产品品牌：舒尔Shure

产品型号：MX 412

指向性：单向性

制造组件：真空管

单体结构：电容式

接收方式：有线

使用方式：其它

产品介绍MODEL VARIATIONS
MX412D: 304.8 mm (12 in.) desktop mini-condenser, gooseneck-mounted microphone.SPECIFICATIONS

Frequency Response (Figure 1)
50 to 17,000 Hz
Polar Pattern (Figure 2)
Output Impedance (at 1,000 Hz)
Rated at 150 (180 actual)
Open Circuit Sensitivity
At 1 kHz, ref. 1 V per Pascal*
Cardioid: 33.5 dBV (21.1 mV)
Supercardioid: 32.5 dBV (23.7 mV)
Omnidirectional: 28.0 dBV (39.8 mV)
* 1 Pascal=94 dB SPL
Maximum SPL (1kHz at 1% THD, 1 k load)
Cardioid: 123.0 dB
Supercardioid: 122.0 dB
Omnidirectional: 117.5 dB
Equivalent Output Noise (A-weighted)
Cardioid: 29.0 dB SPL
Supercardioid: 28.0 dB SPL
Omnidirectional: 70.5 dB SPL
Signal to Noise Ratio (referenced at 94 dB SPL)
Cardioid: 65.0 dB
Supercardioid: 66.0 dB
Omnidirectional: 70.5 dB
Dynamic Range with 1 k load
94.0 dB
Common Mode Rejection
45.0 dB minimum
Mute Switch Attenuation
50.0 dB minimum
Preamplifier Output Clipping Level (1% THD)
6.0 dBV (0.5 V)
Polarity
Positive sound pressure on diaphram produces positive voltage
on pin 2 relative to pin 3 of XLR output connector.
Power Requirements
11 to 52 Vdc phantom, 2.0 mA
Environmental Requirements
Operating Temperature Range: 18 to 57 C (0 to 135 F)
Relative Humidity: 0 to 95%
Dimensions (Figure 3)
Weight
MX412D: 0.81 kg (1.80 lbs.) net, 1.63 kg (3.62 lbs.) packaged
Cable Type (figure 7)
The attached custom cable contains a shielded audio pair and
three unshielded conductors for logic control.
Overall diameter=0.6 mm (0.165 in.)
Certification
Eligible to bear CE Marking. Conforms to European EMC
Directive 89/336/EEC. Meets applicable tests and performance
criteria in European Standard EN55103 (1996) parts 1 and 2, for
residential (E1) and light industrial (E2) environments