StudiophileBX10sSubwoofer"UserGuide
Gain Boost* : no matter what the setting of the Volume With knobthis , method,youll you would place the BX10s in the chair in your listening
add 10dB of gain by switching in this function. Itposition.s really most (Presumablappropriate y, this is at the apex of an isosceles triangle between
for multichannel operation: Dolby Laboratories requiryes our the left LFE and channel right to direct-eld monitors.) Play some music with substantial
be encoded at -10dB relative to the other channels for bass Dolbfry equencies Digital. into So the if BX10s at a comfortable listening level. (Pink noise
your BX10s is calibrated to have an even level response works relativgreat e to for your this main too.) Crawl around the oor of your room and listen for
monitors, and if youre using the BX10s solely as your a place LFE rwhereproducere the , sound you is fullest but also tight sounding.English Wherever that
can engage the gain boost and perform your multichannel mix with the isbingo!thats lewhervels e your BX10s will go. If you want to be more precise,
set appropriately. you can use a 1/12th-octave real-time (spectrum) analyzer instead of your
ears and perform the same exercise. (If you do this, make sure you play pink
Volume : you should always send a line-level signal noise to the as BX10s the test inputs.signal and observe where the spectral response is smoothest
When the volume control is all the way up, 85mV of pink and has grnoise at eatest lothe input w-frwill equency extension.)
produce 100dBA output SPL at one meter from the front bafe. The volume
control affects the level going to the BX10s amplier Please and does note not that affect because the low-frequency signals radiate omnidirectionally, you
level of the BX10s outputs that feed your direct-eld may monitors.nd that the Generallbest location y, sonically for the BX10s is quite inconvenient
we recommend that you try to get the attest, most evliken e system in an raresponse ea of your studio with a lot of foot trafc. If this is the case, you
between your subwoofer and your direct-eld monitorsso can depending simply ip on the Phase switch on the BX10s back panel and repeat the
the acoustics of your environment and how youve set exup erciseyour , hoping fsignal path or a more convenient outcome.
and levels, you should spend a few minutes calibrating the respective levels of
Finally, once youve placed the BX10s where you believe it will sound best,
the subwoofer and each of your main monitors. If you have access to pink
give yourself a sanity check and play some material along with direct-eld
noise signals and/or swept sine waves (linear and logarithmic), they can be of
monitors, listening from your standard mix position. (Make sure the BX10s
great help for ensuring your system has the smoothest tonal balance from
level, phase, and crossover are set appropriately.) If something is askew, try
top to bottom.
out some new subwoofer locations. As always, please feel free to experiment
Subwoofer Bypass : this is a 1/4 mono jack for connecting with differa ent non-locations (and different directions for facing the driver)... you
latching footswitch like the M-Audio SP-1 or any sustain may pedal inadverfor tentla ky eyboarnd a d better way to place the subwoofer even if you think
controller. In 2-channel situations, toggling the fits curootswitch rent location alrtriggers a relaeady sounds gy ood.
circuit that mutes the subwoofer output and reroutes the full-bandwidth
audio signal directly to your direct-eld monitors. In essence, it takes the
subwoofer (with its crossover) completely out of the signal path so you can
YourBX10sWarranty
easily audition your mixes both with and without the presence of the BX10s
subwoofers low frequency extensionall from your mixing position. This
Warranty Terms
function can also be useful for multichannel operation. Further, if all you have
M-Audio warrants products to be free from defects in materials and
is a latching footswitch (which is normally open), you can still use it to operate
workmanship, under normal use and provided that the product is owned by
this function. Note that when the BX10s is in bypass mode, the blue power
the original, registered user. Visit www.m-audio.com/warranty for terms and
LED on its front face turns red.
limitations applying to your specic product.
*For more information on using a subwoofer for multichannel applications,
Warranty Registration
please visit www.dolby.com, www.dtsonline.com, or www.thx.com.
Thank you for registering your new M-Audio product. Doing so immediately
both entitles you to full warranty coverage and helps M-Audio develop
and manufacture the nest quality products available . Register online at
PlacingtheBX10swww.m-audio.com/register for the chance to win M-Audio giveaways.
The location location location cliché doesnt only apply to the real estate
market. Its equally (if not more) applicable to the subject of loudspeakers
and room acoustics. As you can imagine, where you place the BX10s in your
room can have a huge impact on how it will sound. In fact, any well-designed,
powerful subwoofer can sound like a complete dud in your monitoring setup
if youve placed it poorly. (This tenet applies for any loudspeaker, but its
especially true for low-frequency reproducers like subwoofers.)
There are lots of opinions on the best method to determine the optimal
location for your subwooferin fact, if you ask three different studio
engineers, theyll probably give you six different answers. But we cant
emphasize enough how important this issue is, so please take a little time to
think about subwoofer placementkeeping in mind that the shape of your
room, its dimensions (including ceiling height), the wall construction, and
any acoustic treatment you have can all conspire to affect the subwoofers
apparent performance. Remember, also, that the frequency of any given signal
is inversely proportional to its wavelengthso, for example, at 40Hz, one
wavelength is about 8.5 meters or 28 feet; at 80Hz one wavelength is a little
over 4 meters, or 14 feet; etc.
Where to start: rst of all, you should always place the subwoofer on the
oor when you are using itnever on a table or speaker stand. One theory
suggests that the best position for a subwoofer in a 2-channel system is on the
oor half-way between your left and right direct-eld monitors, with its front
facing forward and in the same plane as the direct-eld speakers. From there,
you can adjust the subwoofers position until it is most correct. Another
theory dictates that you should start with the subwoofer in a corner of the
rooms oor, where the adjacent walls can help the subwoofer maximize the
amount of sound it radiates; and then you can adjust the position to suit
your specic monitoring setup. Both of these methods are valid, but theres
yet another method that a lot of mix engineers have employed with great
successi.e., by exploiting the law of bilateral symmetry.
The web sites mentioned above are examples only and are in no way associated or afliated with M-Audio or Avid Technology, Inc. M-Audio does not
guarantee the performance or availability of these services. Studiophile BX10s is not endorsed, sponsored, or approved by these companies.
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