Microflex 390 마이크 시리즈는 대형 회의장이나 강의실, 교회 강단에 이르기까지 다양한 용도의 솔루션을 제공하는 제품이다.
Microflex 바운더리 마이크에는 내장된 프리앰프와 프로그래밍이 가능한 무소음 박막 스위치 및 자동 믹서나 기타 주변기기에 연결할 수 있는 입출력 장치를 제공하는 독특한 특성의 3가지 모델이 있으며 카트리지 교환이 가능하다.
• 두 가지 색상 상태 표시링
• 프로그램 가능한 뮤트 스위치
• 단일지향성 패턴
• Multi-Element Boundary Microphone Models
– MX396C/DUAL Dual-Element 0-180 Degrees, Cardioid, back or bottom exit cable, mute output, LED input
– MX396C/TRI Tri-Element 90-0-90 mic, adjustable to 120-120-120 degrees, Cardioid, back or bottom exit
cable, mute output, LED input
• Type Condenser (electret bias)
• Frequency Response 50–17000 Hz

• Polar Pattern
– MX396/C-DUAL: 2 x Cardioid
– MX396/C-TRI: 3 x Cardioid
– 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.)
– 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).
– 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
– 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












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