Infinity PS-8 Subwoofer
Contents
1. As a result specific location of the subwoofer becomes important and we strongly recommend that you experiment with placement before choosing a final location Placement will depend upon your room and the amount and quality of bass required for example whether or not your room permits placement of the subwoofer near either satellite Be sure to leave a minimum of six inches between the wall and the port on the subwoofer lt SUB UU ps RIGHT CHANNEL SPEAKER PRIMARY LISTENING AREA Figure 1 This example shows the subwoofer positioned behind the right channel satellite speaker to re create the actual ocation of bass instruments in an orchestra and or add impact to movie soundtracks PS 8 CONTROLS AND CONNECTIONS Rear Panel Infinity Systems H A Harman International Company WInfini RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING SHOCK HAZARD DO NOT OPEN AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE PS 8 AVERTISSEMENT POUR PR VENIR LES RISQUES D INCENDIE O DE CHOC LECTRIQUE EVITER D EXPOSER CET APPAREIL A LA PLUIE OU A LHUMIDITE LEVEL e win ax CROSSOVER 2 50 Hz 150 180 pusi aif LINE LFE L OOO HIGH LEVEL INPUT O O Q Q FUSE T 2 5A L 250V TYPE 200 Watts WARNING FOR CONTINUED PROTECTION AGAINST RIS2. ultradeep bass sounds required by today s films and music If you are using smaller bookshelf speakers that do not extend to the lower bass frequencies set the Crossover Adjustment control to a higher setting between 120Hz and 150Hz NOTE This control will have no effect if the LFE Input is used If you have a Dolby Digital or DTS processor receiver the Low Pass Frequency is set by the processor receiver Consult your owner s manual to learn how to view or change this setting MAINTENANCE AND SERVICE The enclosure may be cleaned using a soft cloth 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 speaker the cause is in another component or cable In the event that your subwoofer ever needs service contact your local Infinity dealer or Infinity directly a
3. into a wall outlet Do not use the outlets on the back of the receiver Initially set the Subwoofer Level Control to the min position Turn on your sub by pressing the Power Switch on the rear panel Turn on your entire audio system and start a CD or movie sound track at a moderate level Auto On Standby With the Power Switch in the ON position the LED on the front panel will remain lit in red or green to indicate the On Standby mode of the subwoofer RED STANDBY No signal detected Amp Off GREEN ON Signal detected Amp On The subwoofer will automatically enter the Standby mode after approximately 10 minutes when no signal is detected from your system The subwoofer will then power ON instantly when a signal is detected During periods of normal use the Power Switch can be left on You may turn off the Power Switch for extended periods of nonoperation e g when you are away on vacation Adjust Level Turn your Subwoofer Level Control up to the 5 position halfway If no sound emanates from the subwoofer check the AC line cord and input cables Are the connectors on the cables making proper contact Is the AC plug connected to a live receptacle Has the Power Switch been pressed to the On position Once you have confirmed that the subwoofer is active proceed by playing a CD record or cassette Use a selection that has ample bass information Set the overall volume control of th
4. 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 22 When replacement parts are required 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 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 The product should be mounted to a wall or ceiling only as recommended by the manufacturer Antenna Lead In Wire Ground Clamp Antenna Discharge Unit NEC Section 810 20 Grounding Conductors NEC Section 810 21 Electric Service Equipment Ground Clamps Power Service Grounding Electrode System NEC Art 250 Part H NTRODUCTION Infinity PS 8 The Infinity PS 8 powered subwoofer continues Infinity s longstanding commitment to accurate sound reproduction Our proprietary technology and engineering resources work together to deliver uncompromised low frequency performance in any stereo or multichannel home theater Unpacking the Subwoofer If you suspect damage from transit report it immediately to your dealer Keep the shipping carton and packing materials for future use PLACEMENT Since the
5. Infinity Powered Subwoofer PS8 Owner s Guide 120V Read First CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION To prevent electric shock do not use this polarized plug with an extension cord receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure 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 constitute a tisk 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 these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use this apparatus near water 6 Clean only with a dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide
6. K OF FIRE REPLACE ONLY WITH SAME TYPE OF FUSE AVERTISSEMENT UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE Subwoofer Level Control Crossover Adjustment Phase Switch O LFE Input Line Level Inputs 0 High Level Inputs Power Switch SUBWOOFER CONNECTIONS CHOOSE THE SUBWOOFER CONNECTION THAT 1S Most SUITABLE FOR YOUR RECEIVER PROCESSOR If you have a Dolby Digital or DTS receiver processor with a low frequency effects LFE or subwoofer output BWOOFER OR SUBWOOFER 0 LFE OUTPUT If your receiver processor does not have subwoofer outputs for the left and right channels or an LFE output connect speaker wire from your receiver amplifier to your speakers and subwoofer using two sets of speaker wire LEVEL ef MIN MAX CROSSOVER gt 0 Hz 150 18095 I 600 RECEIVER AMPLIFIER Front Speaker Output LEFT SPEAKER SPEAKER If your receiver processor does not contain a Dolby Digital or DTS processor but has a subwoofer output RECEIVER PROCESSOR SUB OUT CROSSOVER NOTE Some receivers have one subwoofer output In that case it is recommended that you use a Y connector not included to maximize performance 1 LOOSEN TERMINALS 2 INSERT BARE END TIGHTEN TERMINALS NO STRIPE STRIPE This figure shows how to connect bare wires to the terminals PS 8 OPERATION Power On Plug your subwoofer s AC cord
7. blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over PS 8 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when 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 15 Do not use attachments not recommended by the product manufacturer as they may cause hazards 16 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 source
8. e preamplifier or stereo to a comfortable level Adjust the Subwoofer Level Control 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 the 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 bass response is always there but never obtrusive Phase Control The Phase Switch determines whether the subwoofer speaker s piston like action moves in and out with the main speakers 0 or opposite the main speakers 180 Proper phase adjustment depends on several variables such as room size subwoofer placement and listener position Adjust the phase switch to maximize bass output at the listening position CE PS 8 Crossover Adjustments The Crossover Adjustment control determines the highest frequency at which the subwoofer reproduces sounds If your main speakers can comfortably reproduce some low frequency sounds set this control to a lower frequency setting between 50Hz and 100Hz This will concentrate the subwoofer s efforts on the
9. installation of a subwoofer can be somewhat more complicated than installing full range speakers it is essential that you read this section very carefully prior to connecting the subwoofer to your system Should you have questions relating to your installation it is advisable to call either your dealer or Infinity s Customer Service Department for advice The performance of the subwoofer is directly related to its placement in the listening room and how you align the subwoofer with its satellite speakers Setting the volume of the subwoofer in relationship to the left and right speakers is also of critical importance because itis essential that the subwoofer integrate smoothly with the entire system Setting the subwoofer s volume level too high will result in an overpowering boomy bass Setting the volume level too low will negate the benefits of the subwoofer Here are several additional facts on installation that may prove useful It is generally believed by most audio authorities that low frequencies below 125Hz are nondirectional and therefore placement of a subwoofer within any listening room is not critical While in theory it is true that the larger wavelengths of extremely low frequencies are basically nondirectional the fact is that when installing a subwoofer within the limited confines of a room reflections standing waves and absorptions generated within the room will strongly influence the performance of any subwoofer system
10. s refer to the operating instructions 17 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 Figure A Example of Antenna Grounding as per National Electrical Code ANSI NFPA 70 ae 18 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 taken to keep from touching such power lines or circuits as contact with them might be fatal 19 Do not overload wall outlets extension cords or integral convenience receptacles as this can result in a risk of fire or electric shock 20 Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the product 21 Do not attempt
11. t 1 800 553 3332 or www infinitysystems com for a service center near you SPECIFICATIONS Frequency Response Maximum Amplifier Output 20Hz 150Hz with no more than 0 1 THD Crossover Frequencies Driver Dimensions H x W x D Weight PS 8 35Hz 150Hz 308 100 watts RMS 50Hz 150H7 24dB octave continuously variable 8 17 1 2 x10 5 8 x 16 3 4 445mm x 270mm x 426mm 33 Ib 15kg 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 PS 8 Wlnfinity TECHNOLOGY PERFORMANCE lt DESIGN 2003 Harman International Industries Incorporated Infinity Systems 250 Crossways Park Drive Woodbury NY 11797 USA 800 553 3332 USA only www infinitysystems com Trademark of Dolby Laboratories DTS is a registered trademark of Digital Theater Systems Inc Infinity is a registered trademark of Harman International Industries Incorporated Part No 406 000 00895 3 03 H A Harman International Company
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