Infinity IL 50 Main / Stereo Speaker
Contents
1. INTERLUDE SPEAKER SYSTEMS Owner s Guide 150 160 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING SHOCK HAZARD DO NOT OPEN AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CUIDADO PELIGRO DE CHOQUE ELECTRICO NO ABRIR CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER 0R BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL THIS INFINITY PRODUCT ISDESIGNED FOR 120 VOLT USE ONLY FOR DETAILED SAFETY PRECAUTIONS PLEASE SEE FOLLOWING PAGE IN THIS OWNER S MANUAL FOR IMPORTANT SAFETY INSTRUCTIONS CO INTERLUDE The lightning flash with arrowhead symbol within eguilateral 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 The exclamation point within an eguilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the product Leclair avec le symbole de la fl che plac dans les limites d un triangel quilat ral est pr vu pour avertir l utilisateur de la pr sence de tension dangereuse non isol e dans l enceinte du produit qui pourrait tre d une importance suffisante pour pr senter un risque d lectrocution aux personnes Le point d exclamation da2. Any mounting of the product should follow the manufacturer s instructions and should use a mounting accessory recommended by the manufacturer 9 A Product and Cart Combination Should Be Moved with Care Quick stops excessive force and uneven surfaces may cause the product and cart combination to overturn 10 Ventilation Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating and these openings must not be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other similar surface This product should not be placed in a built in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer s instructions have been adhered to 11 Power Sources This product should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply to your home consult your product dealer or local power company For products intended to operate from battery power or other sources refer to the operating instructions 12 Grounding or Polarization This product may be equipped with a polarized alternating current line plug a plug having one blade wider than the other This plug will fit into the power outlet only one way This is a Safety feature If you are unable to in
3. counter clockwise At a certain frequency you should hear the problem lessen and the overall bass performance improve When you are satisfied that you have found the best frequency have your assistant vary the Levels slowly up and down until you have maximized the improvement If you have really keen ears you can also have the Bandwidth controls adjusted for maximum benefit While the Bass Optimization System allows the listener to fine tune the bass response to sound best in a particular room some listeners don t have the skill or desire to adjust their system by ear In order to facilitate quicker and more accurate results Infinity has developed an optional test and measurement kit that allows the user to perform a series of measurements and aids him her in properly setting the Bass Optimization System controls With the addition of this kit the Bass Optimization System becomes truly room adaptive The kit consists of the following a test CD a sound level meter that is specifically calibrated for low frequencies and something we call Q Finder a device to help find the width of the measured curve and finally a measurement template It works as follows The listener plays the tones from the test CD and records the relative output level of each test tone using the sound level meter on the provided measurement template After all the tones are complete the template contains a response curve for the frequencies below
4. 10 20 Grounding Conductors NEC Section 810 21 Electric Service Equipment Ground Clamps Power Service Grounding Electrode System NEC Art 250 Part H INTERLUDE IL50 amp 160 OWNER S GUIDE Table of Contents ii Caution iii Important Safety Precautions 1 Unpacking the Speakers Included Accessories Installing Feet Placement Controls and Connections Connection Methods 1 4 Operation Bass Optimization System Maintenance and Service D os Specifications 10 Notes INTERLUDE Infinity Interlude Series The Interlude Series of loudspeakers continues Infinity s longstanding commitment to accurate sound reproduction Our proprietary Ceramic Metal Matrix Diaphragm C M M D drivers precision dividing networks and rigid well braced enclosures combine to deliver uncompromised performance in any stereo or multichannel home theater system In addition the IL50 and 1160 incorporate Infinity s proprietary Bass Optimization System which allows you to easily and precisely fine tune the speaker s built in powered subwoofers for optimum performance in your listening room Also both models are magnetically shielded for safe placement adjacent to a television UNPACKING THE SPEAKERS If you suspect damage from transit report it immediately to your dealer Keep the shipping carton and packing materials for future use Included Accessories Spikes OOO T Bass O
5. 100Hz The user simply notes the frequency of the largest bass peak calculates the correct amount of attenuation and uses the Q Finder to determine the width of the curve These three values are dialed into the Bass Optimization System controls located on the speaker The entire process takes less than twenty minutes If your dealer does not stock the Bass Optimization System test and measurement kit you may purchase it directly from Infinity U S residents can visit our Web site at www infinitysystems com or call 1 800 553 3332 Canadian residents should contact their dealer or call 1 800 567 3275 INTERLUDE MAINTENANCE AND SERVICE The enclosure may be cleaned using a soft cloth dampened with water only to remove fingerprints or to wipe off dust The grille may be gently vacuumed Stains may be removed with an aerosol cleaner following its instructions Do not use any solvents on the grille All wiring connections should be inspected and cleaned or remade periodically The frequency of maintenance depends on the metals involved in the connections atmospheric conditions and other factors but once per year is the minimum If a problem occurs make sure that all connections are properly made and clean If a problem exists in one loudspeaker reverse the connection wires to the left and right system If the problem remains in the same speaker then the fault is with the loud speaker If the problem appears in the opposite s
6. 9mm x 235mm x 438mm 75 lb 34kg INTERLUDE 9 Notes INTERLUDE Notes INTERLUDE Valnfinity A Harman Intemational Company 2000 Infinity Systems Inc 250 Crossways Park Drive Woodbury NY 11797 USA 800 553 3332 USA Only www infinitysystems com Trademarks of Dolby Laboratories THX is a registered trademark of Lucasfilm Ltd DTS is a registered trademark of Digital Theater Systems Inc Infinity is a registered trademark of Infinity Systems Inc Printed in USA3 00 Part No 335832 001
7. ECEIVER AMPLIFIER RECEIVER SPEAKER OUTPUTS AMPLIFIER INPUTS System Type 2 Channel receiver or integrated amplifier that has no subwoofer output or Pre out Main In connectors Connection Methods 2 Channel receiver or integrated amplifier with preamp output and input connectors 2 2 Channel system with separate preamplifier and power amplifier 2 Dolby Pro Logic with THX Dolby Digital or DTS receiver with a filtered subwoofer or LFE output connector 3a Dolby Digital or DTS processor with separate power amplifiers or multichannel amplifier 3b Non THX certified Dolby Pro Logic receiver with full range subwoofer outputs 4 Subwoofer Line Level Sub Input In Out Speaker Line Level Speaker Level 120V 60HZ AC CORD Subwoofer Line Level Sub Input In Out Speaker Level 250V 250V Low Pass Filter On Low Pass Filter On Off Bass Optimization System On S Fea w O Width POWER Off Optimization System On SS Off Fea w O Width O POWER Subwoofer Line Level Sub Bass Input Low Pass Optimization In Out Filter System BLACK On 5 Of ONE CHANNEL SHOWN SURROUND RECEIVER FRONT SPEAKER OUTPI 1 LOOSEN TER
8. Filter Switch O Speaker Level Input AC Cord Input O Power Switch Bass Optimization System O Bass Optimization System Selector O Center Frequency Adjustment O Bass Optimization System Level O Bandwidth Adjustment Front Panel D Subwoofer Level Control INTERLUDE The Interlude IL50 and 1160 offer unprecedented flexibility for connecting the system to any type of audio or home theater system Consult the table at right to determine which system description most closely matches your own then follow the hook up method corresponding to that system If none of these system configurations seem to match yours consult your dealer or Infinity customer service for direction on how best to hook up your system For Methods 2 3a 3b and 4 make sure all bass management features are properly set The Audio channels should all be set to Small High Pass and the subwoofer set to On 1 LOOSEN TERMINALS BLACK 2 INSERT BARE END TIGHTEN TERMINALS 3 SET SUB INPUT SPEAKER TO SPEAKER NO STRIPE OUTPUTS 4 SET LOW PASS FILTER O ON BLACK LOOSEN TERMINALS 11 A SPEAKER OUTPUTS N INSERT BARE END TIGHTEN TERMINALS wo SET SUB INPUT TO LINE LEVEL NO STRIPE 4 SET LOW PASS FILTER ON ONE CHANNEL SHOWN PREAMP OUTPUTS INTERLUDE ONE CHANNEL SHOWN AMPLIFIER R
9. MINALS 2 INSERT BARE END TIGHTEN TERMINALS SUBWOOFER LFE OUTPUT ree uni O Width 3 SET SUB INPUT O TO LINE LEVEL NO STRIPE STRIPE TO SECOND IL50 IL60 ms 1 4 SET LOW PASS FILTER TO OFF 250V POWER O mo Off mA AC CORD ONE CHANNEL SHOWN PROCESSOR FRONT CHANNEL OUTPUT 1 LOOSEN TERMINALS SPEAKER INPUT BLACK OUTPUT SUBWOOFER LFE OUTPUT 2 INSERT BARE END TIGHTEN TERMINALS Y Connector AI TO SECOND IL50 IL60 3 SET SUB INPUT O TO LINE LEVEL NO STRIPE STRIPE Subwoofer Line Level Sub Bass 4 SET LOW PASS FILTER ae ee TO OFF 9 Speaker On On gt Level Speaker Level Foi O Width 250V POWER O s Off AC CORD DO NOT OPEN INTERLUDE BLACK LOOSEN TERMINAL D INSERT BARE END TIGHTEN TERMINAL SET SUB INPUT TO LINE LEVEL wo NO STRIPE SET LOW PASS FILTER TO ON gt Final Positioning After correctly connecting the loudspeaker and verifying that both the subwoofer and main section portions are playing itis time to optimize the system for your particular listening room Earl
10. d to optimize the low frequency characteristics of the speakers to the room they are in exactly as the professional sound engineers do it Preparations Before beginning the bass tests please check the following Make sure all three Bass Optimization System controls and on both speakers are turned fully clockwise Make sure the loudness contour if any on your receiver processor preamp is turned off Set the tone controls Bass and Treble to their center or flat positions Bypass all surround and effects features of your receiver processor preamp or set to Stereo Bypass If you are using a multichannel surround processor or receiver make sure all bass management features are properly set The Audio channels should all be set to Small High Pass and the subwoofer set to On Set the Bass Optimization System selectors to On For best results it is recommended that all major furnishings are in place and that all doors and windows in the listening area are in their normal positions That is if you normally listen to music with all doors closed then this is how they should be during this procedure To solve a problem it helps to first identify whether you have one and if so what it is First play a variety of music and films with energetic bass sounds like bass guitar kick drum keyboards etc kick drum should produce a tight thump not a flabby boom Bass m
11. elody or harmony lines should have notes that are about equally loud If some notes disappear or stand out because they are consistently too loud there is a problem Disappearing notes have to be handled by moving the listening position or the loudspeakers to slightly different locations Often but not always this will be enough Excesses in bass tend to be most annoying and energetic resonances that cause boomy or lumpy bass can be truly aggravating over a period of time Infinity s Bass Optimization System can fix this So the first step is to exercise your music collection and listen for low frequency problems that crop up in several different recordings Something that only happens in one recording is likely to be a problem in the recording it happens If you identify something that is consistently wrong select a record that shows it very clearly and put your CD DVD player into a repeat mode A B repeat is especially helpful because you can isolate a short musical passage INTERLUDE NOTE It is important that you make the same adjustments to both loudspeakers Set the Bass Optimization System Bandwidth adjustments to a middle position 10 clicks from a fully clockwise position and set Level adjustments for a 6dB 8 clicks from a fully clockwise position Then while the music is playing sit in your favorite chair and have somebody else slowly adjust the Frequency controls from fully clockwise to fully
12. ier you placed the loudspeakers in their general location Finding the exact location for optimum performance sometimes only involves moving the speakers a few inches in any direction We urge you therefore to experiment with placement until your speakers deliver their full potential When the speakers are moved inward toward each other there is generally better focus of instruments and vocalists however moving the speakers too close together can reduce the spaciousness of the stage effect and you may need to experiment with the trade off between focus and imaging If your listening room is larger than average and your listening position is relatively far from the speakers wider placement of the speakers may be required CC INTERLUDE ONE CHANNEL SHOWN RECEIVER SUBWOOFER OUTPUTS Subwoofer Line Level In Out Speaker Level Sub Input Low Pass Filter Speaker On Line gt Level OUTPUTS Bass Optimization System On ES oft Freq wa POWER m OPERATION Power On Plug your speakers AC cords into a wall outlet Do not use the outlets on the back of the receiver Initially set the subwoofer Level Controls to the 0 position Turn on your subwoofers by pressing the power buttons on the rear panel of the speakers Turn on your entire audio system and start a CD or
13. movie sound track at a moderate level Adjust Gain Turn both subwoofer Level Controls up to the 5 position half way If no sound emanates from the subwoofers check the AC line cords and input cables Are the connectors on the cables making proper contact Are the AC plugs connected to live receptacles Have the power buttons been pressed to the On position Note The Level Control on the front panel will turn green when the power is on and there is a signal present After about ten minutes with no audio signal the indicator will turn red Once you have confirmed that the subwoofers are active proceed by playing a CD record or cassette Use a selection that has ample bass information Set the overall volume control of the preamplifier or stereo to a comfortable level Adjust the subwoofer Level Controls until you obtain a pleasing blend of bass Bass response should not overpower the room but rather be adjusted so there is a harmonious blend across the entire musical range Many users have a tendency to set subwoofer volume too loud adhering to the belief that a subwoofer is there to produce lots of bass This is not entirely true A subwoofer is there to enhance bass extending the response of the entire system so the bass can be felt as well as heard However overall balance must be maintained or the music will not sound natural An experienced listener will set the volume of the subwoofer so its impact on ba
14. ns un triangel quilateral est pr vu pour avertir l utilisateur de la pr sence d instructions importantes pour les op rations et l entretien service dans les manuels fournis avec l appareil ATTENTION POUR EVITER LES CHOCS ELECTRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQUAU FOND Este destello luminoso con un simbolo de punta de flecha dentro de un triangulo equil tero tiene el objectivo de alertar al usuario sobre la presencia de voltaje peligroso no aislado dentro de la caja del producto que puede ser de magnitud lo suficientemente grande para constituir un riesgo de choque el ctrico para las personas Este punto de exclamaci n dentro de un tri ngulo equil tero tiene el objectivo de alertar al usuario sobre la existencia de instrucciones operativas y de mantenimiento servicio importantes en la literatura que acoma a el aparato CUIDADO PARA REDUCIR EL RIESGO DE CHOQUE EL CTRICO NO RETIRE LA CUBIERTA O RESPALDO DENTRO NO HAY PEIZAS A LAS QUE EL USUARIO PUEDE DAR SERVICIO REMITA EL SERVICIO AL PERSONAL DE SERVICIO CALIFICADO IMPORTANT SAFETY PRECAUTIONS Read First CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN 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 product s enclosure that may be of sufficient magnitude to con
15. peaker the cause is in another component or cable In the event that your Interlude loudspeaker system ever needs service contact your local Infinity dealer or Infinity directly at 1 800 553 3332 or www infinitysystems com for a service center near you Freguency Range Recommended Amplifier Power Range Subwoofer Amplifier Output In to 8Q from 20Hz 100Hz with no more than 0 1 THD Sensitivity 2 83V 1 meter Nominal Impedance Crossover Frequency Low Frequency Driver Mid Bass Driver Midrange Driver High Frequency Driver Dimensions H x W x D Weight SPECIFICATIONS IL50 32Hz 22 000Hz 348 15 150 watts 250 watts 88dB 8Q 150Hz 2500Hz 24dB octave 10 C M M D magnetically shielded 6 1 2 C M M D magnetically shielded N A 1 C M M D magnetically shielded 42 x 8 3 4 x 14 1 2 1067mm x 222mm x 368mm 60 Ib 27kg Infinity continually strives to update and improve existing products as well as create new ones The specifications and construction details in this and related Infinity publications are therefore subject to change without notice IL 60 28Hz 22 000Hz 3dB 15 175 watts 500 watts 8908 80 150Hz 500Hz 2800Hz 24dB octave 12 C M M D magnetically shielded 6 1 2 C M M D magnetically shielded 4 CM M D magnetically shielded 1 C M M D magnetically shielded 48 x 9 1 4 x 17 1 4 121
16. pilled into the product or c The product has been exposed to rain or water or d The product does not operate normally when following the operating instructions Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation or e The product has been dropped or damaged in any way or f The product exhibits a distinct change in performance this indicates a need for service 22 Replacement Parts When replacement parts are reguired be sure the service technician has used replacement parts specified by the manufacturer or that have the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other hazards 23 Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the product is in proper operating condition 24 Wall or Ceiling Mounting The product should be mounted to a wall or ceiling only as recommended by the manufacturer 25 Heat The product should be situated away from heat sources such as radiators heat registers stoves or other products including amplifiers that produce heat Antenna Lead In Wire Ground Clamp Antenna Discharge Unit NEC Section 8
17. ptimization System Adjustment Screwdriver 6 Refer to Figure 1 as you perform the following steps 1 Open each accessory pack and locate the following items four feet with spike round ends four locking nuts four nylon domes and one wrench 2 Lay each speaker on its side and locate the four threaded holes on the bottom 3 For carpets screw the round end of a foot into each hole and hand tighten a nut onto each one Leave a minimum of 5 8 of exposed spike On thicker carpets you can increase the length of exposed spike up to 1 1 8 For hard surface floors screw the spike end into each hole instead and leave 5 8 of round end exposed 4 Carefully flip each speaker upright to sit on its feet 5 If needed adjust the feet so each speaker is level and then tighten each nut with the enclosed wrench To protect hard surfaces e g wood floors slip a nylon dome onto each round end Bottom of Speaker lt x Locking Nut gt 5 8 min 11 8 max lt Foot round end spike end v 1 Nylon Dome optional for y wood floors e KA Y CARPETED HARD SURFACE FLOORS FLOORS This cross section shows how to install a foot onto the bottom of an IL50 or IL60 floorstanding speaker INTERLUDE stereo Before deciding where to place your Interlude speakers survey your room and think about placement keeping the following points in mind For best results place the
18. sert the plug fully into the outlet try reversing the plug If the plug should still fail to fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the polarized plug 13 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the product 14 Nonuse Periods The power cord of the product should be unplugged from the outlet when left unused for long periods of time 15 Outdoor Antenna Grounding If an outside antenna or cable system is connected to the product be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built up static charges Article 810 of the National Electrical Code ANSI NFPA 70 provides information with regard to proper grounding of the mast and Supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electrodes and requirements for the grounding electrode See Figure A 16 Lightning For added protection for this product during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the antenna or cable system This will prevent damage to
19. speakers 6 8 apart Position each speaker so that the tweeter is approximately at ear level Generally bass output will increase as the speaker is moved closer to a wall or corner Refer Home Theater below if you also plan to use the speakers for home theater reproduction Home Theater For front channel use place one speaker on the left and another on the right along either side of the television monitor Since the speakers are magnetically shielded you can place them close to the TV without worrying about the magnetic field distorting the TV picture INTERLUDE Left Channel L Listening Position Right Channel Experiment with speaker placement to obtain the best bass level and stereo imaging in your room Front a Left Channel Center Channel Left Listening Position Surround Channel Channel L Right Surround Channel This overhead view shows a typical home theater plan CONTROLS AND CONNECTIONS Rear Panel Subwoofer Line Level Sub 00 Input Low Pass In Out Speak Speaker Level 120V 60HZ 3A 250V t OF CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN Bass Optimization System On Ce Off Freq 2 POWER Subwoofer Line Level In Connector Subwoofer Line Level Out Connector Subwoofer Input Selector O Low Pass
20. ss response is always there but never obtrusive Bass OPTIMIZATION SYSTEM Infinity s Bass Optimization System is a simple to use yet sophisticated low frequency calibration system Each Interlude IL50 or IL60 subwoofer contains a parametric equalizer that you can adjust by following the directions below By following these instructions you can improve the sound of your system The Bass Optimization System Goal Itis a fact of audio that what we hear at low frequencies is determined as much or more by the listening room than by the loudspeaker itself Placement of the loudspeakers and listeners and the acoustical characteristics of the room surfaces are all important determinants of bass quantity and quality In most practical situations there is little that can be done about this except for patient trial and error repositioning of the loud speakers and listeners Usually the practical constraints of a living space and the impracticality of massive acoustical treatment mean that equalization is the only practical solution Professional sound engineers routinely employ sophisticated measurement systems and equalizers to optimize speakers to the installation This was never practical for the home audiophile This is why the Bass Optimization System was created It enables you to identify the dominant low frequency response characteristic of your room Once you know the problem the Bass Optimization System provides the tools neede
21. stitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance 1 Read Instructions All the safety and operating instructions should be read before the product is operated 2 Retain Instructions The safety and operating instructions should be retained for future reference 3 Heed Warnings All warnings on the product and in e operating instructions should be adhered to 4 Follow Instructions All operating and use instructions should be followed 5 Cleaning Unplug this product from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning 6 Attachments Do not use attachments not recommended by the product manufacturer as they may cause hazards 7 Water and Moisture To reduce the risk of fire or electric shock do not use this product outdoors or near water for example near a bathtub wash bowl kitchen sink or laundry tub in a wet basement near a swimming pool or the like 8 Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury to a child or adult and serious damage to the product Use only with a cart stand tripod bracket or table recommended by the manufacturer or sold with the product
22. the product due to lightning and power line surges 17 Power Lines An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits or where it can fall into such power lines or circuits When installing an outside antenna system extreme care should be t taken to keep from touching such power lines or circuits as contact with them might be fatal Figure A Example of Antenna Grounding as per National Electrical Code ANSI NFPA 70 18 Overloading Do not overload wall outlets extension cords or integral convenience receptacles as this can result in a risk of fire or electric shock 19 Object and Liquid Entry Never push objects of any kind into this product through openings as they may ouch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill iguid of any kind on the product 20 Servicing Do not attempt to service this product yourself aS opening or removing covers may expose you to dangerous voltage or other hazards Refer all servicing to qualified service personnel 21 Damage Requiring Service Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions a The power supply cord or the plug has been damaged or b Objects have fallen onto or liquid has been s
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