Shure mx395 Headphones User Manual


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Pin Assignments
Audio −
Audio +
3-Pin XLR
Specifications
All measurements taken with microphone mounted on a wooden
surface (76 x 76 cm)
Cartridge Type
Electret Condenser
Frequency Response
50–17000 Hz
Polar Pattern
MX395/O Omnidirectional
MX395/C Cardioid
MX395/BI Bidirectional
Output Impedance
170Ω
Output Configuration
Active Balanced
Sensitivity
@ 1 kHz, open circuit voltage
Cardioid −35dBV/Pa(18mV)
Omnidirectional −28dBV/Pa(42mV)
Bidirectional −37dBV/Pa(14mV)
1Pa=94dBSPL
Maximum SPL
1kHzat1%THD,1kΩload
Cardioid 121 dB
Omnidirectional 114dB
Bidirectional 123 dB
Equivalent Output Noise
A-weighted
Cardioid 28dBSPL
Omnidirectional 21 dB SPL
Bidirectional 29 dB SPL
Signal-to-Noise Ratio
Ref.94dBSPLat1kHz
Cardioid 66 dB
Omnidirectional 73 dB
Bidirectional 65 dB
Dynamic Range
1kΩload,@1kHz
Cardioid 93 dB
Omnidirectional 93 dB
Bidirectional 94dB
Common Mode Rejection
10 to 100,000 kHz
45dB,minimum
Preamplifier Output Clipping Level
at 1% THD
−8dBV(0.4V)
Logic Connections
LED IN Activelow(≤1.0V),TTL
compatible. Absolute
maximumvoltage:-0.7V
to50V.
Net Weight
136 g (0.30 lbs)
Environmental Conditions
Operating
Temperature
–18–57°C(0–135°F)
Storage
Temperature
–29–74°C(–20–165°F)
Relative Humidity 0–95%
Power Requirements
MX395 11–52VDC,2.0mA
MX395-LED 48–52VDC,8.0mA
Certifications
This product meets the Essential Requirements of
all relevant European directives and is eligible for
CE marking.
The CE Declaration of Conformity can be ob-
tained from: www.shure.com/europe/compliance
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
Jakob-Dieffenbacher-Str. 12
75031 Eppingen, Germany
Phone:49-7262-92490
Fax:49-7262-9249114
Email: info@shure.de
LED Logic
For models equipped with an LED, use the includ-
ed 5-pin XLR connector to wire the microphone to
an automatic mixer or other logic device.
Note: Connect the LED IN to the gate output to il-
luminate the LED when the channel is gated on.
Do not use the relay ports on Crestron and AMX
devices. Use the I/O logic ports instead.
The LED logic may not function when connect-
ing to devices that do not have internal "pull-up
resistor" logic circuits, such as ClearOne DSP
products. External pull-up resistor circuits can be
addedforeachmicrophone.Vistitwww.shure.
com/FAQ for detailed instructions.
42
51
3
Audio −
Audio +
Logic (LED IN)
5-Pin XLR
+5 V
Green
LED
0 V c.c.
5 V c.c.
+5 V
Red
LED
4
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