BX5a
User Guide
CAUTION:
ATTENTION:
PRECAUCION:
TO PREVENT ELECTRIC SHOCK DO NOTUSETHIS (POLARISED) PLUGWITHAN EXTENSION
CORD
, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO
PREVENTBLAD
E EXPOSURE.
POUR PREVENIR LES CHOCS ELECTRIQUES NE PAS UTILISER CETTE FICHE POLARISEE
AVE
C UN PROLONGATEUR. UNE PRISE DE COURANT OU UNE AUTRE SORTIE DE COURANT, SAUF
SILE
S LAMES PEUVENT ETRE INSEREES A FOND SANS EN LAISSER AUCuNE PARTIE FOND SANS EN
LAISSERAUCUN
E PARTIEA DECOUVERT.
PARA EVITAR SACUDIDAS ELECTRICAS, NO DEBERA UTILIZARSE ESTA CLAVIJA
POLARIZAD
A CON UN CORDON DE PROLONGACION, RECEPTACULO U OTRO TIPO DE SALIDA A
MENO
S QUE SE HAYAN INSERTASO COMPLETAMENTE LAS LENG ETAS PARA EVITAR SU
EXPOSICION.
Ü
NOTE:
ATTENTION:
ZU
R BEAC HTUNG:
NOTA:
Som
e 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 authorised service technician for internal
conversion.
Quelque
s pi ces sont munies de transformateurs double ou multi-voltage (indiqu au
pannea
u arri re). Si vous voulez changer le voltage, veuillez apporter votre appareil au fournisseur de pour
le transformer.
Einige Ger te sind mit Umschaltern f r unterschiedliche Netzspannungern ausger stet
(Ei
n Vermerk auf der R ckseitewei st darauf hin).
Di
e Anpassung, wenn notwendig, mu von einem qualifizieren Techniker in einer Servicestation
vorgenommenw erden.
Cierto
s componentes de est n dotados de transformadores de doble tensi n o de varias tensiones (Io
qu
e se indica en el panel posterior). Si se desea cambiar la tensi n, s rvanse llevar el aparato a un t cnico
autorizad
o por para su conversi n interna.
é á á é
é
ä ü ü
ü
ß
á ó
ó í é
ó
NOT
E TO CATV systems installer:
NOTA PARA EL INSTALADOR DE ANTENAS DE TELEVISION COLECTIVAS:
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,specifies that the cable
groun
d shall be connected to the grounding system of the building, as close to the point of cable entry as practical.
La presente advertencia se
prove
e para llamar la atenci n del instalador al Art culo 820-22 de NEC (C rdigo El ctrico Nacional) donde se
facilitan las directrices para la pertinente puesta a tierra y que especifica en particular que el condutor a tierra del
cabl
e debe connectarse al sistema de conexi n a tierra del edificio, lo m s proximo posible al punto de entrada
de
l cable.
ó í ó é
ó á
The lightn ing flash w ith 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 sufficient
magnitud
e to constitute a risk of electric shock
to p ersons.
Th
e exc lamation point within an equilateral triangle is
intende
d to alert the user of t he presence of
importan
t operating and maintenance (servicing)
instruction
s in the literature accompanying the
appliance.
Warning: This speaker shall not be placed in the close area during the operation
so that the mains switch can be easily accessed by the user.
AFIN DEVITER UN
CHOC ELECTRIQUE
ET LES CONSEQUENCES
GRAVES QUI POURRAIENT
EN RESULTER, TENTEZ
PA
S D'OUVRIR L'APPAREIL
ET DE TOUCHER AUX
COMPOSANT
S INTERNES
SAN
S LA PRESENCE D'UNE
PERSONN
E QUALIFIEE.
PAR
A REDUCIR EL RIESGO
DE SACUDIDAS ELECTRICAS,
NOD EBERA QUITARSE LA
TAPA(NI PARTE POSTERIOR).
CONSULTES
E ALP ERSONAL
CAPACITAD
O PARAL AS
RE
PARACIONESINTERN AS.
Studiophile BX5a
3
Studiophile BX5a
English
Introduction
Thank you for choosing the Studiophile Series BX5a bi-amplified studio near-field monitor speakers. MAudio is well known for digital audio interface technology, digital converters, audio preamps and mixers.
Now, after extensive research and development, M-Audio is proud to present the Studiophile BX5a.
The BX5a was designed and tested by veteran audio engineers to meet your needs in a studio monitoring
environment. It is focused on the functional goal of delivering pure, original sound without any additional
coloration. The BX5a monitor is self-powered, directly accepting a line-level signal from a variety of
sources.
The Studiophile BX5a is designed to overcome all the limitations of conventional studio reference monitors
within the digital audio environment. This system delivers a wide-range frequency response by employing
two extraordinary drivers and unique crossover technology licensed by M-Audio. It boasts a stable and
balanced low-mid frequency response along with a defined mid and high-frequency response as well.
Both drivers are magnetically shielded for desktop music production.
For pro engineers at commercial studios to home studio owners, the Studiophile BX5a sets a new
affordable standard in studio monitoring.
What’s in the Box?
Your Studiophile BX5a box contains:
• Two BX5a speakers
• Two detachable AC power cords
• This manual
Studiophile BX5a Features
1. Woofer
The woofer unit is 5 inches in diameter with a magnetically shielded Kevlar cone, high-temperature voice
coil and damped rubber surround. It is designed to deliver balanced mid and low-frequency response.
M-Audio’s new BX5a employs Kevlar for low-frequency driver construction. The same material used in
bullet-proof vests, Kevlar’s high resilience makes it ideal for use in speaker cones—although it is typically
reserved for monitors with higher price tags than the BX5a. Needless to say, Kevlar represents a significant
improvement over the polypropylene and paper used in most monitors at this price.
2. Tweeter
By employing a specially developed 1-inch silk dome with magnetic shielding, the tweeter can deliver
distortion-free original sound and offer an extremely natural response. Its design minimizes reaction time
by using a specially shaped silk dome for excellent delivery, and also minimizes resonance by adapting
a unique internal damping technology.
3. Sub-Frequency Port
The air vent hole in the rear panel is called a Sub-Frequency Vent Port and is designed to allow the
discharge of extremely low frequencies occurring below 60Hz.
English
4
4. Enclosure
Like the other components, the BX5a’s enclosure has an important role in shaping the overall sonic
response. In order to provide more stable performance, the BX5a’s enclosure employs a special high
acoustic efficiency MDF and unique interior reinforcement designed to absorb vibration and impact
generated under extreme conditions. The custom design on the front panel will aid in diffraction and will
benefit stereo imaging.
5. Network and Power Amplifiers
The active crossover network and power amplifiers for the BX5a are specially designed for its woofer
and tweeter. The network properly distributes low, mid, and high frequencies to the driver components in
order to reduce distortion and loss of sound, thus achieving a naturally balanced sound.
In order to generate powerful, ultra-crisp sound, there are two separate power amplifiers inside the BX5a
for driving the woofer and tweeter separately in a high-end bi-amp structure. The power delivered to the
woofer driver at a low-rated distortion is 40W, and 30W is also delivered to the tweeter.
Front and Rear Panel Features
Rear Panel Features
1. XLR INPUT: This jack accepts XLR input connections with either balanced or unbalanced
wiring. The input wiring of an XLR connector should be as follows:
< XLR PIN 1 . . . . . signal ground (shield)
< XLR PIN 2 . . . . . signal positive (+)
< XLR PIN 3 . . . . . signal negative (–)
2. TRS INPUT: This jack accepts 1/4” connections with either balanced or unbalanced wiring. For
balanced wiring, a three-conductor TRS plug is necessary. The input wiring of a TRS connector
should be as follows:
< TRS TIP . . . . . . . signal positive (+)
< TRS RING . . . . . signal negative (–)
< TRS SLEEVE . . . . signal ground (shield)
5
Studiophile BX5a
English
Unbalanced 1/4” wiring can be done with either a two- or three-conductor (TS or TRS) plug. A two-conductor
(TS) plug automatically grounds the signal negative input, whereas a three-conductor (TRS) plug, wired
unbalanced, provides the option of leaving the negative input open or grounded. We recommend that
you ground the unused negative input (this can be done by wiring the ring and sleeve of the TRS plug
together).
The TRS input is summed through a balanced input amplifier with the XLR input, allowing both inputs to
be used simultaneously. Input specifications apply to both.
3. PRODUCT SPECIFICATION: This label contains the model and specification information.
4. SUB-FREQUENCY VENT PORT: This port aids in reproduction of very low frequencies by discharging
frequencies below 60Hz.
5. VOLUME CONTROL: Use the volume control to set the output sound pressure from the BX5a to
proper levels as required.
6. POWER RECEPTACLE: Accepts a detachable 3-circuit line cord in order to power the monitor.
7. FUSE HOLDER: Holds the external main fuse.
8. VOLTAGE-SELECT SWITCH: Provides two selections, 115V AC and 230V AC, and should be set to
match the “house supply” (receptacle) voltage of the country or location in which the speaker is
used. The 115V setting is correct for the USA, while the 230V setting is correct for most of the UK
and Europe.
9. POWER SWITCH: This switch turns the monitor on and off.
Front Panel Features
The front panel houses the Power LED, which indicates whether the speakers (amplifier) power is on or
off.
6
Installation
For optimal performance of the BX5a, please read the following thoroughly and carefully prior to
installation.
Precautions
Handling: Please do not touch the speaker cones. The BX5a set is packaged in the box tightly, so your
attention is required when taking the monitors out of the box. To avoid possible damage to the speaker
units, hold both sides of the monitor in order to pull it out of the box. The speaker cones should not be
touched in order to avoid damage even after they are out of the box.
Correct Power Operation: Since the BX5a contains its own amplifier, it must be connected to a power
outlet using the detachable AC cable provided. Before connecting power, please make sure that the
Voltage-Select Switch located on the speaker’s rear panel is set to the appropriate position, as described
in the rear-panel features list appearing earlier in this manual.
WARNING! - Use of improper Voltage-Select Switch combinations may result in hazardous
conditions and/or damage to speaker components not covered by speaker warranty.
Connections: You can connect either an XLR balanced cable or TRS balanced/unbalanced cable from the
input of each BX5a to your corresponding preamp, computer or game console outputs. We recommend
that you use high-quality balanced or unbalanced cables for input connections. Also, ALWAYS turn off the
power of the BX5a and turn the volume of the BX5a down to a minimum before making the necessary
connections.
XLR Balanced Connection
Assure that the power switch of the BX5a is turned off and that the volume control of the BX5a is turned
down to a minimum. Connect the male end of an XLR balanced cable to the balanced input of the BX5a
(refer to the following diagram for balanced connection).
TRS Balanced/Unbalanced Connection
Assure that the power switch of the BX5a is turned to off and that the volume control of the BX5a is turned
down to a minimum. Connect the male end of a TRS balanced or TS unbalanced cable to the TRS input of
the BX5a (refer to the following diagram for TRS connection).
7
Studiophile BX5a
English
Connecting to Preamp or Computer Outputs
Before connecting, make sure the output device’s power has been turned off. Plug the XLR balanced, TRS
balanced or TS unbalanced cable to the corresponding output connectors of a pre-amplifier, computer
or game console.
Placing the BX5a
Placing the speakers is one of the most important procedures in order to monitor sound accurately. To
monitor with the BX5a’s performing to their maximum capability, an appropriate listening environment
and correct placement are required. Please refer to the following for correct BX5a placement.
1. The two units and the listener should basically align to form a regular triangle. Refer to the following
diagram.
2. Position the monitors so that the top of the woofers are level with your ears in a normal listening
environment. Refer to the following diagram.
3. Place the BX5a’s vertically with the woofer on the bottom. Placing the BX5a’s horizontally is not
recommended.
Remarks: DO NOT place any obstacles that may block the flow of air in front or between the
monitors. Also remove reflective materials such as glass, mirrors or metal from the monitoring
environment. PLACE THOSE MATERIALS AWAY FROM THE PATH OF THE SOUND FROM
THE BX5a’s.
8
Contact Information
If you have any questions, comments or suggestions about this or any M-Audio product, we invite you to
contact us by using the following information:
M-AUDIO U.S. -
5795 Martin Road, Ir windale, CA 91706-6211, U.S.A.
M-AUDIO Deutschland ( Germany) -
Kuhallmand 34, D-74613 Ohringen, Germany
Sales I nformatio n: . . . . . . . . . . . . . . . . . . 626-633-9050
Sales ( fax): . . . . . . . . . . . . . . . . . . . . . . . . 626-633-9070
Sales I nformatio n (email): . . . . . . . . . . . info@m -audio.com
Tech Suppo rt (email ): . . . . . . . . . . . . . . . techsu pt@m-au dio.com
Tech Suppo rt (fax): . . . . . . . . . . . . . . . . . 626-633-90 60
Inter net Home Page : . . . . . . . . . . . . . . . http://www.m -audio.com
Sales I nformatio n: . . . . . . . . . . . . . . . . . . +49 (0)7941 987000
Sales I nformatio n (email): . . . . . . . . . . . info@m -audio.de
Technica l Support: . . . . . . . . . . . . . . . . . . +49 (0)7941 9870030
Technica l Support (e mail): . . . . . . . . . . . sup port@m- audio.de
Technica l Support (f ax): . . . . . . . . . . . . . +49 ( 0)7941 98 70070
Inter net Home Page : . . . . . . . . . . . . . . . http://www.m -audio.de
M-AUDIO U.K. -
Floor 6, Gresham House, 53 Clarendon Road, Watford,
WD17 1LA, United Kingdom
M-AUDIO Canada -
1400 St-Je an Baptiste Av e. #150,
Queb ec City, Qu ebec G2E 5 B7, Canada
Sales I nformatio n (phone): . . . . . . . . . . 01923 204010
Sales I nformatio n (fax): . . . . . . . . . . . . . 01923 204039
Sales I nformatio n (email): . . . . . . . . . . . info@m audio.co.uk
Technica l Support ( PC): . . . . . . . . . . . . . 44 (0 ) 1309 671301
Technica l Support (M ac): . . . . . . . . . . . . 44 (0) 1765 650072
Technica l Support (e mail): . . . . . . . . . . sup port@ma udio.co.uk
Inter net Home Page : . . . . . . . . . . . . . . . http://www.m audio.co.uk
Technica l Support (e -mail): . . . . . . . . . . techcana da@m-au dio.com
Technica l Support ( PC): . . . . . . . . . . . . . (418) 872-044 4
Technica l Support (M ac): . . . . . . . . . . . . 1-80 0-638-2120
Technica l Support (f ax): . . . . . . . . . . . . . (418) 872-0034
Sales ( e-mail): . . . . . . . . . . . . . . . . . . . . . infocanada @m-audio.co m
Sales ( phone): . . . . . . . . . . . . . . . . . . . . . (866) 872-0444
Sales ( fax): . . . . . . . . . . . . . . . . . . . . . . . . (514) 396-7102
Inter net Home Page . . . . . . . . . . . . . . . . http://www.m -audio.ca
M-AUDIO France -
Floor 6, G resha m House, 53 Clarend on Road, Wa tford,
WD17 1LA, United Ki ngdom
M-AUDIO J apan -
（株式 会社エ ムオーディオジャパン）
460-0 002
愛知県 名
古屋市中区丸の内
2-18-10
Assis tance Techniq ue (aucune qu estions rel iées aux vente s)
courri el (assist ance PC): . . . . . . . . . . . . support @m-audio -france.com
courri el (assist ance Mac): . . . . . . . . . . . mac@m- audio-fran ce.com
télép hone (assi stance PC): . . . . . . . . . . 0820 000 731
(0,12 Euros par m inute)
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(0,12 Euros par m inute)
téléco pieur/fax: . . . . . . . . . . . . . . . . . . . 01 72 72 90 52
Ventes ( aucun appel s d’assistanc e technique )
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courri el: . . . . . . . . . . . . . . . . . . . . . . . . . info@m- audio-fra nce.com
téléco pieur/fax: . . . . . . . . . . . . . . . . . . . 01 72 72 90 52
テクニカルサポート :....................
052-218-0859
テクニカルサポート
(Maci ntosh):
..............
mac-supp ort@m- audio.co.jp
テクニカルサポート
(Wind ows):
................
win-s upport@ m-audio.co.jp
Fax:...............................
052-218-0875
ホームページ : ...............
http: //ww w.m-au dio.co.jp
Studiophile BX5a
Tested to comply with
FCC standards
FOR HOME OR STUDIO USE
9
Studiophile BX5a
English
Appendix A - Technical Specifications
Type: 2-way near-field studio reference monitors
LF Driver:
5-inch Kevlar curved cone with high temperature voice coil and damped
rubber surround.
HF Driver:
1-inch magnetically shielded natural silk dome
Frequency Response:
56Hz - 22kHz
Crossover Frequency:
3kHz
LF Amplifier Power:
40W
HF Amplifier Power:
30W
S/N Ratio:
> 100dB typical A-weighted
Input Connectors:
1 x XLR balanced input connector
1 x TRS balanced/unbalanced input connector
Polarity:
positive signal at + input produce outward LF cone displacement
Input Impedance:
20k ohms balanced,10k ohms unbalanced
Input Sensitivity:
85mV pink noise input produces 90dBA output SPL at one meter with volume
control at maximum
Protection:
RF interference, output current limiting, over temperature, turn-on/off
transient, subsonic filter, external mains fuse.
Indicator:
power on/off indicator on rear panel
Power Requirements:
factory programmed for either 115V ~50/60Hz, 230V~50/60Hz or 100V~50/
60Hz
Cabinet:
vinyl-laminated high acoustic efficiency MDF
Dimension:
250 mm (H) x 176 mm (W) x 200 mm (D)
Weight:
5.0 kg/unit (without packing)
* Above specifications subject to change without notice
Your BX5a Warranty
Warranty Terms
M-Audio warrants products to be free from defects in materials and workmanship, under
normal use and provided that the product is owned by the original, registered user. Visit
www.m-audio.com/warranty for terms and limitations applying to your specific product.
Warranty Registration
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 finest quality products available.
Register online at www.m-audio.com/register to receive FREE product updates and for the chance to win
FREE M-Audio gear.
050324_BX5a_UG_EN02
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