SV Sound SVS Sound Car Speaker PC12 NSD User Manual

Manual Version 1.4 June 2011  
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STA-400D Equipped Subs  
SV Sound, LLC  
Important Safety Instructions  
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 dry cloth.  
7. Do not block any ventilation openings. Install in accordance with the manufacturers 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 any polarized or grounding-type plug. A polarized plug has two  
blades with one wider than the other. A grounding type plug has two prongs and a third grounding  
point. 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 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.  
FIG. 1  
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Important Safety Instructions  
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 liquids, 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.  
FIG. 2  
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WELCOME  
At SVS, you can actually hear the tireless research and design efforts built into our subwoofers and speak-  
ers. Years are spent developing any SVS product. These days our teams work typically span from our Ohio  
headquarters to all corners of the USA and of course with the finest component suppliers in Asia and Europe  
as well. Nearly nothing in our speakers is an “off the shelf” part. We spend more and tend to overbuild our  
stuff, because that’s how our customers like it.  
SVS is committed to making better sound systems with elegant looks, robust construction, world-class tech-  
nology and materials. We believe you deserve nothing less. This manual and the printed Quick Start sheet  
will help integrate your speakers and subwoofer quickly and with professional results. Armed with only a few  
basic tools, such a sound pressure level (SPL) meter, and the test tones built in to most audio/video receivers  
(AVR), you will achieve smooth, detailed and powerful reproduction of all your favorite music and movie audio.  
Expect to hear things you never heard before… and expect not to hear some of the artifacts you might have  
accepted in the past from inferior brands.  
Have a question about your surround sound system? For more information about SVS products check  
out our US website, or speak with the exclusive dealer for your region. Regardless, contact us via phone or  
email should you have questions about our products. SVS was founded by audio enthusiasts — our dedica-  
tion to customer service is the only thing rivaling the products we create.  
:
The SVS Team, Ohio, USA  
June 2011  
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About your SVS Subwoofer  
There maybe be other subwoofers that look like them, but virtually none work like them. SVS  
subwoofers are decidedly different in how they are designed, produced, sold, and the exceptionally high quality com-  
ponents we use. You could have spent much more on other brands and still not come close to the performance  
our products provide. What makes a subwoofer an SVS?  
Quality components, sane prices. You might be surprised at how inexpensive the components in  
some not-so-inexpensive subwoofers are. At SVS, performance is king... not cutting a few dollars from our cost  
to build. We range the world with our engineers and use the best stuff and best suppliers in the business.  
Innovative designs, rich materials. We test all our materials, and features in the real world, and  
build stuff our own in-house enthusiasts would buy with our own hard-earned money! “Over-built” SVS cabinet  
construction ensures rigid cores for decades of solid performance. All our subwoofers offer computer controlled  
panel cutting, steel fasteners, recessed components, custom parts made just for us at every turn. Tap the side  
of your sub, look at the solid construction, or remove your powder-coated grill. You’ll know what we mean.  
Sealed, or vented; down-firing or front-firing cabinets. An SVS tradition. Offering a variety of form  
factors which provide exceptional performance yet also a compact foot print which complements your room style.  
Features and controls. Variable phase, defeat-able crossovers, even power saving auto-on mode. Flex-  
ible hookup options mean your SVS subwoofer can adapt to your space. Spend time exploring this guide and  
:
contact your dealer if you require assistance on any feature.  
World class driver power. SVS woofers have arguably been the industry’s best for a decade. Now our  
advanced amplifiers raise the bar to new levels with digital signal processing (DSP) tuned pre-amps. With all new  
power stages, more sophisticated protection our subs achieve exceptional depth, tremendous power and flat,  
natural sound that defies price points or sometimes even words. To hear everything your favorite movies and mu-  
sic have to offer you need the most refined power available. SVS Sledge™ DSP amps push our exclusive woofers  
like nothing else can.  
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Connectivity & Panel Operations  
STA-400D Connectivity and Panel Operation  
The STA-400D Sledge™ amplifier in this SVS subwoofer has simple and straightforward connectivity and  
control options that make integrating the subwoofer into the  
listening environment an easy task. Even though the STA-400D  
uses what appears to be analog controls, all functions are  
actually implemented digitally in the amplifier. This allows  
a more linear and accurate implementation of controls which  
again, facilitates setup and repeatability of configuration.  
Inputs  
There are two low level input connectors on the STA-400D:  
One labeled Line In Left (white) and the other labeled Line In  
Right (red). The input signal(s) can have a “High Pass Filter”  
applied which affects the signal presented to the STA-400D’s  
“High Pass Out” RCA jack (single output).  
Input Configuration  
Typically today most Audio Video Receivers (AVRs) and Pre-amp  
Processors (pre/pros) have subwoofer/bass management  
capability. So, connectivity to the STA-400D amp is usually  
FIG. 3  
via a single coaxial signal cable terminated with familiar large  
pin-type RCA connectors. SVS sells such cables in several common lengths. The subwoofer signal cable runs from  
the “Subwoofer Pre-Out” on the AVR or pre/pro to either the Left or Right low level input of your sub. It does  
not matter which you use. This “typical” hookup assumes: 1.) The AVR or pre/pro does bass management for  
the satellite (SAT) speakers connected to it. 2.) Handles the merging of any LFE (.1 channel in multi-channel  
audio) content with the bass from the SAT speakers. 3.) Manages the proper delay of all speakers and the  
subwoofer through a distance or time delay function for each utilized audio channel. Nearly all modern  
AVR’s do each of these things. (see figure 4)  
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Connectivity & Panel Operations  
FIG. 4  
Alternatively, especially for two-channel preamps that don’t have (or don’t use) any digital management, the  
typical connectivity scenario would be to use both the main channel Left and Right (L/R) inputs into the STA-  
400D. In this case the subwoofer would sit between the main L/R low level outputs of the preamp and the  
L/R low level inputs of the STA-400D, with the L/R outputs of the STA-400D going to the inputs of the power  
amplifier for the system’s L/R main speakers. (see figure 5)  
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Connectivity & Panel Operations  
FIG. 5  
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Connectivity & Panel Operations  
If you have one of SVS’s AS-EQ1 high-resolution, multi-subwoofer Equalizers, see Figure 6 for proper connec-  
tivity with one or more subwoofers. Also refer to your AS-EQ1 Operator Manual for detailed information on  
connectivity and setup of the AS-EQ1 into your listening environment. (see figure 6)  
FIG. 6  
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Connectivity & Panel Operations  
Outputs  
There are two sets of output connectors on the STA-400D. One set (labeled Line Out) is unfiltered and carries  
the same signal as found on the input connectors. The set labeled High Pass Out has a high pass filter applied  
which has a corner frequency of 80Hz and a slope of -12 dB per octave.  
The output connectors are typically used to either daisy-chain additional subwoofers with a single, unfiltered  
output, or as the input to a power amplifier for the Left and Right main channels with no filtering or the 80Hz  
High Pass applied depending on which set of connectors are used.  
Limiter LED  
The limiter LED illuminates when the amplifier is being over driven, protecting the driver and amplifier from  
potential damage. This LED may flicker during exceptionally loud passages which should cause no concern.  
If the LED is lit continuously, you should lower the input signal, the amplifier gain, or a combination of both to  
ensure you are receiving full dynamic range of the amplifier.  
Power Mode Switch  
The Power Mode switch allows the STA-400D to either stay on all the time (On), or go into standby (Auto) if no  
signal is being received. When in standby mode and a signal is detected on one of the inputs, the STA-400D  
will turn on and begin playing the material.  
Power LED  
The power LED will be green when the subwoofer is on and ready to receive (or is receiving) an audio signal.  
When the Power Mode switch is On, the LED will constantly be green. When the Power Mode switch is on  
Auto, the LED will be off when the amplifier is in standby, and green when receiving signal.  
Phase  
The Phase control allows you to adjust the timing of sound coming from your subwoofer. Normally this control  
should be set to 0, but if you have multiple subwoofers in different parts of your listening environment, this  
control can be use to ensure the sound from both arrives at a listening position at the same time. Alternatively  
this control can be used to better blend the subwoofer with the front main channels if necessary.  
Low Pass Control  
The Low Pass control adjusts the STA-400D’s internal low pass filter. Effectively this controls the low frequencies  
the subwoofer will play. Setting this control will allow frequencies below the control setting to be output from the  
subwoofer and those above it will be rolled off at -12 dB per octave. Full clockwise rotation disables the LPF.  
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Connectivity & Panel Operations  
Gain Control  
The Gain control effectively adjusts the output level (volume) of the subwoofer. The higher the gain control is  
set (towards MAX) the louder the subwoofer will play. Please be aware that high Gain settings may cause the  
STA-400D’s Limiter to engage during loud passages. See the discussion regarding the Limiter LED above for  
more information.  
Main Power Switch  
Use this switch to apply power to the STA-400D amplifier.  
Power Cord  
Plug the power cord into a wall outlet. It is not recommended that the subwoofer be plugged into a conve-  
nience outlet on the back of a AVR or pre/pro as they are not rated for the level of power required Do not use  
extension cords to lengthen the cord.  
Note the power receptacle also contains the main fuse for the amplifier.  
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Setup, Calibration & Integration  
Before using your new subwoofer, it is important to get it set up and integrated into the rest of your audio or  
home theater system to ensure optimum results. Failure to properly set up and calibrate your new subwoofer  
may result in too much, too little, or boomy bass, none of which provides the best overall listening experience.  
There are multiple ways to set up and calibrate your subwoofer depending upon what type of equipment you  
have and how many subwoofers you will be using. Each common scenario will be covered below, however if  
you have questions about your specific situation that are not covered here, contact SVS Technical Support at  
Unpacking and Subwoofer Location  
If you have not already done so, take a few minutes to carefully unpack your new subwoofer. Try to avoid damaging  
the shipping materials and keep the box and internal cushioning for a short time just in case you need to return the  
sub for any reason.  
There continues to be much discussion about subwoofer placement. If you have done your research and determined  
the best place for your sub(s) in your room, that’s great. If not, we recommend starting in a corner, especially in large  
rooms, leaving about five to six inches in back for cable hookups and to access controls.  
Corners provide the most reinforcement for both sub level and extension and in most rooms provide good response  
in most listening positions. However all the things that make a corner good can also work against you in some  
cases, causing locations in the room where bass may sound overly loud compared to other locations or inversely,  
bass may be lacking the punch you expect. If you find there is too much bass at certain frequencies or bass response  
is uneven in the room, experiment with different placement options around the room. There is surprisingly little dif-  
ference between the front and the back of a room when the subwoofer is properly calibrated so feel free to try any  
location that is convenient or meets aesthetic criteria for placement in the room.  
Power and Signal Connection  
Before making any power or signal connections, make sure all equipment in the chain is turned off. Plug the  
subwoofer into a power outlet that is capable of a peak draw of 600 watts. Using convenience outlets located  
on some AVR receivers or pre/pros is NOT recommended for your subwoofer as these outlets are not meant  
for high current devices.  
For a discussion of the audio connections available on your subwoofer, see the section earlier in the manual  
entitled “STA-400D Connectivity and Panel Operation”.  
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Setup, Calibration & Integration  
From an audio signal connection perspective, there are two primary ways you can connect the sub-  
woofer based upon the capabilities of the AVR, pre/pro, or preamp you are using in your  
listening environment:  
1) Bass Management and time alignment performed in the AVR or pre/pro. In this  
configuration it is assumed that the subwoofer will be passed a signal intended strictly for the  
subwoofer – in other words it has no additional higher-frequency information that needs to be ac-  
counted for.  
Normally, you would use a single coaxial RCA cable from your AVR or pre/pro’s “Sub Pre Out” con-  
nector and attach it to either the Left or Right Low Level Line In connector on the STA-400D ampli-  
fier. Turn the Low Pass control fully clockwise to disable the STA-400D’s internal low pass filter. If  
you have multiple subwoofers you can split the signal at the AVR or pre/pro using a “Y” adapter,  
or you can daisy-chain an additional subwoofer through the Low Level Line Out connector on the  
STA-400D amplifier.  
2) Bass Management performed in subwoofer. In this configuration, it is assumed  
that due to the lack of bass management in a preamp (typical for 2 channel analog systems) bass  
management will be handled using the features of the STA-400D amplifier.  
If you are using one subwoofer for the bass of both left and Right Channels, connect the Left and  
Right preamp Outputs for these channels to the corresponding Line In connections of the STA-  
400D. Normally the High Pass Outputs of the STA-400D will be connected to the Inputs of the  
power amplifier for the main Left and Right speakers.  
Using the High Pass Outputs will send all frequencies above 80Hz with a -12 dB per octave slope  
to the power amplifier for your speakers. The Low Pass filter control on the STA-400D should be  
adjusted to provide the best integration of your speakers with the subwoofer. If you are using two  
subwoofers (one for each channel), connect as above using one sub for the Left channel and one  
sub for the right channel.  
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Setup, Calibration & Integration  
Calibrating the Subwoofer  
In order to get the best experience from your new SVS subwoofer, it is important to calibrate it with  
the rest of your speakers. To do this correctly you either need an AVR or pre/pro with “Auto Setup”  
capability, or you will need a Sound Pressure Level (SPL) Meter (preferably with Analog display) like  
those sold by Radio Shack as well as a source of test tones. It is highly unlikely the subwoofer level  
can be set correctly using hearing alone due to the difference in hearing capability of individuals,  
as well as the decreased level of hearing sensitivity in the lower frequencies. Therefore it is highly  
discouraged to use your ears as a substitute for the SPL meter.  
If you have two or more subwoofers in your system, it is important that they be level matched (set  
at the same level relative to one another) before starting the calibration process. If the subs are not  
level matched, there is a risk of unbalanced bass and potential subwoofer localization in your lis-  
tening environment. This level matching process is best performed using a SPL meter as discussed  
above.  
1) AVR or pre/pro with auto setup capability. Many AVRs and pre/pros newer than 2004  
to 2005 have some form of auto setup capability that does a good job of setting channel levels and  
speaker distances, making calibrating your subwoofer very easy. Review the documentation that came  
with your AVR or pre/pro on how to run the auto setup feature. Connect your subwoofer and set the  
Gain control between 10:00 and 11:00 o’clock and run the auto setup routine.  
At the completion of running the auto setup routine, there are two things you should check in your AVR  
or pre/pro’s Manual Speaker Setup menu to make sure your subwoofer has been integrated properly:  
a) Check to see your speakers are all set to small with a suggested crossover of no lower than 80 Hz.  
If already small and the crossover is higher than 80 Hz the setting should be left as is.  
b) Check to make sure your subwoofer trim value does not exceed the positive or negative limits of trim  
(typically +12 dB to -12 dB but may be different based upon your equipment). A value at the negative  
limit (example, -12 dB) indicates the Volume on the subwoofer was set too high. Lower the Gain on the  
subwoofer and re-run the auto setup routine. If the subwoofer trim is at the positive limit, raise the  
Gain on the subwoofer and re-run the auto setup routine.  
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Setup, Calibration & Integration  
2) AVR or pre/pro without auto setup capability. Older AVRs or pre/pros may not have  
auto setup capability. In this case, you will need a Sound Pressure Level (SPL) meter and a source  
of test tones used to set speaker levels. SPL meters can be purchased at Radio Shack, usually for  
less than $50. Even older multi-channel receivers and pre/pros have built-in test tones but if yours  
doesn’t, calibration disks are available that have the tones needed to accurately set speaker and  
subwoofer levels. SVS typically recommends the AVIA II Guide to Home Theater by Ovation Soft-  
ware as a good calibration disk.  
Before starting, familiarize yourself with your AVR or pre/pro’s setup and configuration menu. Of  
particular importance are the menus dealing with setting up your speakers (distance, level, size,  
crossover, etc.). Once you have read and feel comfortable with setting up your speakers, you are  
ready to begin.  
Start by making sure your AVR or pre/pro knows you have a subwoofer in your system. Sometimes  
the menu item will be “Subwoofer = Yes, or “SUB ON”, etc. Ensure all speakers are set to Small  
and have crossovers set no lower than 80 Hz (a speaker set to Small – as opposed to Large or Full  
Range – will cause bass frequencies below the selected crossover to be routed from the speaker to  
the subwoofer).  
a) Make sure you have a known good battery in the SPL meter (use the Battery Function). Set the  
“Weighing” switch to “C”, and the “Response” switch to “Slow”.  
b) Set the “Range” dial to “70” to start. Consequently, when the meter displays “0”, that will indi-  
cate 70 dB. When the meter reads “5”, that will indicate 75 dB. When the meter reads “-3” (left of  
“0”), that will indicate 67 dB.  
c) In the AVR or pre/pro speaker setup menu, set the value of the subwoofer trim to -3 db. Set the  
Master Volume (main volume control) of the AVR or pre/pro to 0.0 dB. In most units, this will pro-  
duce a reading of close to 75 dB on the SPL meter when playing the test tones on your speakers.  
d) Place the SPL meter in your main listening position, ideally on a tripod (the Radio Shack SPL me-  
ter will mount to a standard camera tripod adapter) with the unit pointed straight up (microphone  
pointed at the ceiling). Adjust the tripod so the microphone is roughly at ear height.  
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Setup, Calibration & Integration  
e) Using the Manual Speaker Setup menu of your receiver or pre/pro, play the speaker level match-  
ing test tone and adjust each speaker to read 75 dB (“5” on the meter with the range switch set to  
70) using the speaker trim controls found in the menu for each channel. When playing the test tone  
for the subwoofer, use the Gain control on the STA-400D to raise or lower the level of the subwoofer  
to read 75 dB leaving the subwoofer trim control in the AVR or pre/pro set to -3 dB. (Note the meter  
may fluctuate by several dB when measuring the subwoofer. This is normal and what you are seeing  
are room modes in play. Use the average of the swings to determine the volume of the subwoofer.)  
If you have two subwoofers, you should split the difference between the two when making level  
adjustments. For example, if you need to lower the combined level of the two subs by 4 dB, lower  
each sub by 2 dB.  
f) From this point forward to add to or decrease the level of your subwoofer(s), use the subwoofer  
trim in your receiver. In some cases the level of your subwoofer trim may exceed +/- 5 dB after  
tweaking your sub level to taste. If this occurs, use your SPL meter and a combination of the sub-  
woofer trim in your AVR or pre/pro and the Gain control on the STA-400D to get the subwoofer trim  
back to -3 dB while reading your desired subwoofer level.  
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Terms & Conditions  
Terms and Conditions: Details are available on request, please contact your Dealer for more. 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 transportation on your product, we request you contact  
SVS or if outside the USA your Dealer immediately and if possible, provide a photo of damage in question 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 our products and want you to be as happy owning one, as we are selling one (or  
more) to you. E-mail your Dealer if you have any warranty question or contact SVS directly if in North America.  
SV Sound, LLC  
6420 Belmont Avenue, Girard, Ohio 44420  
Fax: 703-997-2603  
Phone: 877-626-5623  
Technical Support: [email protected]  
Call SVSound877.626.5623  
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18  

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