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BX5
User Manual
16 pgs307.32 Kb0

M-Audio BX5 User Manual

Studiophile BX5
Users Manual
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
What’s in the Box? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Studiophile BX5 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Front and Rear Panel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
XLR Balanced Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
TRS Balanced/Unbalanced Connection . . . . . . . . . . . . . . . . . . . . .7
Connecting to Preamp, Computer or Game Console Outputs . . .8
Setting the EQ Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Setting the Acoustic Space Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Appendix A - Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . .12
Appendix B - Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Technical Support & Contact Information . . . . . . . . . . . . . . . . . . . . . .14
Introduction
Thank you for choosing the BX5 Studiophile Series bi-amplified studio nearfield monitor speakers. M-Audio is well known for digital audio interface technology, digital converters, audio preamps and mixers. Now, after extensive research and development, the Studiophile BX5 is born to change the concept of studio reference monitoring.
The BX5 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 BX5 monitor is self-powered, directly accepting a line level signal from a variety of sources.
The Studiophile BX5 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 high­frequency response as well. Both drivers are magnetically shielded for desktop music production.
From pro engineers at commercial studios to home studio owners, the Studiophile BX5 sets a new affordable standard in studio monitoring.
What’s in the Box?
Your Studiophile BX5 box contains:
•Two BX5 speakers
•Two detachable AC power cords
• This manual
• Actual test results of the BX5 you purchased
Studiophile BX5 Features
1. Woofer
The woofer unit is 5 inches in diameter with a magnetically shielded mineral-filled polypropylene cone, high-temperature voice coil and damped rubber surround. It is designed to deliver balanced mid- and low- frequency response. Polypropylene is used to react against the input signals accurately and to deliver even minimal input precisely while minimizing distortion.
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2. Tweeter
By employing a specially developed 1-inch silk dome with magnetic shielding,the tweeter can deliver distortion-free original sound and offer extremely natural response. It minimizes reaction time by using fabric silk for excellent delivery, and also minimizes resonance by adapting a unique internal damping technology.
3. Sub-Frequency Port
The hole in the rear panel is called a Sub-Frequency Port and is designed to discharge extreme low frequencies under 60 Hz.
4. EQ and Acoustic Space Controls
Back panel controls on the BX5s give you compensation for room EQs as well as compensation for the positioning of the speakers within your room. High frequency cuts, mid-range boost, and low frequency cutoffs offer a great deal of control over the sound and presence of the BX5s, while the “Acoustic Space” settings account for a variety of speaker placements.
5. Enclosure
Just as other components do, the BX5’s enclosure has an important role. In order to provide more stable performance, the BX5’s enclosure employs a special high-density MDF and unique interior reinforcement designed to absorb vibration and impact generated under extreme conditions.
6. Network & Power Amplifiers
The active crossover networks & power amplifiers for the BX5 are specially designed for this woofer and tweeter.The network properly distributes low,mid, and high frequencies to the 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 BX5 to drive the woofer and tweeter separately in a high­end bi-amp structure. The power delivered to the woofer driver at a rated distortion is 38W, and 38W is also delivered to the tweeter.
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Front and Rear Panel Features
Rear Panel
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)
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).
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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 LABEL: This label contains the model and serial number information.
4. VENT PORT: This port aids in reproduction of very low frequencies by
discharging frequencies below 60 Hz.
5. VOLUME CONTROL: Use the volume control to set the output sound pressure
from the BX5 to proper levels as required.
6. LOW CUTOFF: This 3-position switch sets the bass rolloff frequency.The lowest
setting, 56Hz,is essentially a low cutoff bypass as it does not attenuate the BX5’s frequency response. Other settings are 80Hz and 100Hz.
7. MID-BOOST: Two selections are available, “In” and “Out.” The Out setting
produces a flat frequency response curve, while the In setting gives a boost in the mid-range frequencies.
8. HIGH FREQ: Three settings are possible, -2dB, 0dB, and +2dB. 0dB is a “flat”
setting with no attenuation, while the -2dB and +2dB settings will attenuate or boost the high frequencies (3kHz shelf) by -2dB and +2dB respectively.
9. ACOUSTIC SPACE: This 3-position switch is designed to compensate for
different speaker placements. Please see the section “Setting the Acoustic Space Switch” for more information.
10. POWER SWITCH:This switch turns the monitor on and off.The on position is
indicated with the marking “.” (a white dot).
11. POWER RECEPTACLE: Accepts a detachable 3-circuit line cord in order to
power the monitor.
12. FUSE HOLDER: Holds the external main fuse.
13. VOLTAGE-SELECT SWITCH: Provides 2 selections, 115VAC and 230VAC, 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.
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