SHURE MX391/S MICROPHONE Mini boundary, supercardioid, phantom power, black

Specifications

MX391

Spec Sheet (PDF)

Polar Pattern

Cardioid (MX391/C, MX391W/C, MX391LP/C, MX391WLP/C)

Supercardioid (MX391/S, MX391W/S, MX391LP/S, MX391WLP/S)

Omnidirectional (MX391/O, MX391W/O, MX391LP/O, MX391WLP/O)

Environmental Requirements

Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F)

Relative Humidity: 0 to 95%

Dimensions

See User Guide

PREAMPLIFIER SPECIFICATIONS MX391 ONLY

These specifications apply only to the MX391/MX391W microphones when used with the supplied preamplifier. All measurements taken with the microphone mounted on a 76.2 cm x 76.2 cm (30 in. x 30 in.) wooden surface and with the sound source incident at 30 . with respect to the surface plane.

 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

Maximum Sound Pressure Level (1 kHz at 1% Total Harmonic Distortion, 1 k ohm load)

Cardioid: 118.8 dB

Supercardioid: 117.5 dB

Omnidirectional: 110.7 dB

All settings +6 dB at 0 gain

Signal to Noise Ratio (referenced at 94 dB SPL)

Cardioid: 71.4 dB

Supercardioid: 72.7 dB

Omnidirectional: 79.5 dB

Equivalent Output Noise (A-weighted)

Cardioid: 22.6 dB SPL

Supercardioid: 21.3 dB SPL

Omnidirectional: 14.5 dB SPL

Dynamic Range at 1 k ohm Load

96.2 dB

100 dB at 0 gain

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

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

MX392 & MX 393

Spec Sheet (PDF)

All measurements taken with microphone mounted on a wooden surface 76.2 cm x 76.2 cm (30 in. x 30 in.).

Frequency Response

50 to 17,000 Hz

Polar Pattern

Cardioid (MX392/C, MX393/C)

Supercardioid (MX392/S, MX393/S)

Omnidirectional (MX392/O, MX393/O)

Output Impedance

EIA Rated at 150 ohms (180 ohms actual)

Sensitivity (at 1 kHz, open circuit voltage)

Cardioid Cartridge: -27.5 dBV/Pa (42.2 mV)

Supercardioid Cartridge: -26.5 dBV/Pa (47.3 mV)

Omnidirectional: -22.0 dBV/Pa (79.4 mV)

1 Pascal=94 dB SPL

Maximum Sound Pressure Level (1 kHz at 1% Total Harmonic Distortion, 1 k ohm load)

Cardioid: 117.0 dB

Supercardioid: 116.0 dB

Omnidirectional: 111.5 dB

Signal to Noise Ratio (referenced at 94 dB SPL)

Cardioid: 71.0 dB

Supercardioid: 72.0 dB

Omnidirectional: 76.5 dB

Equivalent Output Noise (A-weighted)

Cardioid: 23.0 dB

Supercardioid: 22.0 dB

Omnidirectional: 17.5 dB

Dynamic Range

94.0 dB

Common Mode Rejection

45 dB minimum, 10 Hz to 100 kHz

Switch Attenuation

50 dB minimum

Preamplifier Output Clipping Level

-6 dBV (0.5 V)

Polarity

Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output connector.

Logic Connections (MX392 Only)

LED IN: Active low (≤1.0v), TTL compatible. Absolute maximum voltage: -0.7V to 50V.

SWITCH OUT: Active low (≤0.5V), sinks up to 20mA, TTL compatible. Absolute maximum voltage: -0.7V to 24V (up to 50V through 3 k ohms).

Power Requirements

11 to 52 Vdc phantom

2.0 mA current consumption

Environmental Requirements

Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F)

Relative Humidity: 0 to 95%

Dimensions

See User Guide