer Taken together they provide this subwoofer with as much bass as you could get from sev eral 15 inch drivers mounted in a cabinet the size of a small refrigerator Unpacking Your Sunfire Subwoofer should reach you in perfect condition If you do notice any shipping damage please contact your Sunfire Dealer immediately Gently lift out the unit and remove all the packing material It is important to save all the packing materials and the box in case your subwoofer ever needs to be moved or shipped for repair Make sure that you keep your sales receipt It is the only way to establish the duration of your Limited Warranty and it may come in useful for insurance purposes Please take a moment to fill out and mail the Sunfire Customer Response card Also read the serial num
4. from both subwoofers and the EQ adjustment will affect both subwoofers 13 System Configurations The following pages show some typical connections that you might make in your installation They show how the inputs and outputs of the Sunfire Subwoofer are connected to your preamplifier or receiver Connections to a preamplifier s subwoofer output If your preamplifier has a subwoofer output often labeled LFE for Low Frequency Ef fects it can be connected to the subwoofer s left or right input as shown This is the simplest and recommended connection A re ceiver with a sub LFE output can be connected in the same way The subwoofer will play the low frequency range and the other speakers will play the frequency range delivered to them by your amplifier PREAMPLIFIER If you have a Home Theater preamplifier it may have an inde pendent subwoofer volume control Make sure this is correctly adjusted and that the Sunfire Subwoofer s crossover frequency is set to 100 Hz This is by no means an iron clad rule rather it is a good starting point See the crossover fre quency control details on page 6 and adjustments on page 18 io You can set the subwoofer s level control TO FRONT gpg AK to 0 dB and then use the preamplifier s subwoofer level control for normal and routine adjustments ERS 14 Sunfire User s Manual Connections to a preampl
5. online The warranties on Sunfire products are NOT VALID if the products have been purchased from an unauthorized dealer or an online E tailer Service Assistance We suggest that you read the Limited War ranty completely to fully understand your Warranty Service coverage If your Sunfire product ever requires service contact your nearest Sunfire authorized dealer first If for any reason you are un able to receive service from your dealer you may write to us Sunfire The AVC Group Return Center 2040 Creative Drive Ste 100 Lexington KY 40505 4304 You will be directed to an authorized Sunfire Service Station or receive instructions to ship the unit to the factory Please save the original shipping carton and packing materi als in case shipping is required Please do not ship Parcel Post NOTE Before sending in your unit for repair you must contact Sunfire for return authorization Include a complete description of the prob lem indicating how you have it connected the associated equipment in your system and a copy of your purchase receipt Initial shipping costs are not paid by Sunfire return ground shipping costs will be prepaid if repairs were covered by the scope of this Warranty 23 D 5 992 m dD amp D SERIES ATMOS Subwoofer Sunfire 1969 Kellogg Ave Carlsbad CA 92008 www sunfire com Manual 9901152 Rev C
6. s Manual Troubleshooting The Sunfire Subwoofer is expertly designed and built to provide years of trouble free performance Most prob lems that occur can usually be solved by checking your setup or making sure that the components connected to the amplifier are on and fully operational The following information will help you deal with common problems you may ex perience during normal use If a problem still persists please contact your Sunfire Dealer for assistance Not enough bass Sunfire User s Manual Check that your preamplifier s outputs are connected to the subwoofer s line level inputs and not to the line level outputs If they are connected to the outputs by mistake the bass will be weak but the subwoofer will still function If your preamplifier has a single sub woofer LFE output jack try using a Y cable to connect it to the left and right inputs Make certain the subwoofer is in a cor ner location firing at 45 degrees into the walls formed by the corner This is not absolutely essential but will maximize the bass output and give the smoothest possible response If you place the unit so one of the drivers is firing into one of the walls leave three inches of clear ance between the driver and the wall Home Theater preamplifiers usually have a way of adjusting the level of the subwoofer LFE output either using a remote control or with a small volume knob on the back panel Make sure that
7. subwoofer s outputs The subwoofer s output switch lets you select BYPASS or 85 Hz In the 85 Hz posi tion the signals coming out of the subwoofer s outputs are a copy of the signals going into the subwoofer except that the low bass is filtered out This uses the subwoofer s passive crossover network rather than the active network and controls This is an excellent method if your front speakers are small satellites or mini monitors and or TO FRONT SPEAKERS your power amplifier is of limited power such as a tube amp If the switch is set to BYPASS then the amplifier and speakers receive the full frequency range This is a good position if your speakers are capable of good low frequency performance 16 s Sunfire User s Manual Using the slave input and output The SLAVE output from one ATMOS subwoofer can be con nected to the SLAVE input of a second ATMOS subwoofer The second subwoofer will then re ceive the optimum audio signals from the first There is no need to adjust the controls of the second subwoofer as the audio is con trolled by the controls and EQ setting of the first The second subwoofer does not require any connections to its line level inputs Before the EQ procedure make sure that both ATMOS subwoofers are connected together as shown The micro phone should be connected to the first subwoofer The automatic EQ
8. 5 7 cm Weight 32 Ibs 14 5 kg Line Power Consumption 330 watts average at maximum continu ous output 0 5 watts at idle 1400 watts peak time limited basis Output Levels Greater than 106 dB peak SPL includes room gain from 35 Hz to 80 Hz Mea surement is one meter anechoic Atypical Sunfire subwoofer can be expected to beat its specified minimum peak SPL by several decibels Total Harmonic Distortion Typically less than 1 10 of the funda mental between 18 to 80 Hz Sunfire User s Manual Input Sensitivity full output 150 mVrms for full output with volume control at maximum 600 mVrms with volume control at middle OdB no output with volume control at minimum Input Impedance 30 kQ Line Level Inputs Driver 6 5 inch Extra large magnet and long throw mechanical design yield very high back emf The result is extraordinarily high operating efficiency that is more acoustic output for each watt of input Internal System Gain 50 dB from input jack to speaker with volume control at 0 dB 62 dB with con trol fully clockwise 12 VDC Trigger Input Input voltage range 5 18 VDC Impedance approx 600 Q 20 mA 12 V Removable terminal block 2012 Sunfire a division of The AVC Group LLC All rights reserved Sunfire reserves the right to improve its products at any time Therefore specifications are subject to change without notice 19 20 Sunfire User
9. ESIGNED BY SUNFIRE INTHE USA MANUFACTURED UNDER LICENSE IN CHINA FOR SUNFIRE CONCEBIDO Y CABALMENTE DISE ADO POR SUNFIRE EN ESTADOS UNIDOS FABRICADO BAJO LICENCIA EN CHINA CON U ET METICULEUSEMENT PLANIFIE PAR SUNFIRE DANS LES ETATS UNIS FABRIQUE CONFORM MENT LA LICENSE DANS LA CHINE 5748753 5937074 6818231 61 BUILT UNDER ONE OR MORE OF THE FOLLOWING USS PATENTS 4484150 30954 Control Panel Features FREQ LEVEL s ee MN PHASE iris gt CE connections SEE OPERATING LA INOTICE DE MANUAL BEFORE USING FONCTIONNEMENT DATE CODE Crossover Frequency This control changes the high fre quency cutoff point With the control set to 100 Hz the subwoofer will reproduce frequencies up to 100 Hz If the control is set fully clockwise the crossover is bypassed and the subwoofer will re produce a wide frequency range With the control fully counter clockwise the subwoofer reproduces a narrow range up to 30 Hz Rotate the control until the bass sounds natural If the mid bass sounds natural but you want more low bass turn this control down a little then turn the Volume control up by about the same amount This increases the low bass output while leaving the mid bass output the same Level This control lets you match the output level of the subwoofer to the level of your other speakers The subwoofer output will increase as this control is rotated clockwise Whe
10. POWER LED This red LED indicates when the subwoofer is connected to AC Power When a 12 volt trigger voltage or an audio signal is applied this LED goes out and the blue EQ LED lights up Sunfire User s Manual Sunfire User s Manual Installation Observe the following general precau tions and read the safety instructions on pages 2 and 3 before using your Sunfire Subwoofer Never open the cabinet or remove the metal control panel as this might result in an electrical shock to you or damage to the unit Protect it from prolonged exposure to direct sunlight and other direct sources of heat such as heating vents and radiators To prevent fire or shock do not expose the unit to rain or moisture If fluid or a foreign object should enter the unit immediately turn off the power and contact your Sunfire Dealer Avoid excessive exposure to extreme cold or dust e Do not place heavy objects on top of the unit Do not place the subwoofer with its control panel against the floor e To move the subwoofer along the floor rotate it onto one edge onto a plastic sheet or bag and it will slide along easier Heat rise Allow adequate ventilation around the metal control panel of the subwoofer Do not let anything come into contact with the panel and keep at least two inches away from any walls The metal bottom plate serves as the amplifier heat sink and also as a conduit to remove intern
11. X ATMOS Subwoofer XTATM265 and XTATM265230 User s Manual CAUTION ATTENTION RISK OF ELECTRIC SHOCK RISQUE DE CHOC ELECTRIQUE DO NOT OPEN NE PAS OUVRIR WARNING To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture AVIS Pour r duire le risque d incendie ou de choc lectrique ne pas exposer cet appareil sous la pluie et l humidit The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids such as vases shall be placed on apparatus L appareil ne doit pas tre expos aux coulements ou aux claboussures et aucun objet ne contenant de liquide tel qu un vase ne doit tre plac sur l objet The lightning flash with arrowhead symbol within an equilateral triangle is in tended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons Le symbole de l clair fl ch dans un triangle quilat ral est destin alerter l utilisateur de la pr sence d une tension dangereuse dans le bo tier du produit qui peuvent tre des ampleur suffisante pour constituer un risque d lectrocution aux personnes This symbol is intended to alert the user to the presence of important operation and maintenance servicing instructions in the literature accompanying the app
12. al heat to the outside and into the atmosphere It can reach temperatures of 60 degrees C which will feel hot to the touch using nerves of flesh and blood as temperature sen sors As uncomfortable as it may feel 60 degrees C cannot burn you and in fact is almost cool to copper silicon steel and aluminum the materials from which your subwoofer is constructed AC Power Considerations Ensure that the unit is plugged into an outlet capable of supplying the correct voltage specified for your model Unplug your subwoofer s power cord from the electrical outlet if it will be left unused for a long period of time Route the power supply cord so it is not likely to be walked on or pinched by items placed upon or against it especially at plugs convenience receptacles and the point where it exits from the unit Magnetic Fields We recommend that you place your subwoofer further than two feet away from your TV VCR tape deck or com puter so the speaker s magnet won t distort the colors of your TV picture or erase your video tapes audio tapes or computer discs 9 Connections Please consider the following when set ting up your new system Before making or changing any connections ALWAYS make sure that the subwoofer and your other components are turned OFF Also turn down the volume control of the subwoofer and your preamplifier or receiver This diagram shows all the low power components sharing a po
13. ber located on the control panel and record it here Serial Number Purchased from Features 1400 watt high efficiency amplifier Automatic Room Equalization mode e Measurement Microphone included e Very low distortion e Long throw premium quality drivers e Stunning output from a small cube Automatic signal sensing turn on and standby mode 12 VDC trigger input for remote turn on Line level unbalanced inputs e Line level outputs with high pass or full range switch e Continuously variable phase control e Continuously variable crossover fre quency adjustment 30 to 100 Hz e Continuously variable volume level control Soft clipping circuit allows graceful overload and prevents speaker damage due to clipping Gold plated inputs and outputs Care To maintain the speaker cabinet s finish first unplug the power cord and then use a soft cloth to clean the surfaces If your Sunfire Subwoofer needs ser vicing please read the Troubleshooting section on page 21 If a problem persists contact your nearest authorized Sunfire Dealer Sunfire User s Manual Sunfire User s Manual Overview Your Sunfire ATMOS Subwoofer is designed to give you the best possible low frequency sound quality for your Home Theater experience It incorporates a tremendously powerful built in amplifier and a pair of drivers to produce tight floor rumbling denture rattling bass that you can feel as w
14. ch as room reflections standing waves resonance and absorp tion will strongly affect your subwoofer s performance Moving the subwoofer from one location to another can have a major effect on the bass response The Auto EQ mode will let you adjust for the room effects but you should find the best location first any TV screen computer VCR or magnetic tapes and discs This will reduce the chance of the magnetic fields upsetting the TV screen or erasing your magnetic media Remember to keep the subwoofer at least two or three feet away from Using Two Subwoofers If you wish to use two subwoofers the sound output will double an increase of 3 dB Locate the subwoofers with one in each corner and experiment with the location and phase control to achieve the best bass response Use the Slave input and output con nections if you are using two ATMOS subwoofers 11 Room Equalization Procedure Subwoofer performance is greatly af fected by the room in which it is situated and the positioning within the room The room effects will boost and cut the output levels reaching your listening position This gives a Room EQ effect which can often be far from wonderful The Sunfire ATMOS can automatically adjust for the effects of Room EQ It measures the actual frequency response using the supplied measurement micro phone Then it automatically compen sates for peaks or dips and smooths out the response For be
15. connect it to either input jack see page 14 Line Level Outputs Line level output signals are avail able at these jacks These outputs are active whenever a signal is hooked up to the inputs of the subwoofer The outputs are not affected by the volume level phase frequency control or EQ of the subwoofer To use the outputs connect the preamp 9 outputs on your preamp receiver to the subwoofer s line level inputs using good quality RCA type patch cords Then connect a second set of patch cords from these subwoofer outputs to the line level inputs of your main amplifier The adjacent Output Switch 7 allows the outputs to be either high pass or full range see below Output Switch This switch affects the frequency range of the line level outputs In the Bypass position the outputs are a full range copy of the input signals In the 85 Hz position the outputs are a copy of the input signals with the frequencies below 85 Hz removed We recommend using this position if your speakers are not designed to repro duce low frequencies If your main speakers are capable of operating full range then use the Bypass position 10 A Slave Input and Output These connections simplify the hookup and operation of two ATMOS subwoofers Connect the slave output from the first subwoofer to the slave input of the sec ond This second subwoofer will then receive the optimum audio signals from the first and t
16. ell as hear The subwoofer has an automatic equalization system which will tailor the subwoofer output to compensate for any room effects The subwoofer has an adjustable high cut filter and line level inputs for easy incorporation into existing systems or as part of a subwoofer satellite speaker combination Controls for adjusting the volume crossover frequency and phase allow the subwoofer to be perfectly matched to any listening environment and audio components The Drivers To have lots of bass requires moving lots of air Your Sunfire Subwoofer incorpo rates two drivers that can move back and forth approximately five times more than a normal subwoofer This gives it a lot of air moving capacity which allows for majestic bass performance Two drivers share the acoustic output Sometimes one driver appears to be moving more than the other They both move the same amount only when op erating at the limit of their excursion and power output or when bass requirements and music requirements demand maxi mum output from the system Otherwise the power is shared between the two drivers in a way that depends on the mo mentary amplitude and the momentary musical spectrum It is normal for one or the other to move more or less than its mate during operation The Amplifier The large movement range of the driv ers creates greater air pressure inside the box than a conventional subwoofer Therefore the drive amplifi
17. er must be much more powerful than an ordinary subwoofer amplifier In fact it has to be so powerful it is almost hard to believe The power amplifier within your Sunfire Subwoofer is capable of delivering over 1400 watts into a 3 3 ohm resistor the driver voice coil resistance When the same full output is applied to the driver however the enormous back electro motive force generated as a conse quence of its large motion and giant mag net causes the current flow to be much less than if it were a 3 3 ohm resistor It is this singular property of the driver that allows the subwoofer to be approximately ten times more efficient than a subwoofer this size would normally be Acompressor circuit kicks in automati cally if the input signal level reaches a level that would overload the driver This maintains a ceiling on the output without clipping If the input signal is driven even further a soft clipping circuit is enabled This allows the subwoofer to put more sound into the room to satiate the power hungry user but without distortion or damage to the subwoofer Thus for ex plosive scenes in movies this produces extremely high sound pressure levels SPL in your room without the drivers banging against the mechanical stops For more details of the subwoofer design please call us or view our website www sunfire com Sunfire sssX SERIES ATMOS XTATM265 CONCEIVED AND METICULOUSLY D
18. fferent frequency Wait another 10 seconds and press the START button again A new frequency will come from the subwoofer You ll need to wait another 10 seconds and then press the START button again A fourth tone will come from the subwoofer Finally after another 10 seconds press the START button again and hold it until the sound stops Your Atmos subwoofer is now equalized to your room Sunfire User s Manual 11 12 13 Unplug the microphone and store it in a safe place Finish the setup by adjusting the Atmos VOLUME CROSSOVER and PHASE appropriately and calibrating your surround sound receiver processor according to its owner s manual If you add remove heavy draperies or large furniture or move the Atmos to a new acoustic environment repeat steps 6 12 Resetting the EQ 1 Turn off the subwoofer using the AC power switch Hold down the Start button and turn on the AC power switch Keep the Start button held down for 10 seconds while the blue EQ LED flashes When the LED goes out the EQ is reset to the flat factory setting Using Two Subwoofers 1 Sunfire User s Manual If you are using two ATMOS subwoofers make sure that they are connected us ing the SLAVE output of the first sub to the SLAVE input of the second Connect the microphone to the first ATMOS subwoofer only Follow the procedure on the previous page The EQ room measurement will take into account the sound
19. hat the subwoofer power switch is on The subwoofer s volume control may be turned down or no signal is received from your preamplifier Check the input connections Check the mode switch or menu on sur round systems to be certain that a bass signal is being sent to the subwoofer Use the 12V Trigger for the most reliable on off operation Sunfire User s Manual Sunfire Limited Warranty Sunfire a division of The AVC Group LLC is proud of its products which have been built with care using advanced technology and premium component parts Your unit has been crafted to perform properly for many years Sunfire offers the following Warranty to you the owner of a new Sunfire product Sunfire warrants the ATMOS subwoofer to be free from defects in materials and work manship for the period of ONE year from the date of purchase If within the applicable warranty period above purchaser discovers such item was not as warranted above and promptly notifies Sunfire in writing Sunfire shall repair or replace the items at the company s option This warranty shall not apply a to equipment not manufactured by Sunfire b to equipment which shall have been installed by other than an authorized Sunfire installer c to installed equipment which is not installed to Sunfire s specifications d to equipment which shall have been re paired or altered by others than Sunfire e to equipment which shall have bee
20. here is no need to adjust the controls of the second subwoofer as the audio is controlled by the con trols and EQ setting of the first The second subwoofer will not require any connections to its line level inputs as it receives the audio through its slave input Power Switch The power switch is used for installing and uninstalling the subwoofer and for power conservation during long vaca tions Leave it switched on at all times for normal operation After a period of inactivity i e with no input signal the subwoofer will auto matically turn itself to Standby mode where it is effectively muted It can turn back on automatically when an input signal is applied or if a 12 VDC trigger voltage is applied to the Trigger inputs or if the Start button is pressed IEC Linecord socket The subwoofer comes with a detach able linecord that connects here US 120 VAC MODEL Connect the linecord to the subwoofer be fore connecting the other end toa 120 Volt 60 Hz AC outlet The outlet must have a circuit rating of 8 amps or more a typical home circuit is rated at 15 amps Never plug the US 120 VAC Model subwoofer directly into 220 240 Volts AC as this will cause catastrophic circuit failure continued 7 Control Panel Features continued 12 B unjire ab SZ SS ws rs 0 1 WN ES 1 ATMOS XTATM265 CONCEIVED AND METICULOUSLY DESIGNED BY SUNFIRE INTHE USA MAN
21. hich soundtrack to play Check that the correct 5 1 surround audio soundtrack is selected otherwise it may just play stereo into your preamp and you won t get the true LFE signal into the subwoofer 21 Hum Adding any component such as a sub woofer to an existing system will often give rise to a hum which wasn t there before Your first thought may be that the subwoofer has a problem but this is more than likely caused by a ground loop in your system Follow these steps to isolate the main cause of the ground loop hum there may even be more than one cause Try to have all of your equipment on the same electrical outlet or circuit see page 10 for more details If your subwoofer is a fair distance away from your other equipment you may use a 15 amp extension cord as long as it has a ground connection A Turn off all components in your system including the subwoofer amplifiers and the preamplifier before disconnecting or connecting cables NOTE Never remove the ground pin from any power cords This is very dangerous First remove every connection from the subwoofer to the rest of your system Plug the subwoofer power cord back in and check for the hum If it is still there try plugging it into a different outlet in case it is picking up interference on the AC line If you have followed the above guide lines for the power connections and a hum is still present then there is one very common proble
22. ifier using Y cables If your preamplifier does not have a dedicated sub LFE output you can use Y cables to send its main outputs to both the sub woofer and your amplifier The subwoofer will play the low frequency range and your front speakers will play the full range Although bass is commonly dis tributed evenly between left and right channels L R bass movie soundtracks often contain dif ferential L R bass The opening scene in Top Gun for example has loads of L R bass information If this is not preserved the bass in these scenes sounds anemic Therefore systems which do not have a dedicated sub LFE output should use both the left and the right inputs as shown for the greatest bass impact An alternative con nection method without us ing Y cables is shown on the next page If your preamp receiver has a dedicated sub LFE output then only one input is used as shown on the previous page TO FRONT SPEAKERS Sunfire User s Manual 15 Using the line level outputs If you are using a preamplifier that does not have a sub LFE output you can send its left and right front output into the subwoofer s line level inputs and then connect the subwoofer s line level outputs to the inputs of your amplifier The subwoofer will play the low frequencies and your amplifier and front speak ers will play the frequency range of the
23. l autre Si la fiche instructions du fabricant fournie ne rentre pas dans votre prise 2 Sunfire User s Manual 10 11 12 13 14 Sunfire User s Manual consultez un lectricien pour remplacer la prise obsol te Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the ap paratus Prot gez le cordon d alimentation d tre pi tin ou pinc particuli rement au niveau des fiches des prises et le point o ils sortent de l appareil Only use attachments accessories specified by the manufacturer N utilisez que des accessoires sp cifi s par le fabricant Use only with a cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart RY or rack is used use caution 2 when moving the cart appa S ratus combination to avoid injury from tip over Utilisez uniquement un chariot stand tr pied support ou table sp cifi s par le fabricant ou vendu avec l appareil Quand un panier ou rack est utilis faites attention lorsque vous d placez l ensemble chariot appareil pour viter d ventuelles blessures en cas de chute Unplug this apparatus during lightning storms or when unused for long periods of time D branchez cet appareil pendant les orages ou lorsqu il n est pas utilis pendant de longues p riodes de temps Refer all servicing to qualified ser
24. liance Ce symbole est destin alerter l utilisateur de la pr sence d op ration et de maintenance entretien dans la documentation accompagnant l appareil Important Safety Instructions 1 Read these Instructions 8 Do not install near any heat sources Lisez ces instructions such as radiators heat registers 2 Keep these Instructions stoves or other apparatus including Conservez ces instructions amplifiers that produce heat 3 Heed all Warnings Ne pas installer pr s de sources de Respectez tous les avertissements chaleur telles que radiateurs registres 4 Follow all instructions de sa i sas ie appareils Suivez toutes les instructions 0 pri pan urs 5 D i thi i produisant de la chaleur i o not use this apparatus near water Ne pas utiliser cet appareil pr s de 9 Do not defeat the safety purpose of the l eau polarized or grounding type plug A polarized plug has two blades with one 6 Clean only with a dry cloth wider than the other When the pro Nettoyer uniquement avec un chiffon vided plug does not fit into your outlet sec consult an electrician for replacement of 7 Do not block any ventilation open the obsolete outlet ings Install in accordance with Ne d truisez pas la s curit de la the manufacturer s instructions terre ou polaris es fiche Une fiche Ne pas bloquer les ouvertures de polaris e poss de deux lames dont une ventilation Installer conform ment aux est plus large que
25. m to consider a ground loop introduced by connecting a cable TV line to a VCR or TV which is then connected to the preamp This can be addressed as follows Disconnect all cables which come from outside the room such as cable TV satellite TV or roof top antennas Make sure that they are disconnected where they first enter the room so they are making no connection to your preamplifier TV or any other compo nent If the hum is caused by the cable TV line then you will need a ground loop isolator This is an inexpensive device fitted in line with the coaxial cable feed If the hum persists disconnect all the source components one at a time from the back of the preamplifier until you identify the problem Ground loop isolators are available for audio lines and video Once you have identified which components are causing a problem you can fit the isolators be tween the component and the preampli fier No Auto Turn off The subwoofer should go into standby mode after approximately fifteen min utes with no audio signal present If not check there is no background hum The subwoofer may sense hum as a small signal and stay on See the above hints to eliminate the hum No Auto Turn on The subwoofer should turn on come out of standby mode when an audio signal is applied or 12 VDC is applied to the Trigger inputs or if the Start button is pressed If it does not then check the following Check t
26. n sub jected to negligence accident or dam age by circumstances beyond Sunfire s control including but not limited to lightning flood electrical surge tornado earthquake or any other catastrophic events beyond Sunfire s control or to improper operation maintenance or storage or to other than normal use of service With respect to equipment sold by but not manufactured by Sunfire the warranty obligations of Sunfire shall in all respects conform and be limited to the warranty actu ally extended to Sunfire by its supplier The foregoing warranties do not cover reim bursement for labor transportation removal installation or other expenses which may be incurred in connection with repair or replacement Except as may be expressly provided and authorized in writing by Sunfire Sunfire shall not be subject to any other obligations or liabilities whatsoever with respect to equip ment manufactured by Sunfire or services rendered by Sunfire Sunfire User s Manual THE FOREGOING WARRANTIES ARE EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESSED AND IMPLIED WARRANTIES EXCEPT WARRANTIES OF TITLE IN CLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR POSE ATTENTION TO OUR VALUED CONSUMERS To insure that consumers obtain qual ity pre sale and after sale support and service Sunfire products are sold exclusively through authorized dealers Sunfire products are not sold
27. n you have just CAUTION ATTENTION A RISK OF ELECTRIC SHOCK RISQUE DE CHOC ELECTRIQUE Donor OPEN NS OU JARNING AVERTISSEMENT FE ns or nazanoous enenor energie ELECTRIQUE MaKe PROPER SPEAKER DANGEREUSE VOIR 7 za LJ 9 2 io X 11 100 120V 720W 50 60 Hz amp 11382 Teal installed your system turn this down before turning on your subwoofer This will prevent any loud surprises Phase Control This control changes the relative phase of the subwoofer with respect to the other speakers Use this control to help blend the subwoofer with the rest of the system This is accomplished by adjusting the control in small incre ments as you listen for the most bass at your listening position As a final trim readjust the Crossover Frequency and Volume controls after the Phase has been set Trigger Input The trigger input can be used to automatically turn on the subwoofer from Standby mode To do this connect 12 VDC to the posi tive terminal and ground to the negative terminal Home Theater preamplifiers such as the Sunfire Theater Grand series have matching 12 VDC Trigger outputs When they are turned on the subwoofer will turn on Sunfire User s Manual Sunfire User s Manual Line Level Inputs Connect these unbalanced inputs with RCA type patch cords to the line level outputs of your receiver or preamp If your preamplifier or receiver has a single sub LFE output
28. of the subwoofer to give the same sound pres sure level with the same tone you used in Step 1 Step 3 With both the subwoofer and the main speaker connected measure the level of the tones at the available frequencies Because the crossover is set too high you will have a peaked response Adjust the crossover control to get the smoothest response 18_ Step 4 Use the phase control to make the response even smoother It has its biggest effect at the crossover frequency You can iterate between the crossover and the phase controls Keep your hands off the level control It was set correctly in step 2 Step 5 Listen to the subwoofer Resist all temptations to turn up the level control Play something with really deep bass to confirm that your subwoofer is working Control settings Use this drawing to record some of your favorite settings FREQ 100 Hz 0 dB Bypass gt lt FREQ 100 Hz 0dB i Bypass FREQ J 100 Hz 0 dB Bypass Sunfire User s Manual Specifications Amplifier Output 1400 watts rms 3 3 Q impedance High Cut Filter 30 Hz 100 Hz adjustable with a Bypass position Frequency Response 30 Hz 100 Hz Power Line Voltage US model 100 120 VAC 50 60 Hz Fuse Rating 6A slow blow International model 220 240 VAC 50 60 Hz Fuse Rating 4A slow blow Dimensions Height 8 5 inches 21 6 cm Width 8 9 inches 22 6 cm Length 10 1 inches 2
29. procedure will take into account the effect of both subwoofers as they play in the room 17 Sunfire User s Manual Adjusting the controls There are two main methods for adjust ing the level crossover frequency and phase of the Sunfire Subwoofer to match a system Bob Carver s preferred method By listening and making the adjustments to suit your taste Laboratory method By measuring the output and adjusting for a flat frequency response Excellent results can be obtained if you make the adjustments based on simply listening This is Sunfire s preferred meth od as it allows the system to be voiced based on what sounds the best whereas laboratory flat frequency response can often be clinical and less than exciting The following procedure is for those who prefer a more methodical and scientific approach This excerpt is from The Audio Critic issue 24 page 31 written by contributing editor David Rich and is reprinted here with their kind permission You will need a test CD with low fre quency warble tones and a sound pres sure level meter The Radio Shack SPL meter will do fine as will the Stereophile test CD Step 1 Disconnect the subwoofer and run the main speaker with a tone in its passband 80 100Hz Measure the level Step 2 Disconnect the main speaker and reconnect the subwoofer Set the subwoofer to its highest crossover frequency Set the level control
30. st results it is recommended that the subwoofer crossover in your receiver or processor be set to its maximum set ting or bypass This ensures that the subwoofer will be properly matched to the rest of the speakers in your system The following procedure will help you start the automatic equalization Procedure 1 Install the subwoofer in the best location you can find see previous page 2 The calibration must be done while the listening room is quiet Please turn off any noisy machinery including heating or cooling systems during this process Have the kids play in the backyard and give the dog a treat to have him stop barking A small amount of noise such as quiet talking or whispering is OK 3 a gt N 10 Place the microphone in the listening position on the couch for example pointing in the direction you ll normally be facing while listening to your system Only use the microphone supplied by Sunfire Plug the microphone into the subwoof er s microphone jack Set these controls Volume to 0 dB Crossover to Bypass e Phase to 0 EQ ON OFF switch to ON Avoid making noise during this proce dure Turn on the subwoofer AC power switch Next press the START button for five seconds to enter calibration mode You will hear a loud low rumble sound coming from the subwoofer After about 10 seconds press the START button again and sound will come from the subwoofer at a di
31. this is adjusted correctly Check that your preamplifier or receiver s sub output is turned on Some systems only have a sub output signal when the front speakers are set to small If the preamplifiers subwoofer LFE output has an adjustable crossover frequency make sure that the Sunfire subwoofer s own crossover point is set higher or part of the bass range will be missing Not enough bass in a 5 1 system 5 1 Home Theater preamplifiers usually have a bass management system which allows the bass to be redirected among your speakers For example the bass normally present in the front speak ers can be redirected to play in the subwoofer or the subwoofer can play the bass from all the speakers in addi tion to its dedicated LFE low frequency effects channel Make sure that all of the bass management options are cor rectly set The preamplifier may have a way of turning the subwoofer output off entirely so check that it is always on Check that the preamplifier calibration procedure is correctly adjusted Usually the preamp will send a test tone through all the speakers in your system allowing you to adjust trim the volume of each channel until they are all playing at the same level If the bass is weak only when playing 5 1 surround sources check that your preamplifier is correctly set to decode the 5 1 surround modes such as Dolby Digital or DTS DVD discs have a menu which allows you to select w
32. vice personnel Servicing is required when 15 16 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 Confiez toute r paration un personnel qualifi Une r paration est n cessaire lorsque l appareil a t endommag de quelque fa on que ce cordon d alimentation ou la fiche est endommag liquide a t renvers ou des objets sont tomb s dans l appareil l appareil a t expos la pluie ou l humidit ne fonctionne pas normalement ou s il est tomb WARNING The mains plug appliance coupler is used as disconnect device the disconnect device shall remain readily operable AVERTISSEMENT La fiche d alimentation appareil coupleur est utilis comme dispositif de d connexion le dispositif de d connexion doit rester facilement accessible No naked flame sources such as lighted candles should be placed on the apparatus Aucune source de flamme nue telle que des bougies allum es ne doit tre plac sur l appareil 17 Protective earthing terminal The appa ratus should be connected to a mains socket outlet with a protective earthing connection Borne de terre de protection L appareil doit tre connect une prise secteur avec une prise de terre Table of Contents Safety
33. wer strip which is connected to the same outlet used by the amplifier Tape Deck Preamplifier Power strip Amplifier e we AC outlets on the same circuit breaker Sub Amplifier The subwoofer is connected to an outlet on the same circuit breaker provided that the total system current draw does not exceed the breaker current rating This arrangement will reduce the possibility of an audible hum in your system caused by a ground loop Whenever possible keep the power cords away from the signal cables or speaker wires to prevent any hum or interference being heard in the speakers Choose reliable high quality inter connect cables also called patch cords or RCA cables They should be fully shielded and as short as possible for the job The longest cable in your system will likely be to the subwoofer so choose a good quality brand Some patch cords can be a very tight fit and there is usually a preferred method of getting them off Some have to be removed with a twisting action Be gentle or you may damage the jacks of the sub woofer or your other components 10 Sunfire User s Manual Location Your subwoofer is designed to be placed in a corner and this will produce optimum performance 1 is very good positioning 2 is also excellent but may shake the back wall too much and cause things on or along the wall to rattle too much If this occurs
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