Shure Microflex MX396 Manual de usuario
MX396 Dual & Tri-Element Microphones
© 2013 Shure Incorporated
27A21441 (Rev. 1)
MX396 两单元和三单元话筒
MX396 デュアル & トライエレメントマイクロホン
ДВУХ- И ТРЕХЭЛЕМЕНТНЫЕ МИКРОФОНЫ MX396
MICROFONI A DUE E TRE ELEMENTI MX396
MICROFONOS MX396 DE DOS Y TRES ELEMENTOS
MIKROFONE MX396 MIT ZWEI UND DREI KAPSELN
MICROPHONES À ÉLÉMENTS DOUBLES ET TRIPLES MX396
Microfone de Superfície com Vários Elementos
3
Multi-Element Boundary Microphone
General Description
Shure MX396 Dual-Element and Tri-Element microphones provide
full coverage of large tables with fewer microphones, and feature a
low profile design. This makes them ideal for use in boardrooms and
other installations where aesthetics are important.
Features
• Low profile, aesthetic design
• Wide dynamic range and smooth frequency response
• Configurable mute switch with logic output
• Logic input for external LED control
• RF filtering with CommShield®technology
Placement
Important: Align the Shure logo as shown for proper coverage.
MX396/C-DUAL
2 x 130° @ -3 dB
MX396/C-TRI
300° @ -3 dB
MX396/C-DUAL & TRI
MX396/C-TRI
360°
4
Reconfiguring the MX396-TRI for 360° Coverage
To configure the MX396 for 360° "omnidirectional" coverage, open the grille and reposition the internal mic elements as shown.
Permanent Installation
Note: Overtightening the wing nut reduces shock isolation.
5
Cable
The MX396 comes with a 20 ft. attached, unterminated cable.
Wire Color Function Mic Element
White Mic 1 Audio + A
Green Mic 1 Audio −
Orange Mic 2 Audio + B
Blue Mic 2 Audio −
Yellow Mic 3 Audio + C (TRI models)
Gray Mic 3 Audio −
Red SWITCH OUT All
Black LED IN
Silver
(non-insulated)
Logic Ground
Shield Mic Common
Ground
Phantom Power
Each element in the microphone requires 12 to 48 V phantom power.
The LED also uses phantom power, and dims slightly when phantom
power voltage drops below 48 V DC.
The Tri-element model draws 22 mA at 48 V. The Dual-element mod-
el draws 19 mA at 48 Vdc. (Each element draws 3 mA and the LED
draws 13 mA, distributed equally among each element.)
NOTE: Do not connect multiple elements in parallel to a single mic
input. The phantom power current draw could exceed the maximum
allowable for one mic input.
Accessing the DIP Switches
Caution: Failure to reinstall the setscrew will reduce RF immunity.
DIP Switch Settings
DOWN (Default) UP
Momentary Toggle
Push-to-Mute Push-to-Talk
Mute button enabled,
LED illuminates when
mic is active
Disable mute button
(microphone always
on), logic controls LED
Full Frequency Range 6dB/octave Low Cut
Filter
6
Local Mute Control
The mircophone ships configured for local (manual) mute control
(DIP Switch 3 down). In this mode, the PUSH button on the micro-
phone mutes the audio signal at the microphone. Audio is not sent
to the audio outputs.
In this configuration, the LED color reflects the microphone state, as
controlled by the user with the PUSH button.
Green: microphone active
Red: microphone muted
Button Configuration
For local mute control operation, use DIP Switches 1 and 2 to configure the button behavior.
Button Behavior SWITCH OUT Logic Signal DIP Switch Setting
Momentary: push-to-mute (as
shipped).
When pushed, SWITCH OUT
(red wire) falls to 0 V. When re-
leased, SWITCH OUT returns
to +5 V.
Momentary: push-to-talk
Toggle: Push and release to
toggle the microphone on or
off. Mic is active when pow-
ered on.
Push and release sets
SWITCH OUT to 0 V. Push
again to toggle back to +5 V.
Toggle: Push and release to
toggle the microphone on or
off. Mic is mute when powered
on
Low Cut Filter
Set DIP Switch 4 up to activate the low cut filter. Attenuates 6 dB per octave below 150 Hz.
7
Logic Mute Control (Automatic Mixing)
Set DIP Switch 3 up to configure the microphone for logic control applications where audio from the microphone is muted by an external de-
vice, such as an automatic mixer. In this mode, the local mute function of the PUSH button is bypassed (the microphone always sends audio)
and the LED does not respond directly from pushing the button.
As required by the installation specifications, wire the SWITCH OUT conductor in the microphone cable to the automatic mixer or other TTL
logic device. When the talker presses the button on the microphone, it changes the voltage level at the SWITCH OUT conductor, which sig-
nals the device to mute audio for that channel or perform some other function.
To control the LED on the microphone, wire the LED IN conductor to the gate output on the automatic mixer (or any TTL logic device).
Button Configuration
For logic control operation, DIP Switch 1 determines the button behavior (DIP Switch 2 has no effect).
Button Behavior DIP Switch Setting
Momentary: When pushed, SWITCH OUT (red
wire) falls to 0 V. When released, SWITCH OUT
returns to +5 V.
Toggle: Push and release sets SWITCH OUT
to 0 V. Push again to toggle back to +5 V.
Controlling the LED Using Logic LED IN
When configured for logic mute control, connect the LED IN conductors to an external switch, relay, or a TTL gate (gate
out) on an automatic mixer.
• The LED illuminates green when the MX396 LED IN is grounded (black wire connected to the bare silver wire).
• The LED illuminates red when LED IN is lifted (black wire is NOT connected to the bare silver wire).
8
All measurements taken with microphone mounted on a wooden surface (76 x 76 cm)
Cartridge Type
Electret Condenser
Frequency Response
50–17000 Hz
Polar Pattern
MX396/C-DUAL Cardioid (x2)
MX396/C-TRI Cardioid (x3)
Output Impedance
170 Ω
Output Configuration
Active Balanced
Sensitivity
@ 1 kHz, open circuit voltage
−35 dBV/Pa (18 mV)
1 Pa=94 dB SPL
Maximum SPL
1 kHz at 1% THD, 1 kΩ load
122 dB
Equivalent Output Noise
A-weighted
30 dB SPL
Signal-to-Noise Ratio
Ref. 94 dB SPL at 1 kHz
64 dB
Dynamic Range
1 kΩ load, @ 1 kHz
92 dB
Common Mode Rejection
10 to 100,000 kHz
45 dB, minimum
Preamplifier Output Clipping Level
at 1% THD
–7 dBV (0.5 V)
Mute Switch
−50 dBminimum
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).
Cable
6.1 m (20 ft), attached, unterminated, three shielded audio pairs and three shielded con-
ductors for logic control
Net Weight
594 g (1.3 lbs)
Environmental Conditions
Operating Temperature –18–57°C (0–135°F)
Storage Temperature –29–74°C (–20–165°F)
Relative Humidity 0–95%
Power Requirements
MX396/C-DUAL 48–52 V DC, 19.0 mA
MX396/C-TRI 48–52 V DC, 22.0 mA
Specifications
Replacement Parts
Fastening Wing Nut
Mounting Tube
Rubber Isolation Rings (2)
Mic Cartidge (Cardioid)
65A2190
31A2165
66A405
R185B
9
Microphone à effet de surface multi capsules
Description générale
Les microphones à deux et trois capsules Shure MX396 assurent
la couverture complète de grandes tables avec moins de micro-
phones tout en offrant un design extra-plat. Ainsi, ils conviennent
parfaitement aux salles de réunion et autres lieux où l'esthétique est
importante.
Caractéristiques
• Design esthétique et extra-plat
• Plage dynamique large et réponse en fréquence régulière
• Interrupteur de coupure du son configurable avec sortie logique
• Entrée logique pour commande externe de la LED
• Filtrage RF avec technologie CommShield®
Placement
Important : Aligner le logo Shure comme indiqué pour obtenir la couverture adéquate.
MX396/C-DUAL
2 x 130° @ -3 dB
MX396/C-TRI
300° @ -3 dB
MX396/C-DUAL & TRI
MX396/C-TRI
360°
10
Configuration du microphone MX396-TRI pour une couverture à 360°
Pour configurer le microphone MX396 pour une couverture « omnidirectionnelle » à 360°, ouvrir la grille et repositionner les capsules internes
du micro comme illustré.
Installation permanente
Remarque: un serrage excessif de l'écrou à oreilles réduit l'isolation contre les chocs.
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