舒尔小型界面话筒　SHURE　MX395

当隐蔽安装为优先考试因素时，Microflex小型界面话筒是表面安装话筒的理想选择。这些话筒在几乎不容易被注意的同时，提供杰出的声音拾取功能，可完美地应用于会议室。可选择颜色及指向性，自行设定桌面及天花板的安装。

■ 直径仅为1.25英寸(3.8厘米)
■ 心型、无指向性及“8”字型指向性
■ 宽广的动态范围和平滑的频率响应
■ 有黑色、白色及铝灰色可供选择
■ 双色状态指示灯环(可选)
■ 用于远端LED和静音控制的逻辑输入

提供型号：
MX395B C/O/BI 黑色
MX395AL C/O/BI 铝灰色
MX395W O 白色
MX395B O/C/BI-LED 黑色，双色状态指示灯环

C＝心型，O＝无指向性，BI＝“8”字型指向性 

Specifications：

Type
Condenser (electret bias)

Frequency Response
50–17000 Hz

view larger

Polar Pattern
MX395/O: Omnidirectional
MX395/C: Cardioid
MX395/BI: Bidirectional

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

Output Configuration
Active balanced

Sensitivity (at 1 kHz , open circuit voltage)
Cardioid: –35 dBV/Pa (18 mV)
Omnidirectional: –28 dBV/Pa (42 mV)
Bidirectional: –37 dBV/Pa (14 mV)
1 Pascal=94 dB SPL

Maximum sPl (1 kHz at 1% THD, 1 kΩ load)
Cardioid: 121 dB
Omnidirectional: 114 dB
Bidirectional: 123 dB

Equivalent output Noise (A-weighted)
Cardioid: 28 dB SPL
Omnidirectional: 21 dB SPL
Bidirectional: 29 dB

Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
Cardioid: 66 dB
Omnidirectional: 73 dB
Bidirectional: 65 dB

Dynamic Range (1 kΩ load at 1 kHz)
Cardioid: 93 dB
Omnidirectional: 93 dB
Bidirectional: 94 dB

Common Mode Rejection (10 Hz–100 kHz)
45 dB minimum

Preamplifier output Clipping level (1% THD)
–8 dBV (0.4 V)

Polarity
3-Pin XLR: Positive sound pressure on diaphragm produces positive
voltage on pin 2 relative to pin 3 of output XLR connector.
5-Pin XLR: Positive sound pressure on diaphragm produces positive
voltage on pin 4 relative to pin 2 of output XLR connector.

Weight
Net: 0.136 kg (0.30 lbs.)
Packaged: 0.374 kg (0.825 lbs.)

Logic Connections
LED IN: Active low (≤1.0V), TTL compatible. Absolute maximum voltage:
-0.7V to 50V.

Environmental Conditions
Operating Temperature: -18–57 °C (0–135 °F)
Storage Temperature: -29–74 °C (-20–165 °F)
Relative Humidity: 0–95%

Power Requirements
MX395: 11–52 Vdc phantom, 2.0 mA
MX395-LED: 48–52 Vdc phantom, 8.0 mA