Shure X2U Manual de usuario
XLR-to-USB Signal Adapter
X2u
©2012 Shure Incorporated
27A12073 (Rev. 3)
N108
MIC GAIN
VOLUME
MONITOR
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AVERTISSEMENT !
L'ÉCOUTE AUDIO À UN VOLUME SONORE EXCESSIF PEUT CAUSER DES
LÉSIONS AUDITIVES PERMANENTES. RÉGLER LE VOLUME LE PLUS BAS
POSSIBLE.
Une surexposition à des volumes sonores excessifs peut causer des lésions aux
oreilles entraînant une perte auditive permanente due au bruit. Se conformer aux
directives ci-dessous, établies par l'Occupational Safety Health Administration
(OSHA) pour les limites de durée d'exposition aux pressions acoustiques (SPL)
avant de risquer des lésions auditives.
SPL de 90 dB
pendant 8 heures
SPL de 95 dB
pendant 4 heures
SPL de 100 dB
pendant 2 heures SPL de 105 dB
pendant 1 heure
SPL de 110 dB
pendant 1/2 heure
SPL de 115 dB
pendant 15
minutes
SPL de 120 dB
À éviter : risque de lésions auditives
WARNING!
LISTENING TO AUDIO AT EXCESSIVE VOLUMES CAN CAUSE PERMANENT
HEARING DAMAGE.
USE AS LOW A VOLUME AS POSSIBLE.
Over exposure to excessive sound levels can damage your ears resulting in permanent
noise-induced hearing loss (NIHL). Please use the following guidelines established by
the Occupational Safety Health Administration (OSHA) on maximum time exposure to
sound pressure levels before hearing damage occurs.
90 dB SPL
at 8 hours
95 dB SPL
at 4 hours
100 dB SPL
at 2 hours
105 dB SPL
at 1 hour
110 dB SPL
at ½ hour
115 dB SPL
at 15 minutes
120 dB SPL
Avoid or damage may occur
SAFETY PRECAUTIONS
The possible results of incorrect use are marked by one of the two symbols -
“WARNING” AND “CAUTION” - depending on the imminence of the danger and the
severity of the damage.
WARNING: Ignoring these warnings may cause severe injury or death as a
result of incorrect operation.
CAUTION: Ignoring these cautions may cause moderate injury or property
damage as a result of incorrect operation.
WARNING
• If water or other foreign objects enter the inside of the device, fire or electric shock
may result.
• Do not attempt to modify this product. Doing so could result in personal injury
and/or product failure.
CAUTION
• Never disassemble or modify the device, as failures may result.
• Do not subject to extreme force and do not pull on the cable or failures may result.
• Keep the device dry and avoid exposure to extreme temperatures and humidity.
WARNING: This product contains a chemical known to the State of California
to cause cancer and birth defects or other reproductive harm
16
MIC GAIN
VOLUME
MONITOR
12(+)
3()
1.18 in
(30 mm)
4.96 in
(126 mm)
General Description
The X2u compact universal XLR-to-USB adapter enables you to connect any
microphone directly to your computer.
17
A XLR Connector
BTri-color peak level indicator: Green = signal, Yellow = peak, Red = clipping
C MIC GAIN: Adjusts microphone input level before the analog to digital
conversion.
D Headphone jack: For zero-latency direct monitoring.
E VOLUME: Adjusts headphone volume.
F MONITOR: Blends pre-recorded playback from the computer with live
audio from the microphone.
G +48V: Phantom power switch for condenser microphones. Switch off for
microphones that do not require phantom power (conserves battery life
when connected to a laptop).
H Blue phantom power indicator
I USB: Illuminates green when properly connected to a powered computer
USB port.
JUSB Connector: Digital audio interface
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MIC GAIN
VOLUME
MONITOR
MIC GAIN
VOLUME
MONITOR
VOLUME
MONITOR
MIC GAIN
MIC GAIN
VOLUME
MONITOR
MIC GAIN
VOLUME
MONITOR
MONITOR
VOLUME
MONITOR
MIC GAIN
MONITOR
USB Connection
Connect to a powered USB port using a standard
cable (supplied).
The green USB light should illuminate and the
plug-and-play driver will install automatically.
You are then ready to record with your favorite
audio software.
XLR Connection
Connect directly to a microphone, or use an XLR cable and secure
the adapter to a microphone stand using the supplied straps.
Note: Make sure to use a powered USB port.
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VOLUME
MONITOR
MIC GAIN
MIC GAIN
VOLUME
MONITOR
MIC GAIN
VOLUME
MONITOR
MONITOR
VOLUME
MONITOR
MIC GAIN
MONITOR
VOLUME
MONITOR
MIC GAIN
MIC GAIN
VOLUME
MONITOR
MIC GAIN
VOLUME
MONITOR
MONITOR
VOLUME
MONITOR
MIC GAIN
MONITOR
VOLUME
MONITOR
MIC GAIN
MIC GAIN
VOLUME
MONITOR
MIC GAIN
VOLUME
MONITOR
MONITOR
VOLUME
MONITOR
MIC GAIN
MONITOR
VOLUME
MONITOR
MIC GAIN
MIC GAIN
VOLUME
MONITOR
MIC GAIN
VOLUME
MONITOR
MONITOR
VOLUME
MONITOR
MIC GAIN
MONITOR
Monitoring While Recording
The headphone jack provides direct monitoring of the mi-
crophone signal while recording, without any of the delay
that occurs if you were to monitor this signal through the
computer’s headphone output.
Warning: Turn the VOLUME control down before plugging
in headphones
You can also monitor previously recorded tracks while re-
cording a new track. Adjust the MONITOR thumb slider to
balance levels from pre-recorded and live audio.
Note: Be sure to turn off monitoring in your software for
the track to which you are recording.
Gain Adjustment
For maximum audio quality, set the MIC GAIN as high as
possible. The peak level indicator should remain a steady
green while recording, flickering yellow at the highest
sound volumes.
Lower the MIC GAIN if the peak level indicator shows red
at any time during a performance.
20
USB Audio Device Driver
If you encounter problems, make sure the driver was properly installed.
Windows Operating Systems
From the Control Panel, open Sounds and Audio Devices.
In the Audio tab, look for Shure Digital in the drop-down
menus for Sound playback and Sound recording.
Macintosh OSX Operating Systems
Open the Sound Preference window from System Preferences.
Select Shure Digital from both the Input and Output tabs.
Note: GarageBand users: open GarageBand before plugging in the
microphone to automatically select the USB device.
21
Troubleshooting
Problem Solution
No USB power indicator light Verify port is powered USB 1.1 or 2.0.
No sound in headphones Turn up the VOLUME or MIC GAIN thumb slider.
Sound is distorted Turn down MIC GAIN.
Source sounds delayed Turn off software monitoring in the computer
software.
Headphones are not loud
enough
Windows: From Control Panel, choose Sound and
Audio Devices, select Audio tab, click Volume under
Sound playback and turn up Volume Control.
Mac: From System Preferences, Choose Sound,
Select Output tab and turn up Output volume.
Microphone input is too quiet
in headphones
Turn down MONITOR thumb slider
22
SPECIFICATIONS
Note: specifications are subject to change.
Frequency Response 20 to 20,000 Hz ±1 dB
Input Impedance
(@ 1 kHz)
1.6 kΩ
Maximum Input Level 0 dBV
Power Requirements USB-powered, 500 mA, maximum
Phantom Power Supply 48 V, 10 mA
Digital Noise Floor
(20 Hz to 20 kHz, A-weighted)
Minimum MIC GAIN setting: −81 dB FS
Maximum MIC GAIN setting: −78 dB FS
Sampling Rate up to 48 kHz
Bit Depth 16 bit
Peak Signal Indicator
(Tri-color)
OFF: −30 dB FS
Green: −30 to −12 dB FS
Yellow: −12 to 0 dB FS
Red: >0 (digital converter clipped)
Adjustable Gain Range 50 dB
Headphone Output 3.5 mm (1/8 inch)
60 mW @ 32 Ω
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