舒尔多单元界面话筒　SHURE　MX396

Microflex多单元界面话筒为会议室系统安装提供了一个独一无二的全面解决方案。多单元界面话筒简洁的外表下，可采用两个或三个话筒单元配置，将多个话筒的拾音范围整合入一小巧、紧凑的结构内。
■ 会议桌顶端(300°)、会议桌中央(360°)、或双向(130°×2)拾音覆盖图案
■ 每个话筒单元可独立控制
■ 双色状态指示灯环
■ 可编程静音开关
■ 用于远端LED和静音控制的逻辑输入/输出

提供型号：
MX396 C-DUAL 双单元配置
MX396 C-TRI 三单元配置

Specification:

Type
Condenser (electret bias)

Frequency Response
50–17000 Hz

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Polar Pattern
MX396/C-DUAL: 2 x Cardioid
MX396/C-TRI: 3 x Cardioid

Output Impedance
EIA Rated at 150 Ω (170 Ω actual)

Output Configuration
Active balanced

Sensitivity (at 1 kHz , open circuit voltage)
–35 dBV/Pa (18 mV)
1 Pascal=94 dB SPL

Maximum SPL (1 kHz at 1% THD, 1 kΩ load)
122 dB

Equivalent Output Noise (A-weighted)
28 dB SPL

Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
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)
–7 dBV (0.5 V)

Weight
Net: 0.587 kg (1.29 lbs.)
Packaged: 0.916 kg (2.02 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
6.1 m (20 ft) attached unterminated cable with three shielded audio
pairs and three shielded 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
MX396/C-DUAL: 48–52 Vdc phantom, 10.0 mA
MX396/C-TRI: 48–52 Vdc phantom, 12.0 mA