Page 1
MX412D
MX418D
Printed in U.S.A.
www.shure.com
© 2009 Shure Incorporated
27A14051 (Rev. 1)
MX400D
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MX400D
/C (R185)
/S (R184)
2
Shure Microflex® MX400D Series microphones
are miniature electret condenser gooseneck microphones with a desktop base and a 3 m (10 ft.)
cable. Desktop base allows microphones to be
used in multi-purpose rooms where quick setup
is required, or where permanent installation is
impractical.
Features
• Wide dynamic range and frequency response
for accurate sound reproduction
• Interchangeable cartridges that provide a
choice of polar pattern for each application
• Programmable mute button and LED indicator
• Logic input and output terminals for remote
control or use with automatic microphone
mixers
• Balanced, transformerless output for increased
immunity to noise over long cable runs
• RF filtering
MX400 Series Model Variations
MX400 microphones are available with 305 mm
(12 in.) or 457 mm (18 in.) goosenecks.
• “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
/N Cartridge not included
Interchangeable Cartridges
Microflex microphones use
interchangeable cartridges
that allow you to choose
the polar pattern for different installations.
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.
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.
• 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.
Securing to a Surface
Desktop Microphones
R183 Omnidirectional
R184 Supercardioid
R185 Cardioid
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3
Connecting to an Automatic Mixer
Use these settings if connecting the microphone
to an automatic mixer or other device that mutes
audio and controls the LED.
1. Connect logic leads to the automatic mixer.
Connect the LED IN to the gate output to illuminate the LED when that channel is gated on.
2. Set DIP switch 3 on. This disbles the mute button (the microphone passes audio regardless of
whether the button is pressed or not).
3. Set DIP switch 1 to configure how the mute button sends SWITCH OUT logic:
Logic Wiring
Green (LOGIC GROUND): Connects to the logic
ground of an automatic mixer, switcher, or other
equipment.
Orange (LED IN): Set DIP switch 3 on to use LED
IN. When shorted to LOGIC GROUND, the LED
turns on.
White (SWITCH OUT): Provides TTL logic (0 Vdc
or 5 Vdc) in response to the mute button. Set DIP
switch 1 for momentary or toggle. When phantom
power is applied, logic initializes high (5 Vdc). DIP
switch 2 has no effect on SWITCH OUT.
DIP Switches
Use the DIP switches to configure logic settings
and mute button behavior.
The DIP switches are covered with a piece of
clear tape at the factory. Remove tape to modify
the switch settings.
OFF (factory
default)
ON
1 Momentary Toggle
2 Push-to-mute Push-to-talk
3 Mute button enabled,
LED illuminates when
mic is active
Disable mute button
(microphone always
on), logic controls
LED
4 -- --
Changing SWITCH OUT to Always
Momentary
Use the following modification in situations where
your logic interface requires momentary closure
of the SWITCH OUT, but you want the mute button to toggle the microphone (DIP switch 1 ON, 3
OFF):
1. Access the circuit board inside the microphone base.
2. Remove the resistor at R45
and reinstall it at location
R46.
Mute Button Configuration
Use DIP switches 1 and 2 to configure the mute
button, as follows.
Be sure to set DIP switch 3 off (factory default)
so that the mute button controls audio from the
microphone.
Switch Function DIP Switch Setting
Momentary: push-to-mute
(as shipped).
Momentary: push-to-talk
Toggle: (Push On/Push
Off): Mic is active when
powered on
Toggle: (Push On/Push
Off): Mic is mute when
powered on
Momentary:
push = 0 Vdc,
release = 5 Vdc
Toggle:
initial = 5 Vdc,
push = 0 Vdc
Wiring Diagram
NOTE: Audio and logic ground are connected at
microphone base.
Ground (Green)
SWITCH OUT (White)
LED IN (Orange)
Audio + (Red)
Audio – (Black)
NOTE: Bottom
cover must
be closed for
microphone to
function.
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102.1 mm
(4 9/16 in.)
50.8 mm
(2 1/32 in.)
161.9 mm
(6 3/8 in.)
MX412D: 355.4 mm (14 in.)
MX418D: 501.7 mm (19
3
/4 in.)
approximately 3 m
(10 ft)
MIC
ELEMENT
220 pF
220 pF
FET
86E8958
+
4
Specifications
Optional Accessories
Foam Ball Windscreen A99WS
Metal Locking Windscreen A412MWS
Custom Logic Cable (specify length) 95B2509
Furnished Accessories
Snap-fit Foam Windscreen (1 furnished, 4 in replacement kit)
RK412WS
Replacement Parts
Omnidirectional Cartridge (Black) R183B
Supercardioid Cartridge (Black) R184B
Cardioid Cartridge (Black) R185B
CERTIFICATION
Eligible to bear CE Marking. Conforms to
European EMC Directive 2004/108/EC. Meets
Harmonized Standards EN55103-1:1996 and
EN55103-2:1996, for residential (E1) and light
industrial (E2) environments.
The Declaration of Conformity can be obtained
from:
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
Wannenacker Str. 28
D-74078 Heilbronn, Germany
Phone: +49 7131 72 14 0
Fax: +49 7131 72 14 14
Email: [email protected]
Type
Condenser (electret bias)
Frequency Response
50–17000 Hz
Polar Pattern
MX412D/C, MX418D/C: Cardioid
MX412D/S, MX418D/S: Supercardioid
Output Impedance
EIARatedat150Ω(180Ωactual)
Output Configuration
Active balanced
Sensitivity (at 1 kHz , open circuit voltage)
Cardioid: –34 dBV/Pa (21 mV)
Supercardioid: –33 dBV/Pa (24 mV)
1 Pascal=94 dB SPL
Maximum SPL (1 kHz at 1% THD, 1 kΩ load)
Cardioid: 123 dB
Supercardioid: 122 dB
Equivalent Output Noise (A-weighted)
Cardioid: 29 dB SPL
Supercardioid: 28 dB SPL
Signal-to-Noise Ratio (referenced at 94 dB
SPL at 1 kHz)
Cardioid: 65 dB
Supercardioid: 66 dB
Dynamic Range (1 kΩ load at 1 kHz)
94 dB
Common Mode Rejection (10 Hz to 100 kHz)
45 dB minimum
Preamplifier Output Clipping Level (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.
Net Weight
MX412D: 0.81 kg (1.80 lbs)
MX418D: 0.82 kg (1.82 lbs)
Packaged Weight
MX412D: 1.63 kg (3.62 lbs)
MX412D: 1.64 kg (3.64 lbs)
Logic Connections
LED IN: Activelow(≤1.0V),TTLcompatible.
Absolute maximum voltage: -0.7V to 50V.
LOGIC OUT: Activelow(≤1.0V),sinksupto
20mA, TTL compatible. Absolute maximum
voltage:-0.7Vto50V(upto50Vthrough3kΩ).
Mute Switch Attenuation
–50 dB minimum
Cable
3 m (10 ft) attached cable with shielded audio
pair terminated at a 3-pin male XLR and three
unterminated conductors for logic control
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 Vdc phantom, 2.0 mA
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SHURE Incorporated http://www.shure.com
United States, Canada, Latin America, Caribbean:
5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.
Phone: 847-600-2000
U.S. Fax: 847-600-1212
Intl Fax: 847-600-6446
Europe, Middle East, Africa:
Shure Europe GmbH, Phone: 49-7131-72140
Fax: 49-7131-721414
Asia, Pacific:
Shure Asia Limited, Phone: 852-2893-4290
Fax: 852-2893-4055
SHURE Incorporated http://www.shure.com
États-Unis, Canada, Amérique latine, Caraïbes:
5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.
Téléphone : 847-600-2000
Télécopie aux États-Unis : 847-600-1212
Télécopie internationale : 847-600-6446
Europe, Moyen-Orient, Afrique:
Shure Europe GmbH, Téléphone : 49-7131-72140
Télécopie : 49-7131-721414
Asie, Pacifique:
Shure Asia Limited, Téléphone : 852-2893-4290
Télécopie : 852-2893-4055
SHURE Incorporated http://www.shure.com
Estados Unidos, Canadá, Latinoamérica, Caribe:
5800 W. Touhy Avenue, Niles, IL 60714-4608, EE.UU.
Teléfono: 847-600-2000 (dentro de los EE.UU.)
Fax: 847-600-1212
Fax internacional: 847-600-6446
Europa, Medio Oriente, Africa:
Shure Europe GmbH, teléfono: 49-7131-72140
Fax: 49-7131-721414
Asia, Pacífico:
Shure Asia Limited, teléfono: 852-2893-4290
Fax: 852-2893-4055
SHURE Incorporated http://www.shure.com
Stati Uniti, Canada, America latina, Caraibi:
5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.
Numero telefonico: 847-600-2000
Fax U.S.A.: 847-600-1212
Fax internazionale: 847-600-6446
Europa, Medio Oriente, Africa:
Shure Europe GmbH, numero telefonico: 49-7131-72140
Fax: 49-7131-721414
Asia, Pacifico:
Shure Asia Limited, numero telefonico: 852-2893-4290
Fax: 852-2893-4055
500 1,000 2,000 5,000 10,000
20,000
50 100 20020
0
+10
–10
500 1,000 2,000 5,000 10,000
20,000
50 100 20020
0
+10
–10
500 1,000 2,000 5,000 10,00050 100 20020
0
+10
–10
20,000
SUPERCARDIOID
SUPERCARDIOÏDE
SUPERKARDIOID
SUPERCARDIOIDE
SUPERCARDIOIDE
CARDIOID
CARDIOÏDE
KARDIOID
CARDIOIDE
CARDIOIDE
OMNIDIRECTIONAL
OMNIDIRECTIONNELLE
ALLE RICHTUNGEN
OMNIDIRECCIONAL
OMNIDIREZIONALE
Hz
Hz
Hz
30°
60°
90°
150°
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–5 dB
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+5 dB
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o
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–5 dB
0
90
o
–5 dB
–10 dB
–15 dB
90
o
90
o
250 Hz
500 Hz
1000 Hz
2500 Hz
6400 Hz
10000 Hz
250 Hz
500 Hz
1000 Hz
2500 Hz
6400 Hz
10000 Hz
250 Hz
500 Hz
1000 Hz
2500 Hz
6400 Hz
10000 Hz
150
o
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–5 dB
–10 dB
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90
o
–20 dB
–5 dB
–10 dB
–15 dB
–20 dB
–20 dB
–20 dB
–15 dB
–10 dB
OMNIDIRECTIONAL
OMNIDIRECTIONNELLE
ALLE RICHTUNGEN
OMNIDIRECCIONAL
OMNIDIREZIONALE
CARDIOID
CARDIOÏDE
KARDIOID
CARDIOIDE
CARDIOIDE
SUPERCARDIOID
SUPERCARDIOÏDE
SUPERKARDIOID
SUPERCARDIOIDE
SUPERCARDIOIDE
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