Shure Microflex MX400SE Series User manual

MX400SE

Gooseneck Microphones

Shure MX400SE Series miniature gooseneck-mounted electret condenser microphones online user guide.

Version: 5 (2019-J)

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Table of Contents

MX400SEGooseneck Microphones 3

General Description 3

Model Variations 3

Interchangeable Cartridges 3

Snap-Fit Windscreen 5

Preamp Gain 5

RFI Filtering 5

Microphone Placement 5

Permanent Installation 6

Changing from Side Exit to Bottom Exit 6

Flange 6

Shock Mount 7

Specifications 8

Certifications 11

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•

MX400SE

Gooseneck Microphones

General Description

Shure Microflex MX400SE Series microphones are miniature gooseneck-mounted electret condenser microphones designed

primarily for speech and vocal pickup. Their high sensitivity and broad frequency range make them suitable for recording, as

well as sound reinforcement applications.

The MX400SE series can be screwed onto a mic stand or the supplied 5/8 in. 27-threaded flange. They can be easily changed

from side exit to bottom exit to conceal the cabling. All models include an in-line preamplifier, a 3.66 m (12 ft.) cable.

Wide dynamic range and frequency response for accurate sound reproduction

Interchangeable cartridges that provide a choice of polar pattern for each application

Shock mount provides over 20 dB of isolation from surface vibration noise

Snap-fit foam windscreen

RF filtering

Model Variations

MX400 microphones are available with 305 mm (12 in.) or 457 mm (18 in.) goosenecks, with or without a mute switch. They

are available in supercardioid, cardioid and omnidirectional polar patterns.

"S" models include a mute button and LED.

"D" models include a desktop base with programmable mute button and LED and logic input and output.

"SE" models feature a surface mount flange with side-exit cable.

The polar pattern of the included cartridge is indicated by a model number suffix:

/C Cardioid

/S Supercardioid

/O Omnidirectional

/N Cartridge not included

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Interchangeable Cartridges

Microflex microphones use interchangeable cartridges that allow you to choose the polar pattern for different installations.

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Snap-Fit Windscreen

Snap into the groove below the cartridge.

To remove, spread the gap with a screwdriver or thumbnail.

Provides 30 dB of "pop" protection.

Preamp Gain

If necessary, the preamplifier gain can be reduced by 12 dB. Contact an authorized Shure service center for information.

RFI Filtering

Important: Microphones must be used with the RK100PK or RK202PK plate-mounted preamp to optimize RF immunity.

Microphone Placement

Aim the microphone toward the desired source, such as the talker.

Aim it away from any unwanted source, such as a loudspeaker.

Place the microphone within 15 to 30cm (6 to 12 in.) of the desired sound source.

Always use the supplied windscreen or optional metal windscreen to control breath noise.

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•If four or more microphones will be open at the same time, use of an automatic mixer, such as the Shure SCM810 or

SCM410, is recommended.

Permanent Installation

Changing from Side Exit to Bottom Exit

Do not cut the cable to reroute. This will compromise RF immunity.

Mount the microphone using one of the following methods.

Flange

Slip the mounting flange retaining ring over the bottom of the preamplifier and slide it up until it is flush to the bottom of the

flange. Then press the ring firmly into place.

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Shock Mount

Drill a 44mm(1-3/4 in.) diameter hole in desired mounting surface.

Mark and drill starter holes for screws, using shock mount as a template.

Secure shock mount to mounting surface with screws.

Thread the supplied adapter onto the MX400SE microphone before inserting it into the shock mount.

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Specifications

Type

Electret Condenser

Frequency Response

50 to 17000Hz

Polar Pattern

MX412SE/C, MX418SE/C Cardioid

MX412SE/S, MX418SE/S Supercardioid

Output Impedance

180Ω

Output Configuration

Active Balanced

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Sensitivity

@ 1 kHz, open circuit voltage

Cardioid –35dBV/Pa(18 mV)

Supercardioid –34dBV/Pa(21 mV)

1 Pa=94 dB SPL

Maximum SPL

1 kHz at 1% THD, 1 kΩ load

Cardioid 124dB

Supercardioid 123dB

Self Noise

A-weighted

Cardioid 28dBSPL

Supercardioid 27dBSPL

Signal-to-Noise Ratio

Ref. 94 dB SPL at 1 kHz

Cardioid 66dB

Supercardioid 68dB

Dynamic Range

1 kΩ load, @ 1 kHz

96dB

Common Mode Rejection

10 Hz to 100 kHz

45dB, minimum

Clipping Level

at 1% THD

–6dBV (0.5V)

Polarity

Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output XLR

connector

Environmental Conditions

Operating Temperature –18–57°C (0–135°F)

Storage Temperature –29–74°C(–20–165°F)

Relative Humidity 0–95%

Power Requirements

11–52 VDC, 2.0mA

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Cable

3.0m (10ft) , attached

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