Shure MX202W-A/C User manual

MX200 Series
Overhead Microphones
Online user guide for Shure Microflex MX200 Series overhead microphones.
Version: 6 (2020-B)

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Table of Contents
MX200 SeriesOverhead Microphones 3
General Description 3
Model Variations 3
Interchangeable Cartridges 3
Snap-Fit Windscreen 4
Preamp Gain 4
RFI Filtering 4
Microphone Placement 4
Permanent Installation 6
Installing the In-Line Preamp 6
Ceiling Tile Installation 7
Plate Mount Preamp Installation 9
Specifications 10
Furnished Accessories 12
Replacement Parts 12
Wiring Diagram 12
Certifications 16

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MX200 Series
Overhead Microphones
General Description
Shure Microflex MX200 Series microphones are miniature electret condenser microphones designed for miking choirs and
performance groups. They are typically suspended over the heads of the performers. Their high sensitivity and wide frequency
range make them suitable for recording, as well as sound reinforcement applications. An attached 101 mm (4 in.) gooseneck
allows them to be easily aimed at the sound source.
Wide dynamic range and frequency response for accurate sound reproduction
Interchangeable cartridges that provide a choice of polar pattern for each application
White or black finish that blends unobtrusively with most surroundings
RF filtering
Model Variations
Microflex MX202 microphones are available in black or white with a choice of in-line preamplifier or plate-mount preamplifier.
The polar pattern of the included cartridge is indicated by a model number suffix:
/C Cardioid
/S Supercardioid
/MS Mini-shotgun
Interchangeable Cartridges
Microflex microphones use interchangeable cartridges that allow you to choose the polar pattern for different installations.
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Cartridge Polar Patterns
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
The microphone is most stable when the gooseneck is bent into a "lazy S" shape. Use the supplied hanging clip and heavy
thread or monofilament fishing line to suspend the microphone at a specific location.
For choir installations, hang a microphone 0.6 to 0.9m (2 to 3 ft.) in front of the first row, and 0.6 to 0.9m (2 to 3 ft.) over
the heads of the singers in the last row. Aim the microphone at the back row.
When miking groups that move or vary in size, use a boom stand and the supplied stand adapter.

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• If four or more microphones will be open at once, an automatic mixer, such as the Shure SCM810 or SCM410, is recom
mended. Set up the automatic mixer so that all overhead microphones gate on simultaneously.

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Permanent Installation
Installing the In-Line Preamp
Use the two supplied mounting clamps to hold the preamp in place on a wall or ceiling.

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Ceiling Tile Installation
Drill a 1/2 in. hole into the ceiling tile. CAUTION: To avoid tile damage, use a 1/2 in. augur bit and drill very slowly.
Unplug the mini 4-pin connector from the preamp and feed the cable through the hole.
Place the rubber grommet, tip down, over the cable and position it to suspend the microphone at the appropriate height.
Fit the grommet securely into the hole. For 5/8 in. ceiling tile, use the suppled washer.
Reconnect the preamp.

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Plate Mount Preamp Installation
The plate-mounted preamp allows you to mount the preamp in an electical box and use conduit to run cable through ceilings
and walls.
Remove preamp housing by removing two phillips head screws.
Remove knock-out from the hole in the center of the cover plate (if present).
Cut cable to desired hanging length, allowing for a 76 to 101 mm (3 to 4 in.) service loop.
Clamp strain relief around cable and insert strain relief into hole in plate.
Connect cable leads to input terminal block (B = Black, R = Red, S = Shield).
Using professional-quality, two-conductor, shielded microphone cable, thread output cable from outside of preamp
through hole with black bushing.
Connect cable to output terminal block (Pin 2 = +, Pin 3 = –, Shield = S).
Reattach the preamplifier housing.

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Specifications
Type
Electret Condenser
Frequency Response
50–17000 Hz

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Polar Pattern
MX202B/C Cardioid
MX202B/S Supercardioid
MX202B/MS Mini-shotgun
Output Impedance
180 Ω
Output Configuration
Active Balanced
Sensitivity
@ 1 kHz, open circuit voltage
Cardioid −35 dBV/Pa (18 mV)
Supercardioid −34 dBV/Pa (21 mV)
Mini-shotgun -33 dBV/Pa (22 mV)
1 Pa=94 dB SPL
Maximum SPL
1 kHz at 1% THD, 1 kΩ load
Cardioid 124 dB
Supercardioid 123 dB
Mini-shotgun 121 dB
Self Noise
A-weighted
Cardioid 28 dB SPL
Supercardioid 27 dB SPL
Mini-shotgun 26 dB SPL
Signal-to-Noise Ratio
Ref. 94 dB SPL at 1 kHz
Cardioid 66 dB
Supercardioid 68 dB
Mini-shotgun 68 dB
Dynamic Range
1 kΩ load, @ 1 kHz
96 dB
Common Mode Rejection
10 Hz to 100 kHz

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45 dB, minimum
Clipping Level
at 1% THD
−6 dBV (0.5 V)
Polarity
3-
pin
XLR
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
Phantom Power
11–52 V DC, 2.0 mA
Note: Yellowing of any plastic material can be caused from cigarette smoke, ultra violet rays, and other chemical interactions. Once plastic has yellowed, there
typically is no cleaning method that will restore the whiteness.
Furnished Accessories
Black Snap-Fit Foam Windscreens (4) for BETA98, BETA98A, BETA98/S, BETA98D/
S, BETA98H/C, MX183, MX184, MX185, MX202, WH30, WL183, WL184 and WL185 RK183WS
White Snap-Fit Windscreen 95B2064
Preamplifier Kit, Plate Mounted, White (MX202BP and MX202WP) RK202PK
Stand Adaptor (MX202B and MX202W) 65B1752
Replacement Parts
Strain Relief (MX202BP and MX202WP) 80A479
Clamp (MX202B and MX202WP) 80A476
Hang Clip 80B489

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Wiring Diagram

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