SHURE MX391/O MIKROFON

SHURE MX391O
Határfelület Mikrofon

• Gömb Karakterisztika
• RK100PK Előerősítő
• TA4F Csatlakozó
• Szín: fekete

Omnidirectional, BlackPolar Pattern

Cardioid (MX391/C, MX391W/C)

Supercardioid (MX391/S, MX391W/S)

Omnidirectional (MX391/O, MX391W/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 degrees 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