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		 SVSound   
					OWNERS’   
					GUIDE   
					SVS PB12-Plus Powered Box,   
					Single “Plus” Driver   
					Subwoofer   
					Contents:   
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					Pages 2-3 Safety instructions   
					Page 4 SVS Welcome   
					Page 5 About your new SVS Subwoofer   
					Pages 6-8 Setup, integration, and calibration   
					Pages 9-10 Powered box amp features   
					Pages 11-13 Parametric equalizer (PEQ)   
					Pages 14 - 15 Variable tuning   
					Pages 16 - 17 Bass demos   
					Pages 18-19 Dealers/Notes   
					Page 20 Terms and Conditions   
					Last update: 14 May 2007   
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				Page 3   
					SV Sound   
					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. WARNING: To reduce the risk of fire or electric shock, this apparatus   
					should not be exposed to rain or moisture and objects filled with liq-   
					uids, such as vases, should not be placed on this apparatus.   
					16. To completely disconnect this equipment from the mains, disconnect   
					the power supply cord plug from the receptacle.   
					17. 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 un-insulated "dangerous voltage " within   
					the product's enclosure that may be of sufficient   
					magnitude 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 (servicing) instructions in   
					the literature accompanying the product.   
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				Page 4   
					SV Sound   
					Welcome.   
					From the entire SVS team, congratulations on your purchase of a   
					new standard in home theater and music bass!   
					Your sub isn’t some generic black box built someplace you can’t even   
					find on a map. It’s made in our Ohio, USA factory by home audio   
					fanatics... like you. Designed, and tested using the latest state of the   
					art instruments... and assembled by hand, your SVS subwoofer is   
					without a doubt one of the best investments you’ll ever make in bring-   
					ing music and theater home.   
					We’ll help you to set up your sub right, and in no time, you’ll be giv-   
					ing “demos” of your favorite DVDs or music selections to all your   
					friends and neighbors (be kind if you live in an apartment). This isn’t   
					just a “subwoofer” after all, it’s a carefully designed audio component   
					carefully tuned in our labs, by the award-winning SVS design team.   
					You’re unlikely to have heard, or felt, bass like this before, unless it   
					was in a top-notch, commercial movie theater. Audio in your home   
					will never be quite the same again. That’s a promise.   
					Already have a question about your sub? You might answer it by   
					reading this manual, we think you’ll find it easy to read and more   
					informative than most. For even more detailed discussion about set-   
					
					We touch on all the key points you need to know, and then some.   
					Maybe you just want to share a bit of bass news? Or perhaps you   
					have a story about your SV Subwoofer to share with us? Maybe   
					something we missed in our website? No matter, feel free to send a   
					
					tail website in your region.   
					It’s not often you can talk to the guys who made your audio compo-   
					nent. In this case, we look forward to it.   
					SVS Customer Service   
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				Page 5   
					SV Sound   
					About your SVS Subwoofer   
					There maybe be other subwoofers that look like them, but virtually none   
					work like them. Not at this price. SVS subwoofers are decidedly different in how they   
					are designed, produced, sold, and even in the exceptionally high quality components   
					we use. The best part? You could have spent much more and still not come close to   
					the performance our subwoofers provide. So, what makes a subwoofer an SVS?   
					Quality components, sane prices. You might be surprised at how inexpensive   
					the components are in some not-so-inexpensive subwoofers. At SVS, performance is   
					king... not shaving off a few dollars from component costs to improve profits. We   
					scour the earth for the most cost-effective parts (when we don’t make them ourselves),   
					and meld them into finely tuned designs that define high performance movie and   
					music bass. We’ve tested and discarded plenty of bits that didn’t meet our tough   
					standards. If we use it, you know “it” is satisfied some tough customers first. Us.   
					Get “square”. We did a host of studies to optimize materials, the size, and even the   
					our enclosure finishes to ensure a rigid design that’s reasonably compact, and still able   
					to take the abuse your family and friends can dish out. SVS cabinets are no ordinary   
					boxes. Selling through select dealers means your sub, and not glossy ads, get the   
					priority at when your product is built. Tap the side of your sub, look at those smooth   
					corners, flip a few switches. The quality is so obvious, you’ll know what we mean.   
					SVS products are different.   
					Stable downward firing woofer. Our contemporary enclosure designs are a halmark,   
					but we’ve also taken great lengths to allow for top quality, well-protected woofers.   
					Coupled with our unique base-plates, which minimize driver reactive forces, you’ll   
					find our down firing subs can take a tremendous amount of power and remain rock   
					solid. Compliant rubber feet allow for stable placement on a variety of surfaces. No   
					rattling, or buzzing allowed!   
					Custom low turbulence port designs. When you listen to our trend-setting   
					ported subs you’ll hear (and feel) bass like never before, with a exceptionally low   
					noise and distortion. Huge patented, flared port fittings make the difference. You’ll   
					quickly realize something special went into your new sub the second you fire it up.   
					Stylish, and understated. From the fine, durable finish, to the attractive color-   
					contrasting components, you’ll be amazed at how easy it is to lose your sub in a   
					corner. SVS’s aren’t tiny, but this is one of those times size does matter. There are   
					many brands of boring “black box” subs. Fortunately, you didn’t just unpack one.   
					World class power. Our Canadian-built amps are designed and manufactured with   
					a level of quality and power practically unheard of at this price. Did we mention   
					power? It’s there in spades (though we rate them conservatively). And SVS starts   
					with efficient designs which don’t require significant levels of power robbing   
					equalization to go low and flat. This way, our amps can be dedicated to reproducing   
					low frequencies, not making up for a lack of enclosure space (the bane of clean, deep   
					bass). As a result, we don’t require the megawatts some subs do.   
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				Page 6   
					SVSound   
					Setup, calibrating and integration   
					What’s to know? Well, first of all, setting up an SVS subwoofer is   
					pretty darn easy. There are a few key things to get right though if you   
					want to get the most out of your sub.   
					Unpacking. You’re probably eager to hear your sub, but take time to   
					carefully unpack everything. Save the box and shipping materials, just   
					in case you need to return the sub for any reason.   
					Location. They say it’s “all about location” right? It’s the same with   
					subwoofers. So, where to put it? Go for a corner if you can, and avoid   
					putting your sub where it might adjoin large open areas   
					. 
					Studies have   
					shown that the deepest and flattest bass response is typically attained   
					when a subwoofer is placed within a few feet of one of your room’s   
					corners (leave about 3” in the back for port and cable clearance with any   
					wall or other surface). A corner near your favorite seat is often the best   
					of all locations. Whether you put the sub in front or to the rear of your   
					seating area makes surprisingly little difference. Deep home theater   
					bass, like that from “5.1 channel” DVDs is non-directional. You can’t   
					tell where it is coming from, even though you can hear, and feel it.   
					Hook-up (see Fig. 1). There are a variety of ways to configure your   
					new sub. Usually, a simple mono, shielded 75 Ohm A/V RCA type   
					cable (a.) is used to take the subwoofer output of your DD/DTS   
					surround sound receiver (b.) and feed the low-level input of the sub’s   
					amp. There is no need to “split” the signal going to the sub (c.). You   
					can feed either one of the two amp inputs, it doesn’t matter, right or left.   
					NOTE: Stop now if you aren’t   
					TOTALLY familiar with your re-   
					ceiver’s manual. Ensure all power   
					to your equipment is off when   
					making these connections. Also, be certain   
					your power outlet can handle a minimum of   
					600 watts. (Use of “convenience outlets” on   
					receivers are not recommended for your SVS).   
					(a.)   
					(c.)   
					(b.   
					DD/DTS Processor/Receiver   
					(Subwoofer “Out”)   
					Fig. 1   
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				SVSound   
					Page 7   
					More Setup, calibrating and integration   
					If you are running a pair of SVS subwoofers (Fig. 2), you will need to   
					use a standard “Y” cable adapter (d.) The best adaptor to use for this task   
					has one male RCA connection and two female RCA outputs. From the   
					“Y” cable you can run a standard 75 Ohm RCA to RCA signal cable (e.)   
					to each sub, thus “splitting” the Low Frequency Effects (LFE) and other   
					bass signals from your receiver and effectively feeding both subwoofers   
					with the same signal. Contact us for hints on optimizing twin subs.   
					NOTE: Now is a good time to select   
					if you want “ON” (always on) or   
					“AUTO ON” which turns your sub   
					on only when a bass signal is present.   
					“Y” cable/splitter from   
					receiver   
					(e.   
					(d.)   
					DD/DTS Processor/Receiver   
					(Subwoofer “Out”)   
					Fig. 2   
					“ 
					Level Calibration” isn’t only for tech minded folks, it’s critical to a   
					proper configuration of your home theater sound system. Fortunately,   
					adjusting channel output balance (essentially all “calibration” amounts to)   
					is as simple to do as it is important. The first order of business is making   
					sure your DD/DTS surround sound system is set up properly. We recom-   
					mend you consult your audio/video receiver (or processor) manual to re-   
					fresh on the procedures to do this. Generally, this requires ensuring the   
					receiver’s test tones, or a special test disk (like Ovation Software’s Avia   
					) 
					play back at the same volume from each of your system’s speakers.   
					That’s speakers at left, center, right, left surround and right surround (and   
					if equipped, one or two rear channels), plus the subwoofer . (More on sub   
					level in a second). Skip to page 9 (“Powered Box Features”) if you aren’t   
					familiar with your sub’s amp, and come back to calibration.   
					Some things to check as you get ready to calibrate:   
					• 
					Are your speakers set correct to the correct “size”? Your re-   
					ceiver/processor should allow you to indicate if your speakers are   
					“Small” or “Large”. Selecting the size accordingly will ensure bass   
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				SV Sound   
					Page 8   
					goes to most appropriate speakers, and use the subwoofer correctly too.   
					“Small” is nearly always the best setting for today’s speakers. Also, is   
					your subwoofer turned “ON”? We don’t mean “is your subwoofer ampli-   
					fier on?” (that’ll be important later too) but rather, is your receiver send-   
					ing a bass signal to your sub amp? This can only happen if you say   
					“Yes” (or “ON”) in the “Subwoofer” selection during the setup of any   
					typical Dolby Digital/DTS capable receiver (you’ll need to enter your re-   
					ceiver’s setup “menu” to check these critical choices).   
					• 
					• 
					Is your receiver connected to the sub amp? Use a well-shielded RCA   
					cable (sometimes called a “patch cord”) to connect the subwoofer output of your   
					DD/DTS receiver to either input jack of your SVS’s dedicated amp. Again, you’ll   
					need to “split” the bass signal with a “Y Cable” if you have a pair of subs. You   
					only need feed one of the two inputs (either Right or Left) of any   
					Powered Box SVS sub, these inputs are “summed” internally.   
					Is your Radio Shack   
					® 
					sound pressure level (SPL) me-   
					ter ready? This tool is absolutely essential to proper home   
					theater audio setup. It’s akin to a tire pressure gauge for your car   
					(you don’t set your tires by “feel” right?). Set the meter to “Slow”   
					and “C-weighting” (and turn the dial to 70 or 80dB depending on   
					your test tone source). Haven’t got the meter yet? Order one   
					from your dealer, or SVS. We prefer the analog instead of the   
					digital display model.   
					Getting ready to start now: Make sure your receiver/processor master volume is set   
					at “00 dB” or some other easy to remember “reference level”. Finally, ensure your   
					SVS’s volume/gain control is set no more than 1/4 to 1/3rd up, for now. It’s also criti-   
					cal to check the subwoofer level control of your surround receiver before you begin the   
					test tones. Set the receiver’s subwoofer output signal no higher than “-6 dB” initially   
					(that’s one quarter way up, given a typical receiver’s channel level limits of –12 dB to   
					+12 dB) . Your LFE “trim” or “peak limiter”, if you have one, should be set to 0dB   
					(with the least effect). This can be changed later if needed. Turn off any sound-field   
					processing schemes, “mid-night mode”, “DRC” (dynamic range control) etc. If it is an   
					option in your system, route your LFE to the “Subwoofer only”, not “Mains + Sub”.   
					Now play your receiver's internal test tones so you have something to measure   
					with your SPL meter. Or, better yet, buy a test DVD such as the Avia. A test disk’s   
					tones ensure your entire signal path, from the DVD player to your speakers, is set cor-   
					rectly. Whatever you use, when the tones start alternating from speaker to speaker   
					(watch your sound meter now), set each speaker’s volume to about 75 dB (or 85dB if   
					using Avia) by using the receiver’s dedicated channel level controls (leaving receiver’s   
					master volume the same). We recommend you turn down the receiver’s subwoofer   
					output level before you significantly lower your sub’s volume/gain control. This helps   
					keep distortion sent to your SVS at a minimum. You should not be set this control   
					much lower than –6 dB however, since some downward adjustment maybe be needed   
					to fine tune levels later. If your subwoofer reading is still too high, then turn down the   
					sub’s amp volume a little with each run.   
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				But what’s “too high”?? Tastes vary, and so do movie soundtracks, but your SVS   
					is capable of tremendous levels of low distortion, low frequency bass — far more than   
					most consumer-quality subwoofers. Take advantage of this, especially if you like action   
					movies or music with lots of “.1” channel (LFE) bass action, and give the sub a bit more   
					“bump” during calibration. Keep in mind too that the human ear is relatively insensitive   
					to low frequencies. This, and the fact most folks don’t watch movies at Dolby Digital   
					reference level (“theater loud”), means upping the bass up a few dBs usually yields a   
					more satisfying movie and music experience at more restrained playback levels..   
					What sub levels do we recommend? If you watch movies at moderate sound lev-   
					els, a good start is a range of +1dB to +3dB above your other channels (as measured   
					with your sound meter). This means the test tone will waiver about 78 dB for the sub-   
				SV Sound   
					Page 10   
					ficult job of the phase control. Essentially, “phase” varies the timing of the bass   
					waves coming from the sub. But don’t despair if you don’t hear much difference,   
					especially if running a single subwoofer. Bass “cancellation” will vary by room   
					shape, volume, and the bass frequency. No one setting is likely to ever be perfect.   
					One technique to optimize phase is to find a nice “bassy” loop (such as the menu of   
					the “Godzilla” movie DVD) and measure the loop’s SPL response at various bass   
					peaks. As the loop runs, have an assistant adjust phase in small steps while you   
					measure. When you see the most response on a given bass passage, typically that’s   
					the setting with the least cancellation (for the frequencies of the demo loop).   
					Line In/Out. Use either of the sub’s “Line In” jacks to connect the subwoofer to the   
					output jack of your receiver/processor. Feeding just one input is enough. If you are   
					using a conventional amp and/or a stereo setup you can use the “Line Out” jacks to   
					send sound (filtered of deep bass information) back to your system amp. A simple   
					“:RCA to RCA” cable is all you need for either type configuration.   
					Auto On. Your SVS Powered Box allows itself to be in an “Auto-On” mode… or   
					“On” all the time. With the former setting (the switch in the “Auto” position) your   
					subwoofer will “sense” that a DVD or CD etc. has begun and switch its audio circuits   
					on immediately (the “hard” power switch mentioned below must be on, naturally). A   
					few minutes after a movie, the Auto-On light will turn Red, switching the sub back   
					off. When running (and sensing a signal) the Auto-On LED will be green. Some-   
					times, with very low listening levels, your subwoofer might not get enough of a bass   
					signal from your surround sound processor to “trip” the Auto-On circuit. Should you   
					ever find this to be the case, you may leave this switch to “On”, or turn up the re-   
					ceiver’s subwoofer output level some (be sure to recalibrate channels levels with your   
					meter afterwards).   
					Crossover enable switch. If you allow your DD/DTS surround-sound receiver or   
					processor to manage bass frequencies (again, highly recommended), this switch   
					should be set to “Disabled”, eliminating the effects of the “Crossover Frequency”   
					knob and allowing your sub to reproduce just what it’s fed from the receiver. If you   
					use the sub in a two channel (stereo only) configuration, then “Enable” the crossover   
					and adjust the knob to best blend the sub into the output of your speakers.   
					High level inputs/outputs. Not commonly used today, but binding posts are there in   
					case you don’t have low-level inputs/outputs on your receiver/processor. Typically   
					utilized only if you are not using a DD/DTS compatible system.   
					Power. This heavy-duty two-position switch next to the power cord will completely   
					cut the power to your sub amp. Flip this switch to off before you ever move the sub   
					or change inputs or outputs.   
					A/C connection. Plug your sub into a dedicated electrical outlet. “Convenience”   
					outlets of typical receivers often don’t provide the needed current. Do not use these.   
					Fuse. User replaceable, contact your dealer if you have trouble finding one. The   
					fuse can be accessed by a small door immediately next to the power cord fitting   
					(where you should also find a spare one for your use).   
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				SV Sound   
					Page 11   
					Parametric Equalizer (select PB12-Plus subs only). Important enough and   
					challenging enough, this feature gets its own section! “PEQ” allows you to tame a “peak”   
					in your room’s natural frequency response. Peaks are quite common, especially in large   
					rooms or ones where your sub is far from your listening position. NOTE: A Sound Pres-   
					sure Level meter is a must for proper use of the PEQ, so get one before you tackle this   
					control. TO DISABLE THIS CONTROL: Set the “LEVEL” control in the Parametric   
					EQ feature until it stops on “MIN” — thus ensuring you do not inadvertently cause poor   
					frequency response until such time as you properly configure the PEQ.   
					First you might ask yourself, “why use a PEQ?” The reason is quite simple. Your room.   
					Most times even a superlative subwoofer which measures very evenly (we say “flat”) in   
					an open domain (no reflective boundaries) will not measure the same in your home theater   
					or music room. Instead, colliding bass waves can build up and cause a “peak”. This is   
					where a parametric equalizer helps out. A PEQ is an electronic circuit which allows the   
					user to manipulate the input signal so the acoustical output is more desirable for their envi-   
					ronment, in many cases allowing the worst peak to be “flattened”. By manipulating the   
					input signal with your PEQ you can cut a wide or narrow peak in response located some-   
					where in the frequency range of the equalizer. Importantly, the equalizer found your sub   
					only allows reduction of peaks, and is “cut only”, not a boost device.   
					Measure the room’s response. As indicated above, you must have a firm understand-   
					ing of your room’s acoustical properties before you use a PEQ. To determine your room’s   
					natural response properties (and your subwoofer, in that room) you will need an SPL meter   
					shown on Page 6, and at least a pad of graph paper and a pencil for charting as below. If   
					you have graphing program similar to Microsoft Excel ® this will save some time chart-   
					ing the response curves. Contact SVS for tips on accessing advanced audio tools you can   
					use for room analysis. NOTE: Use extreme caution with sine-waves and only run very   
					low SPLs in the 75dB-85dB region. Sine waves at high SPL’s can damage your SVS!   
					Freq 20 25 30 35 40 45 50 55 60 65 70 75   
					80 85   
					90   
					95 100   
					86   
					SPL 85 84 86 91.5 95 90 84 84 86 86 85 83.5 83 83.5 84.5 85   
					Room A Response   
					96   
					93   
					90   
					87   
					84   
					81   
					20   
					40   
					60   
					80   
					100   
					Figure 3   
					Fr equency   
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				SV Sound   
					Page 12   
					When measuring the room’s response use a minimum resolution of 5Hz. Figure   
					3 on the previous page shows a theoretical illustration of a room’s response.   
					Before you plot your results however, it’s important to note the Radio Shack   
					sound meter is not totally "linear" in its accuracy down low. All similar meters   
					are off by the similar amount depending on the frequency; so while its sensitivity   
					below 20Hz is not what it is at 50Hz, there is a simple way to compensate for this   
					deficiency. It's called a compensation chart.   
					Simply look to the below frequencies and add the required decibels (dBs) at the   
					frequency in question. So if your system seems to be measuring 70dBs with a   
					20Hz tone, then really it's putting out 77.5dBs. This is a VERY substantial differ-   
					ence, roughly TWICE the acoustical energy, requiring several times the amplifier   
					power to achieve. You can see then how critical the below chart is if you are us-   
					ing your PEQ to even out or “flatten” the room response of your bass.   
					Add the following to your measurements:   
					10Hz add 20dBs   
					12Hz add 16.5db   
					16Hz add 11.5dB   
					20Hz add 7.5dB   
					25Hz add 5dB   
					31.5Hz add 3dB   
					40Hz add 2.5dB   
					50Hz add 1.5dB   
					63Hz add 1.5dB   
					80Hz add 1.5dB   
					100Hz add 2dB   
					125Hz add .5dB   
					Explanation of the controls. Now that we have dis-   
					SVS PEQ Controls   
					cussed how to measure the room’s response, the next   
					step is to correct the problem areas with the paramet-   
					ric equalizer. Before we start turning the controls we need to understand what the   
					adjustments are and how they work.   
					“Q”. This control determines how wide the correction will be. Each “hash mark”   
					on the amp’s front plate represents roughly 0.1 octave adjustments. The “HI”   
					mark is equal to 0.1 octave (narrow) and “LO” mark is equal to .9 octave (wide).   
					In Figure 3 the highest peak is located at 40Hz and becomes flat again at 50Hz   
					(the Highest Frequency of the peak). To determine the Q adjustment the follow-   
					ing formula is needed. More on “Q” in a moment.   
					Formula 1   
					(Highest Frequency [X] – Center Point [Y])   
					Center Point (Y)   
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				SV Sound   
					Page 13   
					The LEVEL control is the amount of attenuation on the signal located at the center   
					frequency. MIN is equal to 0dB and MAX is equal to -12dB “cut”. Each hash mark   
					reduces the Center Point in question by 1.5dB.   
					The “FREQ” control (short for frequency) is the adjustment for the center point of   
					the cut and should target the highest peak frequency in the room’s response. Each   
					hash mark for this control moves the center frequency for the desired cut 5Hz, within   
					a range of 20-80Hz.   
					Adjustments of the parametric equalizer. The first step to adjusting a PEQ is de-   
					termining the “Center Point” of the cut. Determining the Center Point allows us to   
					establish a target, or baseline, for further adjustments. In this example (again, looking   
					to the graph in Figure 3), the peak frequency is roughly 40Hz.   
					At this stage we’ll estimate the beginning (lowest frequency) and the end (highest   
					frequency) of the peak. In Figure 3 the beginning would be located somewhere near   
					25Hz and the end, or Highest Frequency, would be near 50Hz. This would be a   
					25Hz bandwidth, with a Center Point located at 37.5Hz (the midpoint between 25   
					and 50hz). Notice that the center point of 37.5Hz is not located precisely at the peak   
					frequency in the response curve, which was estimated at 40Hz. Why? If we used   
					40Hz as our center frequency and 50Hz as our high point cutoff we would only at-   
					tenuate the curve down to 30Hz. This will leave a small bump in response near 25Hz   
					because the correction would only be located between 30Hz to 50Hz.   
					Now that we determined the Center Point we can adjust the “FREQ” control knob to   
					37.5Hz, or between the fourth and fifth hash marks, clockwise from the left.   
					The next step will properly adjust the “Q” setting. We again need to use Formula 1   
					and calculate the Q setting from Figure 3 using Highest Frequency and Center Point   
					figures just determined above.   
					50Hz – 37.5Hz = 0.33   
					37.5Hz   
					.33 Q … or just past the third hash mark, clockwise from the left of this control.   
					Now that we have successfully adjusted the Q and Frequency controls, we need to   
					make the final Level adjustment. In Figure 3 the adjustment should be somewhere   
					near –10dB to –11dB, or on the 8th hash mark from the left (1.5dB cut per hash   
					mark), completing the adjustments for the parametric equalizer.   
					Measure room response for accuracy. After all the adjustments are made we rec-   
					ommend you measure the room again to make sure the adjustments are correct. If the   
					new response curve is not acceptable then fine-tune things some. For example, if the   
					response curve still shows a small peak you should adjust the Level control again to   
					compensate. Make sure your overall SPL calibration is set as described earlier in this   
					manual, and enjoy your optimized subwoofer!   
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				SV Sound   
					Page 14   
					Subsonic Filter and Port Tuning   
					Your new SVS subwoofer not only comes with our   
					efficient “Tri-Power” port flares, but custom port   
					plugs and variable subsonic filter which allow   
					your sub to be “tuned” to even lower frequencies   
					than its stock configuration. For most people and   
					most rooms, your SVS is already configured for   
					the best blend of extension (how deep/low your sub goes) and output (how loud it   
					gets at a variety of bass frequencies). However, we know that bass is a very personal   
					taste and no two rooms will react exactly the same with any subwoofer. So we in-   
					clude a custom “port plug” that, when inserted into a port, allows you the user to   
					experiment with a substantially lower “tune”.   
					As with all such devices, there are compromises when tuning a sub lower. Installing   
					a port block takes some capacity from upper reaches of bass, installing two port   
					blocks naturally limits upper bass response even more. So while you will indeed get   
					more bass down low (where DVD and music bass is more rare, but quite exciting),   
					you’ll sacrifice total output capacity above the stock tuning point of the sub (where   
					bass is more common). You should decide if the effect is pleasing on the sorts of   
					movies and music you enjoy.   
					How to do it? To insert a port plug, simply squeeze the foam on one end and press   
					the plug into a port flare until it is about 1” lower than the edge of the surface of the   
					sub. You can remove the plug by inserting your fingertips into the port flare and   
					squeezing and pulling on the foam plug at the same time. Be sure to select the sub-   
					sonic filter point on the back of your SVS amp which coincides correctly with your   
					new “tuning point”. NOTE: We strongly recommend you do NOT run a lower   
					subsonic filter point than your port plug configuration would dictate — especially if   
					you are running the subwoofer at high sound pressure levels. Moderate levels are   
					doubly important if you put the subsonic filter into the 12Hz mode (* contact SVS   
					about details on the use of this deepest mode). This simple table indicates the set-   
					tings you should use in setting up your sub blockers and the subsonic filter knob.   
					SVS PB12-Plus Tuning Chart   
					Stock tune (no ports blocked)   
					With one port-blocked   
					Subsonic Filter Knob   
					20Hz   
					16Hz   
					12Hz   
					With two ports-blocked *   
					Look to the next page for a computer simulated response chart showing the reduc-   
					tion of upper bass when adding a port-plug to your SVS (along with additional   
					woofer excursion needed to maintain lower frequencies). The bottom line? Many   
					customers feel the slight loss in upper bass output to be insignificant compared to the   
					deeper response the port block gives. We let you decide.   
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				SV Sound   
					Page 16   
					Bassy demo scenes to die for.   
					So now what?? You’ve got one of the best theater and music bass sub-   
					systems on the planet, you’re calibrated...want to see what she’ll do?   
					But of course! Since finding those scenes can be a bit trying, we’ve   
					compiled a list of our old favorites below. After all, calibration with test   
					tones is important, but it’s movies and music this sub is itching to show   
					off. Chapter stops for DVDs are shown, with movie time in hours: min-   
					utes: seconds. What are you waiting for? Just hit PLAY!   
					• 
					“The Iron Giant” Great family animation with SERIOUS bass,   
					including strong peaks below 25 Hz. Jump to:   
					1. “Chase thru the forest” Scene 8 (20:00 into the movie)   
					2. “Robot Landing” (Train Impact) Scene 10 (25:40)   
					3. “Green Boom” Scene 27 (1:11:40)   
					• 
					• 
					“Antz” Another good family movie, though not perhaps for small   
					children. Extremely loud bass above 30 Hz.   
					“Terror from Above”, Scene 17 (51:48)   
					“The Matrix” Modern, violent, science fiction classic with plenty   
					of shoot-’em-up bass blasts. Here’s some subtle and not so subtle.   
					1. “Where we are grown”, Scene 12 (42:55)   
					2. “Landing in fight”, Scene 15 (50:51)   
					3. “Chopper shootout”, Scene 31 (1:47:15)   
					• 
					• 
					“Das Boot” Arguably one of the most compelling war pictures of   
					all time with bass approaching 20 Hz. Very loud, very deep.   
					1. “Depth charges”, Scene 21 (59:30)   
					2. “Storm surfing”, Scene 25 (1:15:15)   
					3. “Hitting bottom”, Scene 17 (53:15, Side “B”)   
					“Apollo 13” Moving story, with some surprisingly subtle but re-   
					vealing bass where it counts.   
					1. “Lift off”, Scene 13 (35:15)   
					2. “Coming home”, Scene 53 (2:05:43)   
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				SVSound   
					Page 17   
					More Bassy demo scenes.   
					• 
					“Titanic” You love it...or you hate it. Regardless of which side   
					of the ship you sit on, this flick does some serious rumbling for   
					you:   
					1. “We can’t leave him” Scene 22 (2:21:50)   
					2. “Ship Splitting” (2:41:30)   
					3. “Last Gasp” (2:42:05)   
					• 
					• 
					“Blade” Not one for the kiddies, but loaded with deep bass.   
					1. “Footstep”, Scene 4 (7:15)   
					2. “Door blown” Scene 20 (50:05)   
					“Aliens” Not just another modern sci-fi horror classic, this one   
					rocks from intro to final scene.   
					1. “Ship drop”, Scene 9 (41:20)   
					2. “Awakenings”, Scene 15 (1:12:52)   
					• 
					"Apocalypse Now" Making This Vietnam war movie, Francis   
					Ford Copolla nearly went crazy...imagine what it'll do to your   
					subwoofer!   
					1. "Chopper ride" Scene 2 (0:19:47)   
					2. "ARC LIGHT" Scene 4 (0:26:02)   
					3. "Grenade launch" Scene 12 (1:27:58)   
					“Contact” SETI with a (bass) twist or two along the way.   
					1. “Bombing”, Scene 28 (1:36:30)   
					• 
					• 
					2. “Space truckin”, Scene 33 (1:55:56)   
					“Dark City” One of Roger Ebert’s favorites, think he likes bass   
					too?   
					1. “Let the tuning commence”, Scene 8 (34:30)   
					2. “City makeover”, Scene 15 (1:27:45)   
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				SV Sound   
					Page 18   
					Authorized International Dealers:   
					Australia/New Zealand   
					Deep Hz Audio   
					BENELUX   
					M-Pro BVBA   
					98 Nimblefoot Way   
					De Regengoog 3   
					Lilydale Vic. 3140, Australia   
					Phone: 0434-550782   
					Email: [email protected]   
					2800 Mechelen, Belgium   
					Phone: +32 (0)15-330980   
					Fax: +32 (0)15-330995   
					Email: [email protected]   
					Canada   
					Sonic Boom Audio   
					Scandinavia/Germany   
					L-Sound AS   
					410 Denison street   
					Bedriftsveien 14   
					Markham, Ontario   
					Phone: (905) 944-8484   
					Email: [email protected]   
					4841 Arendal, Norway   
					Phone: (+47) 377 11 333   
					Fax: (+47) 377 10 440   
					Email: [email protected]   
					UK   
					South America   
					Liquid Sound Ltda   
					Kent Home Cinema/AV-Sales   
					69 London Road, Southborough   
					Tunbridge Wells, Kent   
					TN4 0PA, England   
					Phone: 01892 535007   
					Fax: 01892 533334   
					Email:   
					Rua Dario Pompeu de   
					Camargo, 467   
					13089-080 Campinas, Brasil   
					Fone: +55 (0)19-9276-8820   
					Fax: +55 (0)19-3251-4482   
					Email: [email protected]   
					
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				SV Sound   
					Page 19   
					Notes:   
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				Terms and Conditions   
					Terms and Conditions: Further explanation is yours at any   
					time. Contact your Dealer listed on the previous page. Please   
					note that these terms and conditions do not affect your statutory   
					rights.   
					Shipping: When you receive your new subwoofer, please   
					check to ensure there is no damage. If after unpacking you   
					discover any damage that may have been caused by transporta-   
					tion on your product, we request you contact your Dealer im-   
					mediately and if possible, provide a photo of damage in ques-   
					tion to them to ensure the fastest possible correction to the   
					situation.   
					Warranty: The product has a 3 year warranty against defects   
					in materials and workmanship. Upon return, the products will   
					be repaired and redelivered. Naturally, this warranty does not   
					cover any product subjected to misuse or accidental damage.   
					The bottom line: We’re proud of these subwoofers and want   
					you to be as happy owning one, as we are selling one (or more)   
					to you. E-mail your Dealer or SVS if you have any warranty   
					question.   
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