Shure MICROFLEX Serie Guia Del Usuario página 4

Specifications
Cartridge Type
Electret Condenser
Frequency Response
50–17000 Hz
Polar Pattern
MX412D/C, MX418D/C Cardioid
MX412D/S, MX418D/S Supercardioid
Output Impedance
180 Ω
Output Configuration
Active Balanced
Sensitivity
@ 1 kHz, open circuit voltage
Cardioid –35 dBV/
Pa(21 mV)
Supercardioid –34 dBV/
Pa(24 mV)
1 Pa=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
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
45 dB, minimum
Preamplifier Output 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
Net Weight
MX412D 0.81 kg
(1.80 lbs)
MX418D 0.82 kg
(1.82 lbs)
Logic Connections
LED IN Active low (≤1.0V), TTL compatible. Absolute maximum voltage:
-0.7V to 50V.
LOGIC-OUT Active low (≤0.5V), sinks up to 20mA, TTL compatible. Absolute
maximum voltage: -0.7V to 24V (up to 50V through 3kΩ).
Mute Switch
–50 dBminimum
Cable
3 m (10 ft) attached cable with shielded audio pair terminated at a 3-pin male XLR and three un-
terminated 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 V DC, 2.0 mA
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Certifications
Meets essential requirements of all applicable European Directives.
Eligible for CE marking.
The CE Declaration of Conformity can be obtained from Shure
Incorporated or any of its European representatives. For contact informa-
tion please visit www.shure.com
The CE Declaration of Conformity can be obtained from: www.shure.com/
europe/compliance
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: info@shure.de