M-AUDIO CX8 User Manual
Studiophile™
CX8
English
User Guide
!!!
CAUTION ATTENTION:
PRECAUCION:
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE
N’OUVRIR PAS
RIESGO DE ELECTROCHOQUE
NO ABRIR LA TAPA
CAUTION: TO REDUCE THE RISK OF
!
ELECTRIC SHOCK, DO NOT REMOVE
COVER (OR BACK). NO USERSERVICABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE
PERSONNEL
AFIN DEVITER UN CHOC
ELECTRIQUE ET LES
CONSEQUENCES GRAVES QUI
POURRAIENT ENRESULTER, TENTEZ
PAS D’OUVRIR L’APPAREIL ET DE
TOUCHER AUX COMPOSANTS
INTERNES SANS LA PRESENCE
D’UNE PERSONNE QUALIFIEE.
PARA REDUCIREL RIESGO DE
SACUDIDAS ELECTRICAS, NO
DEBERA QUITARSE LA TAPA
(NI PARTE POSTERIOR).
CONSULTESE AL PERSONAL
CAPACITADO PARA LAS
REPARACIONES INTERNAS.
WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR
MOISTURE.
ADVERTENICIA: PARA EVITAR EL RIESGO DE INCENDIO O SACUDIDA ELECTRICA, NO DEBERA
EXPONERSE ESTE APARATO A LA LLUVIA O HUMEDAD.
CAUTION: TO PREVENT ELECTRIC SHOCK DO NOT USE THIS (POLARIZED) PLUG WITH AN
EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY
INSERTED TO PREVENT BLADE EXPOSURE.
ATTENTION: POUR PREVENIR LES CHOCS ELECTRIQUES NE PAS UTILISER CETTE FICHE
POLARISEE AVEC UN PROLONGATEUR. UNE PRISE DE COURANT OU UNE AUTRE SORTIE DE
COURANT, SAUF SILES LAMES PEUVENT ETRE INSEREES A FOND SANS EN LAISSER AUCUNE
PARTIE FOND SANS EN LAISSERAUCUNE PARTIE A DECOUVERT.
PRECAUCION: PARA EVITAR SACUDIDAS ELECTRICAS, NO DEBERA UTILIZARSE ESTA CLAVIJA
POLARIZADA CON UN CORDON DE PROLONGACION, RECEPTACULO U OTRO TIPO DE SALIDA
A MENOS QUE SE HAYAN INSERTASO COMPLETAMENTE LAS LENGÜETAS PARA EVITAR SU
EXPOSICION.
NOTE: Some products are equipped with dual or multi-voltage transformers (which is indicated on the back
panel). If you wish to change the voltage, please bring your unit to an authorized service technician for
internal conversion.
ATTENTION: Quelques piéces sont munies de transformateurs á double ou á multi-voltage (indiqué au
panneau arriére). Si vous voulez changer le voltage, veuillez apporter votre appareil au fournisseur de pour
le transformer.
ZUR BEACHTUNG: Einige Geräte sind mit Umschaltern für unterschiedliche Netzspannungen ausgerüstet
(ein Vermerk auf der Rückseite weist darauf hin).
Die Anpassung, wenn notwendig, muß von einem qualizieren Techniker in einer Servicestation
vorgenommen werden.
NOTA: Ciertos componentes de están dotados de transformadores de doble tensión o de varias tensiones (Io
que se indica en el panel posterior). Si se desea cambiar la tensión, sírvanse llevar el aparato a un técnico
autorizado por para su conversión interna.
NOTE TO CATV SYSTEMS INSTALLER: This reminder is provided to call the CATV system installer’s
attention to Article 820-22 of the NEC that provides guidelines for proper grounding and, in particular,
species that the cable ground shall be connected to the grounding system of the building, as close to the
point of cable entry as practical.
NOTA PARA EL INSTALADOR DE ANTENAS DE TELEVISION COLECTIVAS: La presente advertencia se
provee para llamar la atención del instalador al Artículo 820-22 de NEC (Córdigo Eléctrico Nacional) donde
se facilitan las directrices para la pertinente puesta a tierra y que especica en particular que el condutor a
tierra del cable debe connectarse al sistema de conexión a tierra del edicio, lo más proximo posible al punto
de entrada del cable.
The lightning ash with arrowhead, within an
equilateral triangle, is intended to alert the user of
the presence of uninsulated “dangerous voltage”
within the product’s enclosure; that may be of
sufcient magnitude to constitute a risk of
electric shock to persons.
The exclamation point within an equilateral triangle
is intended to alert the user of the presence of
important operating and maintenance (servicing)
instructions in the literature accompanying the
appliance.
Warning: This speaker shall not be placed in a closed area during operation so that the main switch can be
easily accessed by the user.
IMPORTANT SAFETY INSTRUCTION
1. READ INSTRUCTIONS
All the safety and operating instructions should
be read before the appliance is operated.
2. RETAIN INSTRUCTIONS
The safety and operating instructions should be
retained for future reference.
3. HEED WARNINGS
All warning on the appliance and in the operating
instructions should be adhered to.
4. FOLLOW INSTRUCTIONS
All operating and use instructions should be
followed.
5. WATER AND MOISTURE
The appliance should not be used near water –
for example, near a bathtub, washbowl, kitchen
sink, laundry tub, in a wet basement, or near a
swimming pool, etc.
6. CARTS AND STANDS
The appliance should be used only with a cart or
stand that is recommended by the manufacturer.
6A. An appliance and cart combination should be moved
with care. Quick stops, excessive force, and uneven
sTurfaces may cause the appliance and cart
combination to overturn.
7. WALL OR CEILING MOUNTING
This equipment is not designed
for use mounted on a wall or a
ceiling.
8. VENTILATION
The appliance should be situated so that its
location or position does not interfere with its
proper ventilation. For example, the appliance
should not be situated on a bed, sofa, rug, or
similar surface that may block the ventilation
openings, or places in a built-in installation, such
as bookcase or cabinet that may impede the ow
of air through the ventilation openings.
At least 30 cm free space around the unit for
normal ventilation is required.
9. HEAT
Do not install near any heat sources such
as radiators, heat registers, stoves, or other
apparatus (including ampliers) that produce
heat.
10. CLEANING
The appliance should be cleaned only with dry
cloth.
11. POWER SOURCES
The appliance should be connected to a power
supply only of the type described in the operating
instructions or as marked on the appliance.
12. POWER CORD PROTECTION
Power-supply cord should be routed so that they
are not likely to be walked on or pinched by items
placed upon or against them, playing particular
attention to cords at plugs, convenience
receptacles, and the point where they exit from
the appliance.
13. POLARIZED PLUG
Do not defeat the safety purpose of the polarized
or grounding-type plug. A polarized plug has
two blades with one wider than the other. A
grounding type plug has two blades and a
third grounding prong. The wide blade or the
third prong are provided for your safety. When
the provided plug does not t into your outlet,
consult an electrician for replacement of the
obsolete outlet.
14. UNPLUG POWER CORD
Unplug this apparatus during lightning storms or
when unused for long periods of time.
15. OBJECT AND LIQUID ENTRY
No object lled with liquids, such as vases, etc.
shall be placed on the apparatus.
16. ACCESSORIES
Only use attachments/accessories specied by
the manufacturer.
17. SERVICING
The user should not attempt to service the
appliance beyond that described in the operating
instructions. All other servicing should be referred
to qualied service personnel.
18. DAMAGE REQUIRING SERVICE
The appliance should be serviced by qualied
service personnel when:
a) The power-supply cord or the plug has been
damaged; or
b) Objects have fallen, or liquid has been spilled
into the appliance; or
c) The appliance has been exposed to rain; or
d) The appliance does not appear to operate
normally or exhibits a marked change in
performance; or
e) The appliance has been dropped, or the
enclosure is damaged.
4
English
1. Introduction
Thank you for choosing the M-Audio CX8 bi-amplified studio monitors. The CX line of
loudspeakers build on M-Audio’s legacy of high performance studio monitors and provide
accurate, high-resolution playback that is free of audible distortion and coloration. This
allows you to hear everything that is in your source recordings so that you can create better
mixes.
Even if you are experienced with recording and mixing, please take a moment to read
through this guide. It will give you valuable information about how to set up your CX
monitors and will help you get the most out of your new purchase.
2. What’s in the Box?
This package contains:
CX8 studio monitor (1)
IEC power cable (1)
This User Guide
3. About CX Studio Monitors
Typical mass-market loudspeakers sound pleasing because their designs incorporate a
deliberately uneven, non-linear frequency response that artificially enhances certain bass
and treble frequencies. While it may be quite enjoyable to hear finished albums on such
speakers, actually mixing on this type of monitor is not recommended since such speakers
tend to “smooth over” problem areas and do not reveal everything that should be fixed
during a mix.
Unlike typical mass-market speakers, M-Audio’s CX line of bi-amplified studio monitors
have been designed to provide accurate, highly detailed, reliable playback that is free of
distortion or coloration. This is done by having a tightly integrated system in which the CX
drivers, internal electronics (amplifiers, crossover, etc.), and enclosure all work together
to provide accurate bass, smooth high-frequency transient response, and a highly linear
frequency response through the entire audible range of the speaker. This allows you to
hear everything in your recorded tracks—the good and the bad things—so that you can spot
and fix problems and ultimately create great mixes that “translate” well to other speakers
and audio playback systems.
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English
StudiophileTM CX8 User Guide
Note that the placement and
orientation of the CX monitors
within your studio is important
and correctly placed speakers will
result in improved imaging, clarity,
and overall performance. This
topic is covered in detail in the
“Setting up CX Monitors” section
of this guide.
Also note that the CX monitors
feature several switches that
help you contour the speaker
to your specific studio. When
*About anechoic chambers:
An anechoic chamber is a room in which the
floor, ceiling, and all walls are covered with
sound-absorbent acoustical wedges. These
wedges prevent sounds created within the room
from reflecting back and influencing the acoustic
measurement of the loudspeaker.
Anechoic chambers are considered to be
acoustically “neutral” spaces since the room itself
does not impart any kind of sound to an acoustical
source contained within the room. Because of
this, loudspeakers (including CX monitors) are
commonly measured and tuned in such rooms.
these switches are left in
their default position, the CX
monitor will closely resemble the response characteristics shown in the acoustic
frequency response graph in the appendix. These anechoic* measurements represent
performance of the speaker in an “ideal” environment similar to that found in a
high-end recording studio with carefully tuned acoustics. In the real world, however, the
acoustics of your specific studio (or the placement of your speakers within the studio)
may cause your monitors to exhibit too little (or too much) bass, midrange, or treble.
To help compensate for this, the rear-panel switches contour the frequency response
of the speaker specifically to your studio. These switches are covered in detail in the
“About the Rear-Panel EQ Contour Switches” section of this guide.
It’s in the details:
Did you know the shape and materials of a speaker cabinet can greatly affect the overall
sound of a speaker?
Your CX monitors feature thick walls and a carefully placed internal brace to prevent the
speaker from resonating at low frequencies. This means that the speaker cabinet itself will
not ring along with the low frequency sounds in your mix (such as a kick drum or a bass).
This translates into more accurate bass response.
Furthermore, the rounded (“radiused”) edges and contoured waveguide surrounding the
tweeter are not just cosmetic touches intended to improve the appearance of the speaker.
These features help spread high frequencies evenly around the room and widen the “sweet
spot” between the two speakers.
6
4. Product Features & Specifications
CX8
8” woofer with 1½” voice coil
Waveguide loaded silk-dome tweeter with 1¼” voice coil
Bi-amplified class A/B amplifiers
80W woofer
40W tweeter
Frequency response: 38Hz to 30kHz (+/- 3dB)
XLR, 1/4” TRS, and RCA inputs
Magnetically shielded for placement near CRT (tube-based) monitors and
televisions
Rear panel contour switches to optimize placement within any studio
Sturdy, acoustically inert 1” front and rear MDF baffles to prevent cabinet
resonances
Flared rear firing port for audibly increased system headroom
Optimized internal bracing to minimize sonic “coloration” caused by the cabinet
Radiused (rounded) cabinet edges and acoustical waveguide for even high-
frequency dispersion
Speaker protection:
• Output current limiting
• Over-temperature
• Transient on/off protection to prevent speaker “pops”
• Subsonic lter
• External mains fuse
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