Shure Microflex MX395 Bedienungsanleitung

www.shure.com

27A3237 (Rev. 6)

Low-Profile Boundary Microphone

MX395 Low-Profile Boundary

Microphone

General Description

Shure®MX395 low-profile microphones are for use

in boardrooms and other sites where aesthetics

are important. The MX395 is only 2.5 cm (1 in.) in

diameter, and extends just 2 cm above the mount-

ing surface when installed. Despite its small size,

the MX395 delivers clear, high quality sound.

Features

• Low profile, aesthetic design

• Wide dynamic range and smooth frequency

response

• RF filtering with CommShield®technology

• Available with logic-controlled bi-color status

indicator

Model Variations

The MX395 is available in cardioid, omnidirection-

al, and bidirectional polar patterns, with or without

an LED status indicator, with a black, white, or

aluminum finish.

Furnished Accessories

Wing Nut

Rubber Isolation Ring

5-pin XLR, Female (MX395-LED variations)

Polar Patterns

The polar pattern is indicated by the molded grille.

Cardioid

Omnidirectional

Bidirectional

Microphone Placement

For best low-frequency response and rejection

of background noise, place the microphone on a

large, flat surface, such as a floor, table, or lectern.

To reduce reverberance, avoid reflective surfaces

above or to the side of the microphone, such as

beveled sides of pulpits or overhanging shelves.

Installation

Install the microphone into a tabletop as shown.

Important:

• Align indentation toward talker

• Do not over tighten the wing nut, as this reduces

shock isolation

DIP Switches

Set DIP Switch 1 up to engage the low cut filter,

which attenuates frequencies by 6 dB per octave

below 150 Hz.

Switch Down (default) Up

1 Full frequency

response

Low cut filter

2 -- --

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 connecting

to devices that do not have internal "pull-up resis-

tor" 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.

+5 V

GND

MX395

Device

Logic Port (I/O)

Logic Connection

Connection to device with internal "pull-up

resistor" logic circuit

Green

Red

Logic HIGH (+5 V)

Logic LOW (0 V)

LED Indicator Response to Logic Signal at Pin 5

Pin Assignments

Audio −

Audio +

3-Pin XLR

Audio −

Audio +

Logic (LED IN)

5-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 −34dBV/Pa(20mV)

Omnidirectional −29dBV/Pa(36mV)

Bidirectional −35dBV/Pa(18mV)

1 Pa=94 dB SPL

Maximum SPL

1kHzat1%THD,1kΩload

Cardioid 120 dB

Omnidirectional 115 dB

Bidirectional 121 dB

Equivalent Output Noise

A-weighted

Cardioid 29 dB SPL

Omnidirectional 23 dB SPL

Bidirectional 27 dB SPL

Signal-to-Noise Ratio

Ref. 94 dB SPL at 1 kHz

Cardioid 65 dB

Omnidirectional 72 dB

Bidirectional 67 dB

Dynamic Range

1kΩload,@1kHz

Cardioid 91 dB

Omnidirectional 92 dB

Bidirectional 95 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

137 g (0.30 lbs)

Certifications

Meets essential requirements of all applicable

European Directives.

Eligible for CE marking.

The CE Declaration of Conformity can be ob-

tained from Shure Incorporated or any of its

European representatives. For contact information

please visit www.shure.com

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: [email protected]

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

Preamp Gain

If necessary, the preamplifier gain can be reduced

by 12 dB. Contact an authorized Shure service

center for information.

MX395/C

MX395/BI

MX395/O

3 3/8 in

(86 mm)

4 in

(101 mm)

7/8 in

(22 mm)

1 1/4 in

(32 mm)

7/16 in

(12 mm)

-30

-25

-20

-15

-10

-5

20 100 1k 10k 20k

0,6 m (2 ft.) from sound source

-30

-25

-20

-15

-10

-5

20 100 1k 10k 20k

0,6 m (2 ft.) from sound source

-30

-25

-20

-15

-10

-5

20 100 1k 10k 20k

0,6 m (2 ft.) from sound source

www.shure.com

Asia, Pacific:

Shure Asia Limited

22/F, 625 King’s Road

North Point, Island East

Hong Kong

Phone: 852-2893-4290

Fax: 852-2893-4055

Email: [email protected]

United States, Canada, Latin

America, Caribbean:

Shure Incorporated

5800 West Touhy Avenue

Niles, IL 60714-4608 USA

Phone: +1-847-600-2000

Fax: +1-847-600-1212 (USA)

Fax: +1-847-600-6446

Email: [email protected]

Europe, Middle East, Africa:

Shure Europe GmbH

Jakob-Dieffenbacher-Str. 12,

75031 Eppingen, Germany

Phone: +49-7262-92490

Fax: +49-7262-9249114

Email: [email protected]

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