User's Manual
Table Of Contents
- Table of Contents
- MX392 MX393Boundary Microphones
- General Description
- Interchangeable Cartridges
- Interchangeable Cartridges
- Permanent Installation
- Configuration
- Wiring Diagram
- Mute Button Configuration
- Connecting to an Automatic Mixer
- Logic Wiring
- Changing SWITCH OUT to Always Momentary
- Painting
- Specifications
- Furnished Accessories
- Certifications
Shure Incorporated
14/16
Polarity
Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output XLR
connector
Mute Switch
50–20000 Hz
–50 dB minimum
Logic Connections
LED IN Active low (≤1.0V), TTL compatible. Absolute maximum voltage: 0.7V to 50V.
LOGIC-
OUT
Active low (≤0.5V), sinks up to 20mA, TTL compatible. Absolute maximum voltage: 0.7V to 24V (up to 50V
through 3kΩ).
Cable
MX392 3½ m (12 ft) attached cable with shielded audio pair and three conductors for logic control, unterminated
MX392BE
3½ m (12 ft) attached cable with shielded audio pair and three conductors for logic control, unterminated, bot
tom exit
MX393 3½ m (12 ft) detachable cable with 3-pin audio connector
Weight
172 g (0.38 lbs)
Environmental Conditions
Operating Temperature -18-57 °C(0-135 °F)
Storage Temperature -29-74 °C(-20-165 °F)
Relative Humidity 0-95%
Power Requirements
11-52V DC , 2.0 mA