Microflex Series Tri-Element Boundary Microphone (3 x Cardioid)

The Microflex�Multi-Element Boundary microphone delivers a unique and versatile tool for conference room installations.

Clean and simple in appearance, Multi-Element Boundary mics combine the coverage of multiple microphones into one small, compact package.

Polar Pattern
MX396/C-TRI: 3 x Cardioid

Output Impedance
EIA Rated at 150 Ohms (170 Ohms 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 kilohms 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 kilohm 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 3 kilohms)

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 to 57 deg. C (0 to 135 deg. F)
Storage Temperature: -29 to 74 deg. C (-20 to 165 deg. F)
Relative Humidity: 0 to 95%

Power Requirements
MX396/C-TRI: 48�52 Vdc phantom, 12.0 mA