Shure MX412/S Headphones User Manual


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5
Furnished Accessories
Flange
Retainer 65B8265
Isolation Ring 80A439
Shock Mount A400SM
Snap-fit Foam Windscreen
(1 furnished, 4 in replace-
ment kit)
RK412WS
Hex Wrench #4 80A67
Optional Accessories
Foam Ball Windscreen A99WS
Metal Locking Windscreen A412MWS
Portable Desktop Base A412B
Mic. Clip/Swivel Adapter A57F
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: EMEAsupport@shure.de
Specifications
Type
Condenser (electret bias)
Frequency Response
50–17000 Hz
Polar Pattern
MX412/C, MX418/C: Cardioid
MX412/S, MX418/S: Supercardioid
Output Impedance
EIARatedat150Ω(180Ωactual)
Output Configuration
Active balanced
Sensitivity (at 1 kHz , open circuit voltage)
Cardioid: –35 dBV/Pa (18 mV)
Supercardioid: –34 dBV/Pa (21 mV)
1 Pascal=94 dB SPL
Maximum SPL(1kHzat1%THD,1kΩload)
Cardioid: 124 dB
Supercardioid: 123 dB
Equivalent Output Noise (A-weighted)
Cardioid: 28 dB SPL
Supercardioid: 27 dB SPL
Signal-to-Noise Ratio (referenced at 94 dB SPL
at 1 kHz)
Cardioid: 66 dB
Supercardioid: 68 dB
Dynamic Range(1kΩloadat1kHz)
96 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 out-
put XLR connector.
Mute Switch Attenuation (MX412S & MX418S)
–50 dB minimum
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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