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
+
MX400D
Specifications
Optional Accessories
Foam Ball Windscreen
A99WS
Metal Locking Windscreen
A412MWS
Custom Logic Cable (specify length)
95B2509
Furnished Accessories
Snap-fit Foam Windscreen (1 fur-
nished, 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
Jakob-Dieffenbacher-Str. 12
75031 Eppingen, Germany
Phone: +49 7262 92 49 0
Fax: +49 7262 92 49 11 4
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
EIA Rated at 150 Ω (180 Ω actual)
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:
Active low (≤1.0V), TTL compatible.
Absolute maximum voltage: -0.7V to 50V.
LOGIC OUT:
Active low (≤1.0V), sinks up to
20mA, TTL compatible. Absolute maximum
voltage: -0.7V to 50V (up to 50V through 3kΩ).
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
4
