Shure MX392/C - Manual

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Page 2 – CHANGING THE MICROPHONE CARTRIDGE (FIGURE 3)
Page 5 – Discret grâce à sa conception profilée et surbaissée; Tous les microphones Microflex sont offerts avec l’une des
Page 8 – Glattes Flachformdesign für unauffälliges Erscheinungsbild
Page 9 – MIKROFONAUFSTELLUNG; Das Mikrofon auf einer möglichst großen, ebenen Ob-
Page 11 – LED immer AUS; zwecke zur Verfügung.
Page 13 – COLOCACION DE MICROFONOS
Page 15 – El LED permanece apagado; Todas las mediciones se han hecho con el micrófono mon-
Page 17 – COLLOCAZIONE DEL MICROFONO
Page 18 – FUNZIONE DESIDERATA DEL MICROFONO
Page 20 – Requisiti sulle condizioni ambientali; Campo della temperatura di esercizio: da –18 a 57
Page 24 – SCHEMA CIRCUITALE DEI MODELLI MX392/MX393

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GENERAL

Shure Microflex



MX300 Series microphones are surface-

mounted electret condenser microphones designed primarily
for mounting on conference tables, stage floors, and lecterns.
Their high sensitivity and wide frequency range make them
especially suitable for picking up speech and vocals in sound
reinforcement and recording applications. Interchangeable
cartridges provide the installer with greater flexibility and make
it possible to easily reconfigure microphone coverage as the
need arises. The MX392 and MX393 models include an inter-
nal preamplifier.

MX300 Series microphones take advantage of the princi-

ple that, at a barrier or boundary, the sound pressure level
doubles. When placed near a sufficiently large boundary
surface, the microphone has 6 dB higher sensitivity and ap-
proximately 3 dB greater direct-to-reverberant sound ratio.
FEATURES

•

Flat frequency response across the vocal range for
uncolored sound

•

Interchangeable cardioid, supercardioid, and omnidi-
rectional cartridges that provide choices for applications

Sleek, low-profile design for unobtrusive appearance

•

Balanced transformerless output for increased immunity
to noise over long cable runs

•

Low susceptibility to electromagnetic hum and RFI

•

Programmable on/off switch and LED on/off indicator

Logic input/output terminals for remote control or use with
automatic mixers (MX392 models only)

MODEL VARIATIONS

•

MX392 Models: Surface-mount microphone; in-
cludes a programmable membrane on/off switch, log-
ic input/output terminals, an on/off indicator LED,
screw terminal connections, and attached
unterminated cable.

•

MX393 Models: Surface-mount microphone; in-
cludes a programmable membrane on/off switch, an
on/off indicator LED, and a miniature, three pin con-
nector.

Selecting a Cartridge

All Microflex microphones are available with any one of

three interchangeable cartridges. The polar pattern of the
original cartridge used in a particular microphone is
indicated by the model number suffix:

C = Cardioid, S = Supercardioid, O= Omnidirectional

Cardioid (C). Recommended for general sound rein-

forcement applications. Pickup angle (–3 dB) = 130

Supercardioid (S). Recommended for sound reinforce-

ment applications requiring narrow or more distant cover-
age. Pickup angle (–3 dB) = 115

Omnidirectional (O). Recommended for recording or

remote monitoring applications. Pickup angle (–3 dB) =
360

MICROPHONE PLACEMENT

To maintain the flattest possible low-frequency re-

sponse and optimum rejection of background noise, place
the microphone on a flat surface that is as large as pos-
sible. The surface can be a floor, table, or lectern.

NOTE: Avoid locating microphones near reflective sur-
faces other than the boundary surface (i.e., beveled sides
of pulpits or overhanging shelves). Failure to do so will re-
sult in increased levels of reverberant sound.

MICROPHONE APPLICATION AND SELECTION GUIDE

Application

Mounting Surface

Microphone to

Cable Connector

Cable Output

Connector

Polar Pattern

Microflex Model

Sound reinforcement for

speech and vocals

Lectern, pulpit, stage floor, or

conference table

Hard Wired
Hard Wired

TA3F
TA3F

Hard Wired
Hard Wired

XLR
XLR

Cardioid

Supercardioid

Cardioid

Supercardioid

MX392/C
MX392/S
MX393/C
MX393/S

Recording or remote moni-

toring of speech and vocals

Lectern, pulpit, stage floor, or

conference table

Hard Wired

TA3F

Hard Wired

XLR

Omnidirectional
Omnidirectional

MX392/O
MX393/O

Video conferencing or

computer telephony

Lecturn, pulpit, stage floor, or
conference table

Hardwired

TA3F

Cardioid

MX392/CZ

Microflex



MX300 Series User Guide

Boundary Microphones

27E2834 (BE)



2002, Shure Incorporated

Printed in U.S.A.

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Summary

Page 2 - CHANGING THE MICROPHONE CARTRIDGE (FIGURE 3)

2 SECURING MICROPHONES TO A MOUNTING SURFACE(FIGURE 1) 1. Remove the Phillips screw from the bottom of the micro-phone base, then remove the retainer. 2. Remove the grille and foam screen by carefully insertinga pointed tool into the edge of the grille and prying it open. 3. Place the microphone in ...

Page 5 - Discret grâce à sa conception profilée et surbaissée; Tous les microphones Microflex sont offerts avec l’une des

5 Guide de l’utilisateur des microphones périphériquesMicroflex  série MX300 GÉNÉRALITÉS Les Shure Microflex  série MX300 sont des microphones électrostatiques à électret, à montage en surface, conçusprincipalement pour les tables de conférence, planchers descène et lutrins. Grâce à leur haute sen...

Page 8 - Glattes Flachformdesign für unauffälliges Erscheinungsbild

8 Rapport signal/bruit (mesuré avec une pression acous-tique de 94 dB) Cardioïde : 71,0 dBSupercardioïde : 72,0 dBOmnidirectionnelle : 76,5 dB Bruit de sortie équivalent (pondération en A) Cardioïde : 23,0 dBSupercardioïde : 22,0 dBOmnidirectionnelle : 17,5 dB Gamme dynamique 94,0 dB Rejet en mode c...