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Mã hàng: MX391W/O
Bảo hành: 12 tháng
TƯ VẤN TẬN TÂM, NHIỆT TÌNH | |
SẢN PHẨM CHÍNH HÃNG Đa dạng chọn lựa |
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TRẢI NGHIỆM THỰC TẾ Tại cửa hàng |
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GIAO HÀNG MIỄN PHÍ Bán kính 10km |
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HỖ TRỢ SETUP MIỄN PHÍ Chuyên gia hàng đầu tại TCA |
MX391 Microflex® Wired Boundary Microphones from Shure are the smartest boundary microphones yet. Equipped with features like programmable, silent membrane switches, logic inputs and outputs, and LED indicators, Microflex Boundary microphones are the high-quality solution for a range of applications, such as altars, boardrooms and distance learning centers. Every Microflex Boundary microphone features a choice of interchangeable condenser cartridges.
Designed to be unobtrusively placed flat on a stage, table top or wall while offering high quality audio for sound reinforcement, boardrooms, broadcast or recording.
(Omni-directional) Includes attached 12" cable and separate in-line preamp, phantom power only
Transducer | Electret Condenser | |
Polar Pattern | Omnidirectional | |
Environmental Requirements | Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F) Relative Humidity: 0 to 95% |
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Dimensions | See User Guide | |
Frequency Response | 50 to 17,000 Hz | |
Output Impedance (at 1000 Hz) | 180 ohms actual (rated at 150 ohms) | |
Open Circuit Sensitivity 1 kHz ref. 1 V per Pascal * | Cardioid: -29.6 dB (33.5 mV) Supercardioid: -28.3 dB (38.5 mV) Omnidirectional: -21.5 dB (81.4 mV) All settings -12 dB at 0 gain; *1 Pascal = 94 dB SPL |
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Maximum Sound Pressure Level (1 kHz at 1% Total Harmonic Distortion, 1 k ohm load) | Omnidirectional: 110.7 dB | |
Signal to Noise Ratio (referenced at 94 dB SPL) | 79.5 dB | |
Equivalent Output Noise (A-weighted) | 14.5 dB SPL | |
Dynamic Range at 1 k ohm Load | 96.2 dB 100 dB at 0 gain |
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Common Mode Rejection | 45 dB minimum, 10 Hz to 100 kHz | |
Preamplifier Output Clipping Level | -6 dBV (0.5 V) 12 dB at 0 gain |
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Polarity | Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of the preamplifier XLR output connector. | |
Power Requirements | 11 to 52 Vdc phantom 2.0 mA current consumption |