PSB Image Sub Sonic 6i Subwoofer
Contents
1. Additionally you may need to use Y connectors at the Preamplifier Output to also send signals to the Power Amplifier Main Input Connecting Stereo Equipment with High Speaker Level SEE FIGURE 5 page 18 You also can get excellent sonic results by connecting the High Speaker Level Output of your receiver integrated amplifier or power amplifier to the High Level Input of the subwoofer Use standard speaker cable and maintain polarity as well as right and left side High Speaker Level Output from the subwoofer allows speaker wires to be run onwards easily from the subwoofer directly to the main speakers This replaces running wires from the receiver or amplifier to the main speakers The signals from the SubSonic 5i to the main speakers are looped through full range C THE SUBSONIC 6 1 Connecting Home Theater Equipment SEE FIGURE 3 page 16 Please see the instructions for the SubZero i Connecting Stereo Equipment using Low Line Level SEE FIGURE 4 page 17 If your receiver or integrated amplifier has preamplifier out puts or if you are using a separate preamplifier the preferred connec tion is from the Preamplifier Outputs of the electronics to the Low Line Level Inputs of the subwoofer Use a dual RCA audio cable and maintain right and left You may need to use Y connectors at the preamplifier outputs to also send signals to the Power Amplifier Main Inputs 13 VII Connecting the Low Line Level Outputs f2. OO Fo 9 wwa TEA INPUT FROM TOAND PREAMP meen O Em Figure 2 SubSonic 6i back plate used for illustration G POWER SWITCH The Power Switch turns the PSB subwoofer on and off As the subwoofer draws only an extremely small current when idle this may be left normally on and turned off only when you do not expect to use the subwoofer for an extended period The Power Switch must be in the on position for normal operation H AMPLIFIER PANEL The metal provides cooling for the PSB subwoofer s internal amplifier by radiating heat produced in normal operation Allow air circulation including at least four inches clearance from wall or furnishings LOW LINE LEVEL JACKS Connect the PSB subwoofer to a Separate component preamplifier or to an integrated amplifier or receiver with preamplifier out main in facilities at line level See VI Connecting The Subwoofer to Your Audio System PHASE SWITCH Selects the subwoofer output phase between in phase 0 and out of phase 180 to compensate for the low to mid bass acoustic effects of different placement locations and listening rooms See VII Setup Calibration LFE INPUT CROSSOVER BYPASS SWITCH When active the subwoofer variable low pass filter is bypassed so that this function can be accomplished by the low pass filter within a receiver processor See Vil Setup Calibration EXTE
3. Figure 1 located on the front of the subwoofer B ON INDICATOR LIGHT E HIGH SPEAKER LEVEL TERMINALS The light is located between the control knobs With both the 120 Connect the PSB subwoofer to and 230 volt versions the receivers or integrated amplifiers subwoofer is initially in stand by equipped with speaker outputs mode awaiting the presence of an only See VI Connecting The audio signal When the subwoofer Subwoofer to Your Audio receives an audio signal the On System indicator will illuminate At the end of the audio signal the subwoofer F AC POWER SOCKET will stay on for approximately 15 minutes Supplies AC power to the PSB subwoofer Connect the supplied power cord to the AC power socket Plug the power cord into any standard wall outlet With 230 volt versions in some countries it may be necessary to replace the power cord to meet the standards in use locally The same receptacle as the rest of the system or another on the same electrical circuit C AC POWER CONNECTION should be used to avoid ground hum The PSB subwoofer has its own self contained amplifier and thus requires AC power keep this in mind when selecting a location You may plug the power cord into any standard wall outlet and leave the connection in the wall as the PSB subwoofer draws extremely little current when idle You may want to unplug your PSB subwoofer when it will not be used for an extended period such as a vacation e Boo
4. ser wort la H 305 epe P ATTENTION an Eez MODEL ONLY ue POWER SEE PILE auPLIFIER A 7 125A 250V 1 l I I I SubSonic 6 CE A l l I 1 B Ps RA JE ALTERNATE a A RECEIVER OR INTEGRATED AMPLIFIER WITH PRE AMP OUT C n AND MAIN IN JACKS RIGHT SPEAKER LEFT SPEAKER Hook up same for all models SubSonic 6 Back Plate used for illustration Le raccordement est le m me pour tous les mod les Plaque arri re SubSonic 6 utilis e pour fins d illustration La conexi n es la misma para todos los modelos Se usa el panel posterior del SubSonic 6 como For this type of connection two RCA Y adapters are required to be plugged into the pre out jacks of a preamplifier or integrated amplifier or receiver Pour ce genre de connexion il faut brancher deux adaptateurs en lt lt Y gt gt RCA sur les prises de sortie d un pr amplificateur d un amplificateur int gr ou d un r cepteur Para esta conexi n se necesita enchufar dos adaptadores RCA tipo Y a los conectores de salida de un preamplificador amplificador integrado o receptor 19 VIII SPECIFICATIONS SubZero i FREQUENCY RANGE Anechoic Chamber Response On Axis 0 3dB 36 150Hz LF Cutoff 10dB 32Hz AMPLIFIER POWER INTERNAL Continuous Dynamic Peak Type ACOUSTIC DESIGN Woofer Crossover Internal Volume Design Type SIZE WEIGHT Ne
5. The same receptacle as the rest of your audio video system or another on the same electrical circuit should be used to avoid ground hum Set the sub woofer s Sub Cut Off Frequency control to its midpoint and the phase switch to 0 Flip the Power Switch to the on position Play a bass rich program source and slowly bring up the Sub Volume control clockwise until the subwoofer contributes a natural level of low frequency sound Now please read the rest of this guide and fine tune your installation accordingly it will be time well spent 5 IV FEATURES CONTROLS AC POWER A SUB VOLUME CONTROL D SUB CUT OFF FREQUENCY CONTROL Adjusts the output level of the PSB subwoofer only This is Adjusts the high frequency roll off of not intended as a day to day signals sent to the subwoofer volume control See VII Setup Continuously variable from 50Hz to Calibration 150Hz for precise matching of subwoofer bass reproduction with the The PSB subwoofer includes main left and right stereo speakers designed in dynamic range See VII Setup Calibration protection it is virtually impossible to overdrive the subwoofer regardless of volume setting orthe demands of the program material VOLUME CROSSOVER Where even higher levels of low 7 0 100 frequencies are required a second v 500 0130 PSB subwoofer can provide a significant gain in total bass levels
6. interactive Raising the latter while lowering the former can have the effect of extending deep bass response somewhat with a small sacrifice in overall loud ness capability this will still be well beyond the full range loudness capability of most systems In general for well recorded acoustic music the lowest Sub Cut Off Frequency setting that yields a smooth transition between subwoofer and main speakers is often the best choice and will promote deeper low bass extension Note The Sub Volume control is not a bass boost or volume control It is a set and forget adjustment not intended for day to day adjustment Use your preamplifier or receiver integrated amp tone controls to modify program tonal balance SubZero i SubSonic 5i SubSonic 6i With SUBWOOFER LFE INPUT INTEGRATION avec R CEPTEUR A V ENTR E LFE INTEGRACI N con RECEPTOR de AUDIO VIDEO ENTRADA LFE Figure 3 SubZero i CE MODEL ONLY SEE A 250V 220 240V 50 60HZ m Hook same for all models SubZero i o AREA gt Back Plate used for illustration Le raccordement est le m me pour tous les mod les Plaque arri re SubZero utilis e des fins d illustration SPKR R SPKR L RECEIVER INTEGRATED AMPLIFIER La conexi n es la misma para lodos los gig e Ple PREAMPLIFIER OR modelos Se usa el panel posterior del SUBILFE OUT PROCESSOR SubZero i como ilustraci n RIGHT LEFT SPEAKER E SPEAKER Us
7. large with its limits so great that it can never be overloaded especially with modern movie soundtracks For this reason PSB subwoofers incorporate very intelligently applied proprietary limiting circuitry to prevent audible overload The limiting circuitry of all PSB subwoofers is a combination of peak limiting circuits that hold amplifier signal swing to the point just short of the amplifiers clipping and compression circuitry that will come in under conditions of long term overload and reduce the amplifiers gain The trick is to apply these circuits in such a way that they don t squeeze the life out of the music or movie sound track to allow the dynamics to get through while preventing gross distortion We do this by being mindful of the dynamics of music and carefully tailoring the time constants of the circuits to that of music For example it is known that most music is performed with a beat of 80 to 140 beats per minute Our test signals are configured to follow this timing and allow maximum transient effect without distortion on sustained tones We go to great lengths to reduce any mechanical noises our subwoofers may make Woofers are designed never to bottom harshly Ports have large radius end flares to reduce noise from turbulence Cabinets and amplifiers are designed so that no air leaks which can contribute minute amounts of noise are possi ble All of our designs are exhaustively tested A subwoofers design isn t com plete unti
8. ceiling side walls and end walls unless any of these dimensions are the same An ideal listening room would have no parallel surfaces an unusual situation to say the least so that such waves would not establish themselves The worst kind of room is a perfect cube Almost all rooms are susceptible to some standing waves at low frequencies but their effects can be minimized by careful positioning of both the speakers 8 and the listening seat Moving either of these even a few inches is sometimes enough to cure or create an intolerable sound The only way to find out what works best is by experimentation With full range speakers the range of places you can put the speakers and still get proper imaging may be fairly limited and some of these positions may result in standing waves that can t be tamed Things are more controllable through the use of a subwoofer or two Positioning of the bass speakers has almost no impact on imaging so a subwoofer can be located with only standing waves in mind Subwoofer Placement There is no argument among audiophiles that the loudest bass output from a subwoofer comes from corner placement The natural megaphone like flaring outward of walls from a room corner focuses low frequencies giving them no place to go but toward you In the case of subwoofers there is no automatic penalty in overall balance for this maximal bass since your main speakers can be located elsewhere It still may be to
9. cost A second benefit is that they tend to have high peak power relative to their steady state power The SubSonic 5i for example has 150 watts continuous but is capable of 450 watt peaks The result is a subwoofer capable of the great transients required by dynamic music and explosive sound effects SubSonic The SubSonic 6 has a design much like the 5i but with larger drive units and greater power for even more awesome output In the words of our engineering staff it Cranks pretty good Additional features of the 6 are its high and low level passive and active filtering circuits that allow greater flexibility in installation Whichever PSB subwoofer you have chosen we hope that you appreciate the attention to detail that has gone into its design and of course that you enjoy using it Please take the time to read the following sections about the placement of your subwoofer and its connections and adjustments We suggest you save the original carton and packing materials at least for an ini tial period Should you ever need to ship or store your PSB subwoofer it is the best packaging in which to do so QUICKSTART If you cannot wait to hear your new PSB subwoofer Turn off all other compo nents and follow one of the connection diagrams Connect the supplied power cord to the AC power socket Set the PSB subwoofer volume control to its min imum position counterclockwise then plug the subwoofer into an active AC outlet
10. internally processed through a passive high pass filter at 6dB octave below 100Hz to the Speaker Level Outputs of the sub woofer Connecting the Speaker Level Outputs from the subwoofer directly to the main speakers delivers the processed signal with reduced low frequency content With less low frequency demands the main speakers can play louder D Using Multiple Subwoofers SEE FIGURE 6 page 19 Particularly in difficult rooms with difficult layouts using two subwoofers is an alternative to smooth as well as increase bass response One sub woofer can be located to increase response with the second subwoofer located to smooth response The wiring of two subs in a system is illus trated in Figure 6 the two subs do not need to be identical Please refer to Section V Multiple Subwoofers for further information SET UP CALIBRATION The following procedure assumes your PSB subwoofer is installed and connect ed If possible work in a team with another person one listening one making subwoofer control adjustments 14 A Set Sub Volume to 0 Sub Cut Off Frequency to 50Hz Set any loudness bass and treble and or equalizer controls on your preamplifier or integrated amplifier or receiver or other components to their nominal midpoint or off positions Ensure the LFE Input Crossover bypass switch is set to off unless the subwoofer is connected to the LFE Subwoofer output of your receiver processor and the output is low pass filt
11. los modelos Se usa el panel posterior del SubSonic 6i como ilustraci n PREAMPLIFIER POWER AMPLIFIER pee ee RECEIVER OR INTEGRATED AMPLIFIER WITH PRE AMP OUT AND MAIN IN JACKS Rog mmm cmn gm mnn p RECEIVER OR INTEGRATED AMPLIFIER WITH PRE AMP OUT AND MAIN IN JACKS 1 This method of wiring does not limit low frequencies reaching left and right main speakers Ce c blage ne limite pas les basses fr quences atteignant les haut parleurs principaux gauche et droite LEFT SPEAKER SPEAKER Esta conexi n no limita las frecuencias bajas que llegan a los altavoces principales derecho e izquierdo Low level connections wire the subwoofer to a preamplifier or to the pre out jacks of an integrated amplifier or receiver using standard RCA cables Les raccordements bas niveau relient le haut parleur d extr me grave un pr amplificateur ou aux bornes sortie pr amplificateur d un pr amplificateur d un amplificateur int gr ou d un r cepteur au moyen de c bles RCA standard Para conexi n al nivel bajo se conecta el subgrave al pre amplificador o a los conectores pre salida de un amplificador integrado o receptor usando cables comunes tipo RCA 17 SubSonic 5i SubSonic 6i SubZero i With HIGH LEVEL INPUT and OUTPUT Avec ENTREE et SORTIE HAUT NIVEAU Con ESTRADA y SALIDA de NIVEL ALTO Figure 5 SubSonic 5 CE MODEL ONLY SEE A 11 04 250v 220 240V w 50
12. range This should be set high enough to overlap the low frequency cutoff of the satellite speakers but not high enough to localize specific sounds from the sub If the frequency response of your satellite speakers is such that the subwoofer s low pass filter must be set higher than about 80Hz in order to avoid gaps in the overall system response then you might well be able to localize specific sounds from the sub This can be very distracting when these sounds appear to come from beside or behind you One solution is to make sure the subwoofer is in the front of the listening area another is to use multiple subwoofers to make such sounds more diffuse Subwoofers also offer a phase control so the upper frequencies they produce will not cancel out the lower frequencies of the satellites A judicious tweaking of this control can pay major dividends in spectral smoothness in the crossover area Phase changes with frequency however so these controls may need read justing every time you vary the cutoff frequency Also adjustable is the overall level of the subwoofer s output Many users tend to set this too high at first in an effort to achieve truly impressive bass Again smooth response is the aim and it may well be that if you use them two sub woofers end up being set differently if for example one is in a corner and the other is not It s all part of the overall balancing act that is bass management in real rooms We get virtually
13. t let you get satisfying amounts or quality of bass There are rooms with troublesome dimensions especially as you approach a perfect cube with a closed door There is unlikely to be any combination of speaker and listener position that will be free of obvious acoustic anomalies In such a case the best way to iron out those anomalies is with two sub woofers placed carefully to work with each other This can also be true when the problem is too much or too uneven bass The overall system needs all the help it can get and that often means the use of two subwoofers each one of which corrects for the acoustic problems excited by the other For excellent results from this solution the two subs don t have to be identical It may be fine in fact to use two lesser subs to equal the performance of one with stronger specs The same crawl around the room method as previously described should be used for determining the location of the second subwoofer except in this instance one is listening for the minimum amount of bass output This is a rec ommended starting point for determining the best placement for your sub woofer s 10 VI Control Settings Once a reasonably smooth response has been achieved by careful positioning of the subwoofers the overall performance can be fine tuned by means of the con trols found on the speaker An important one is the low pass filter which con trols the upper limit of the subwoofer s frequency
14. 60HZ C a UEM UMSO OMS e roma pra 7 o Ase A o E SubZero i OPTION 1 From RIGHT RECEIVER or AMP From LEFT RECEIVER or To RIGHT SPEAKER P OE To LEFT SPEAKER From RIGHT RECEIVER or AMP From LEFT RECEIVER or AMP wo OX To RIGHT SPEAKER To LEFT SPEAKER Hook up same for SubSonic 6 SubSonic 5 Back Plate used for illustration Le raccordement est le m me pour SubSonic 6 Plaque arri re SubSonic 5i utilis e pour fins d illustration La conexi n es la misma para SubSonic 6i Se usa el panel posterior del SubSonic 5i como ilustraci n LEFT SPEAKER SPEAKER High level connections wire the subwoofer to the speaker output terminals of a receiver or amplifier just as if the subwoofer was a pair of speakers Les connexions haut niveau relient le haut parleur d extr me grave aux bornes de sorties h p d un r cepteur ou d un amplificateur comme s il s agissait d une paire d enceintes acoustiques Para conexi n al nivel alto se conecta el subgrave a las terminales de salida para altavoz de un receptor o amplificador como si se tratase de un par de altavoces 18 SubSonic SubSonic 5L SubZero i With LOW LEVEL INPUT to TWO SUBWOOFERS Avec ENTR E BAS NIVEAU vers DEUX H P D EXTR ME GRAVE Con ENTRADA de NIVEL BAJO a DOS SUBGRAVES Figure 6 SUB 1 H P D EXTR ME GRAVE N 1 H P D EXTR ME GRAVE N 2 SUB 2 RIGHT DROIT GAUCHE LEFT o psb qa
15. RNAL FUSE When you turn on the subwoofer and there is no LED light and or sound please check the fuse accessible from the rear panel to ensure it is electrically intact The fuse could have become broken during transit A spare fuse is contained within the fuse holder compartment behind the inscribed text Use a wide slot screwdriver to pry the fuse holder compartment from the AC power socket If it is necessary to replace the fuse use a fuse equivalent to the type and rating of the fuse shipped with the product See the specifications page at the end of the manual for a detail description of the fuse required for your model of subwoofer ROOM ACOUSTICS SUBWOOFER PLACEMENT MULTIPLE SUBWOOFERS amp CONTROL SETTINGS Room Acoustics If you are critical about low frequency response there s quite a bit of useful experimentation you can do especially in combination with the crossover level and phase controls of our subwoofers Since the earliest days of high fidelity one of the main challenges for the designers of speakers and of their users has been management of the lowest frequencies the deep bass Many of the most notable developments in speaker design have been made with a view to getting more bass output from smaller boxes One consideration is the size of the listening room The larger the volume of air a speaker must excite the more acoustic output you will require from it to achieve the sound levels you want In a
16. VI Vil VIII SubSonic Gi SubSonic 5i SubZero i Powered Subwoofers OWNER S GUIDE IMPORTANT SAFETY INSTRUCTIONS INTRODUCTION Il FEATURES CONTROLS AC POWER QUICKSTART Sub Volume Control Figure 1 On Indicator Light Figure 1 AC Power Connection Sub Cut Off Frequency Control Figure 1 High Speaker Level Terminals Figure 2 AC Power Socket Figure 2 External Fuse Figure 2 Low Line Level Jacks Figure 2 Phase Switch Figure 2 LFE Input Crossover Bypass Switch Figure 2 Power Switch Figure 2 Amplifier Panel Figure 2 TFAmCCIOmmoomrm ROOM ACOUSTICS SUBWOOFER PLACEMENT MULTIPLE SUBWOOFERS amp SETTING THE CONTROLS CONNECTING THE SUBWOOFER TO YOUR AUDIO SYSTEM A TheSubZero i B The SubSonic 5i C The SubSonic 67 D Using Multiple Subwoofers SET UP CALIBRATION SPECIFICATIONS www psbspeakers com e Phone 888 772 0000 or 905 831 6555 SP EAKERS DX Ord NO 15 16 17 IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarize
17. d 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 blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replace ment of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs conve nience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manufacturer 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 appara tus combination to avoid injury from tip over Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the appara tus 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 WARNING To reduce the risk of fire or electric shock this apparatus should not be exposed to rain or moisture and objects filled with liquids such as vases should not be placed on this apparatus To completely disconnect this equipment from the mains disconnect th
18. e power supply cord plug from the receptacle The mains plug of the power supply cord shall remain readily operable 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 magni tude to constitute 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 ser vicing instructions in the literature accompanying the product INTRODUCTION PSB subwoofers are designed to provide the flattest possible frequency response full bass extension low distortion and high output Frankly these are characteristics that most manufacturers would strive for Our years of experi ence and our sophisticated design and measurement tools allow us to achieve ideal subwoofer performance Beyond these characteristics there are a few other parameters that we uniquely feel are very important in the design of a sub woofer First and foremost it is important to us that a PSB subwoofer be musi cal In this era of home theater this might at first seem out of step but we believe that a musical subwoofer will also sound the most natural when playing movie soundtracks Furthermore an ideal subwoofer should have the ability to play musically even under conditions of overload or stress No subwoofer is so
19. e this configuration to connect the subwoofer to an A V receiver or processor s subwoofer LFE output The LFE input crossover bypass switch should be set to active only if your A V receiver processor subwoofer LFE output is low pass filtered Utilisez cette configuration pour raccorder le haut parleur d extr me grave un r cepteur A V ou la Sortie sub LFE du processeur L interrupteur de l entr e d rivation du filtre s parateur de fr quences LFE doit tre r gl active seulement si votre sortie de r cepteur processeur caisson de grave LFE est filtr e bas niveau Use esta configuraci n para conectar el subgrave a un receptor de audio video o a la salida sub LFE de un procesador El interruptor que permite pasar por alto le entrada LFE red divisora debe ponerse un la posici n activa solamente si hay un filtro de paso bajo en la salida para altavoz subgrave del receptorde audio video procesador 16 SubSonic 6 SubSonic 5i SubZero i With LOW LEVEL INPUT and OUTPUT OPTION Avec L OPTION D ENTR E BAS NIVEAU et de SORTIE BAS NIVEAU Con OPCI N de ENTRADA y SALIDA a NIVEL BAJO Figure 4 SubSonic 6 CE MODEL ONLY SEE A T125A 2504 B 220 240 50 60 2 0 Hook up same for all models SubSonic 6i Back Plate used for illustration Le raccordement est le m me pour tous les mod les Plaque arri re SubSonic 6i utilis e des fins d illustration La conexi n es la misma para todos
20. ered B Play a familiar compact disc LP or video soundtrack that includes substan tial deep bass content over an extended section Your PSB dealer can help you select a few such titles C Gradually turn the Sub Volume control clockwise until you achieve natural balance between the subwoofers deep bass output and your main left and right loudspeakers D Slowly turn the Sub Cut Off Frequency control clockwise to reach the best mid bass blend with your main left and right speakers This will be the point at which the upper bass retains solid impact and fullness Boom or muddiness is the result if the control is too high A thin reedy quality to the mid bass such as deep male voices FM announcers Darth Vader is the result if the control is too low E Switch the Phase control between 0 and 180 several times leaving it in the position that yields the fullest low to mid bass output You will now probably want to repeat steps C amp D to double check the subwoofer blend Cycling through steps C amp D several times with slightly different settings of both the Sub Volume and Sub Cut Off Frequency controls will help you get the most musical performance from your PSB Subwoofer and your system The best combination is that which yields the most solid very low bass sounds without mid bass boom or a gap in response between the subwoofer and the main speakers As you will discover the Sub Cut Off Frequency and Sub Volume controls are
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22. f not required will produce greater bass than intended Connecting Stereo Equipment Using Low Line Level SEE FIGURE 4 page 17 If your receiver or integrated amplifier has preamplifier out puts or if you are using a separate preamplifier the preferred connec tion is from the Preamplifier Output of the electronics to the Low Level Input of the subwoofer Use a dual RCA audio cable Connecting Stereo Equipment with High Speaker Level SEE FIGURE 5 page 18 You also can get excellent sonic results by connecting the High Speaker Level Output of your receiver integrated 12 amplifier or power amplifier to the High Level Input of the subwoofer Use standard speaker cable and maintain polarity as well as right and left side Speaker wires can be run onwards from the subwoofer directly to the main speakers This replaces running wires from the receiver or amplifier to the main speakers Twist the ends of each input wire from the electronics together with the corresponding wire to the speakers and insert them both into each corresponding input binding post of the SubZero i Be sure to avoid all contact between wires into the sepa rate binding posts B THE SUBSONIC 5 1 Connecting Home Theater Equipment SEE FIGURE 3 page 16 Please see the instructions for the SubZero i Connecting Stereo Equipment using Low Line Level SEE FIGURE 4 page 17 For this preferred connection please see the instructions for the SubZero
23. has to be pleased unless your Significant Other chimes in to the contrary As you go outward from the corner along one wall or another the general con sensus with which we tend to agree is that while bass output diminishes somewhat it also becomes more uniform throughout the room with fewer of the standing waves that produce peaks and nulls at various points Chances are things won t be so simple so the best method for positioning a subwoofer although a rather undignified looking one is to put the subwoofer in your listening chair then play music with lots of bass through the system some thing with steady low frequencies such as organ music or continuous test tones not movie material Move around the room and note where the bass sounds best if you place the subwoofer there and yourself in your chair you should get the same bass performance Bear in mind that the test only works if you have your ears as high off the floor as the subwoofer will be so don t be afraid to crawl around A recommended starting point for the placement of this subwoofer would be in either of the front corners of the room on either side of the main speakers Multiple Subwoofers Why Two Subs Are Better Than One Since the objective of most people who buy subs is to make sure of plentiful low frequencies the only situation most of us will run into that makes sub woofer placement really difficult is the factor we all fear the bad room that just won
24. l the sub s amp and woofer can survive a 15 hour test of being driven continuously to maximum output SubZero i The SubZero i has a few unique features worth mentioning We have mounted Volume and Crossover controls on the front of the cabinet Most subwoofers are tucked away in a dark corner and once in place it can be very inconvenient to access the controls Placing volume and crossover knobs on the front of the cabinet will allow you to adjust these most important functions more conve niently Despite its modest price the SubZero contains a simplified version of our two part limiting circuit and a 100 watt class AB amplifier SubSonic 5i The SubSonic 5i has more power and a larger bass unit than the SubZero i It also has a very different Class H design for its power amplification Class H is a special high efficiency amplifier design Briefly audio amplifiers are inherently inefficient because they are designed to have the capability of delivering great output power yet spend most of their life delivering fairly low power Their out put devices must deliver current while withstanding the high power supply rail voltages needed for peak outputs With a Class H design the rail voltages are not constant They swing high when the music demands it and stay low during quiet passages This is achieved by a sophisticated high frequency switching power supply Power dissipated as heat is greatly reduced and more power is available per dollar of
25. no inquiries about subwoofer placement from customers which is a good indication that it s not something over which people lose much sleep A good subwoofer is such a pleasure when used with a good main speaker that enjoyment is definitely the rule CONNECTING THE SUBWOOFER TO YOUR AUDIO SYSTEM There are several ways to connect a subwoofer into a system For best results overall we recommend using Low Line Level connections When making a Low Line Level connection be sure to follow the coding on the cables to maintain left to left and right to right Use high quality well shielded low capacitance RCA cables of minimal necessary length to avoid picking up noise in the cable runs When making a High Speaker Level connection in addition to maintaining left to left and right to right be sure to use the coding of the pair of wires in each speaker cable to maintain phase red rib writing to 11 red rib writing and white smooth clear to white smooth clear We recommend minimum 16 gauge wire and for longer runs larger lower gauge wire A THE SUBZERO 1 Connecting Home Theater Equipment SEE FIGURE 3 page 16 You can use a single RCA cable to connect the Subwoofer Output of your receiver integrated amplifier or preamplifier to either right or left side of the Low Level Input on the subwoofer Home Theater receivers integrated amplifiers surround sound proces sors and preamplifiers usually have a special Subwo
26. ny environment sounds attenuate as you move farther away from their source but in smaller rooms that tends to be off set by reinforcement from wall reflections The larger the space is the farther the sound has to travel both to reach the reflecting surfaces and then to get to your ears which means it has to be louder to begin with With traditional full range speakers that involves an intricate matching act between amplifier power speaker sensitivity impedance and power handling But the bulk of the power goes to reproducing bass so the use of powered sub woofers and separate midrange treble satellites both allows you to be conserva tive in the amount of power your main amplifier produces and ensures a good match between the low frequency amplifier and the woofer it is paired with After size the most important aspect of a listening room is its shape In any room sound reflects off the walls ceiling and floor If the distance between two opposite parallel surfaces is a simple fraction of the wavelength of a particular frequency notes of that frequency will bounce back and forth in perfect phase an effect called a standing wave or room mode At some point in the room this note will be reinforced substantially at others it will cancel out almost entirely If the prime listening seat is placed at either of these locations the note will be a horrible boom or virtually non existent The standing waves are different between floor and
27. o much bass for your room or more par ticularly your favorite listening spot in the room but unless you are seated in a null spot where sound from the sub is cancelled or diminished by out of phase reflections from elsewhere there should be plenty of bass from corner placement PSB subwoofer gt BI pI BI PSB subwoofer E A mM PSB co subwoofer Y Most bass output least even Moderate bass output more Lowest bass output most bass response even bass response even bass If you are seated in such a null spot your only real choices are generally to move either the subwoofer or your listening position until bass returns to the point that satisfies Cranking up the level control or changing the crossover point almost certainly won t help much But flipping the phase control 180 degrees sometimes may make a difference especially if the null is a product of cancellations caused by interaction with low frequencies from your main speakers If you are in the opposite sort of situation where direct and reflected bass waves converge in phase and produce a strong peak at your listening location you can if you like deal with that both with changes in placement or in the position of your sub s level control or less likely but possible the crossover frequency chosen We say if you like because there is no such thing as too much bass for some listeners and we don t want to be dogmatic You are defi 9 nitely the one who
28. ofer Output to provide the optional Dolby Digital 5 1 Low Frequency Effects LFE Channel present on many movie and other programming sources To reproduce these deep bass effects when they are present supple menting the bass information in the main channels this output must be connected to the subwoofer The subwoofer output LFE signal is filtered by most receivers proces sors The subwoofer s variable low pass filter is usually not required and should be bypassed by switching the LFE Input Crossover bypass switch to active only if the receiver processor subwoofer LFE output is low pass filtered The default position for this switch is off With some Home Theater electronics and settings connecting the Subwoofer Output does not provide the low frequencies from normal stereo music through the subwoofer If this is true of your system you can make two connections First connect the Subwoofer Output from the electronics to the right or left side of the Low Level Input of the subwoofer as described above Then also connect the High Level Output from the electronics to the High Level Input of our subwoofer as described below When listening to music using High Level Input set the LFE Input Crossover bypass switch to the off position The switch would usually be set to active whenever the receiver proces sor s Subwoofer Output is used during playback of movies Most Home Theater electronics will not require this second connection which i
29. rom the subwoofer back to the Power Amplifier Inputs is an important option The Low Line Level Inputs of the subwoofer are internally processed through an active high pass filter at 12dB octave below 80Hz to the Low Line Level Outputs of the subwoofer Connecting the Low Line Level Outputs from the sub woofer back to the Power Amplifier Inputs delivers the processed sig nal with reduced low frequency content to the main speakers With less low frequency demands the main speakers can play louder Particularly with smaller and or less efficient main speakers relieving speakers other than the subwoofer of the demands of reproducing low frequencies will allow greater sound output and dynamic capabilities from the other speakers and from the system overall Connecting Stereo Equipment with High Speaker Level SEE FIGURE 5 page 18 You also can get excellent sonic results by connecting the High Speaker Level Outputs of your receiver integrated amplifier or power amplifier to the High Speaker Level Inputs of the subwoofer Use standard speaker cable and maintain polarity as well as right and left High Speaker Level Outputs from the subwoofer allow speaker wires to be run onwards easily from the subwoofer directly to the main speakers The signals from the SubSonic 5 to the main speakers are looped through full range This replaces running from the receiver or amplifier to the main speakers The High Speaker Level Inputs of the SubSonic 6 are
30. sh Vinyl Low Line Level LFE Input High Speaker Level Input and Output Front Mounted Volume and Crossover Phase Crossover Bypass and On Standby Off 5 way Binding Posts and Gold plated RCAs o 18 106476 120V 60Hz 2 0A 250V 220 240V 50 60Hz T1 0A 250V 5mm x 20mm Manufactured by Littlefuse Type 313 or Equivalent Subsonic 6i 29 150Hz 26Hz 225 Watts 325 Watts 650 Watts Class H BASH Discrete MOSFET Output Devices 12 300mm Polypropylene Cone Rubber Surround 2 50mm Voice Coil 53 oz 1503g Magnet Variable 50Hz 150Hz LR4 24dB octave Linkwitz Riley Low Pass Filter 2 38 cu ft 67 liter Bass Reflex 2 x 2 5 8 66 7mm Front Ports Radiused Internally and Externally 15 x 19 7 8 x 19 1 4 381 x 505 x 489mm Plus 1 25mm Feet 4610 20 9kg each 5410 24 6kg each Black Ash Vinyl Low Line Level LFE Input and Output High Speaker Level Input and Output 80 Hz High Pass Filter 12 dB octave Butterworth High Level High Pass 6 dB octave Filter Front Mounted Volume and Crossover Phase On Standby Off 5 way Binding Posts and Gold plated RCAs Feet with Adjustable Spikes amp Rubber Levelers 120V 60Hz 2 5A 250V 220 240V 50 60Hz T1 25A 250V 5mm x 20mm All specifications are subject to change without notice PSB Alpha SubZero and SubSonic are trademarks of Lenbrook Industries Limited 2001 PSB Speakers a division of Lenbrook Industri
31. t Shipping FINISH CONNECTIONS FEATURES POWER Input Fuse RMS Clipping lt 10 Time 100 Watts 130 Watts 260 Watts Class AB Discrete MOSFET Output Devices 8 203mm Polypropylene Cone Rubber Surround 1 38mm Voice Coil 20 oz 567g Magnet 20 oz 5679 Shielding Magnet Variable 50Hz 150Hz 24dB octave Linkwitz Riley Low Pass Filter 0 68 cu ft 19 3 liter Bass Reflex 1x8 Front Duct 25mm x 203mm Radiused Externally Video Shielded WxHxD 9 5 8 x 13 1 4 x 14 1 2 244 x 337 x 368mm Plus 7 8 22mm Feet 23 0 Ib 10 5kg each 27 0 Ib 12 3kg each Black Textured Vinyl Low Line Level LFE Input High Speaker Level Input Front Mounted Volume and Crossover Phase Crossover Bypass and On Standby Off 5 way Binding Posts and Gold plated RCAs v 120V 60Hz 1 6A 250V 220 240 50 60Hz T0 8A 250V 5mm x 20mm SubSonic 5i 30 150Hz 27Hz 150 Watts 225 Watts 450 Watts Class H BASH Discrete MOSFET Output Devices 10 250mm Polypropylene Cone Rubber Surround 1 38mm Voice Coil 28 oz 794g Magnet 28 oz 7949 Shielding Magnet Variable 50Hz 150Hz 24dB octave Linkwitz Riley Low Pass Filter 1 01 cu ft 28 6 liter Bass Reflex 2 x 2 Front Ports 508mm Radiused Internally and Externally Video Shielded 12 3 8 x 16 1 2 x 14 7 8 314 x 419 x 378mm Plus 7 8 22mm Feet 31 Ib 14kg each 34 Ib 16kg each Black A
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