Shure MX300 manual General, Features, Model Variations, Selecting a Cartridge

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MicroflexMX300 Series User Guide

Boundary Microphones

GENERAL

Shure MicroflexMX300 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 Switchcraft Tini Q-Gconnector.

Selecting a Cartridge

All Microflexmicrophones 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 Output

Polar Pattern

Microflex

 

 

Cable Connector

Connector

 

Model

 

 

 

 

 

 

Sound reinforcement for

Lectern, pulpit, stage floor, or

Hard Wired

Hard Wired

Cardioid

MX392/C

speech and vocals

conference table

Hard Wired

Hard Wired

Supercardioid

MX392/S

 

 

Tini Q-G

XLR

Cardioid

MX393/C

 

 

Tini Q-G

XLR

Supercardioid

MX393/S

Recording or remote moni-

Lectern, pulpit, stage floor, or

Hard Wired

Hard Wired

Omnidirectional

MX392/O

toring of speech and vocals

conference table

Tini Q-G

XLR

Omnidirectional

MX393/O

Video conferencing or

Lecturn, pulpit, stage floor, or

Hardwired

Tini Q-G

Cardioid

MX392/CZ

computer telephony

conference table

 

 

 

 

 

 

 

 

 

 

2000, Shure Incorporated

27C2834 (TJ)

Printed in U.S.A.

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Contents Microphone Placement FeaturesGeneral Model VariationsPainting the Microphone Figure Securing Microphones to a Mounting SurfaceChanging the Microphone Cartridge Figure RE±ROUTING Cable for Bottom ExitMX392 Logic Terminal Definitions Figure Internal DIP Switch Functions FigureMX392 Logic Modifications Replacement Parts SpecificationsAvantages Placement DU MicrophoneVariantes Choix de la cartoucheFixation DES Microphones SUR UNE Surface DE Montage Figure Remplacement DE LA Cartouche DU Microphone FigurePeinture DU Microphone Figure Réacheminement DU Câble Pour LA SortieModifications DE Logique DU MX392 Définition DES Bornes DE Logique DU MX392Isolation de la masse logique de la masse audio Modifications spécialesPièces DE Rechange CaractéristiquesModellvarianten MerkmaleKapselauswahl MikrofonaufstellungAustauschen DER Mikrofonkapsel Abbildung Lackieren DES Mikrofons AbbildungDefinitionen DER MX392 Logikanschlussklemmen Abbildung Interne DIP±SCHALTERFUNKTIONEN AbbildungVeränderungen DER MX392 Logik Isolierung der Logikerde von der AudioerdeErsatzteile Technische DatenVariedades DE Modelos CaracteristicasSelección de un cartucho = Cardioide, S = Supercardioide, O = OmnidireccionalPintura DEL Microfono Figura Fijacion DE Microfonos a LA Superficie DE Montaje FiguraCambio DEL Cartucho DEL Microfono Figura Definiciones DE LOS Bornes Logicos DEL MX392 Figura Funciones DE LOS Interruptores DIP Internos FiguraModificaciones DE Circuitos Logicos DEL MX392 Modificaciones especiales del interruptorRepuestos EspecificacionesDescrizione DEI Modelli CaratteristicheSelezione della cartuccia Collocazione DEL MicrofonoSostituzione Della Cartuccia DEL Microfono Figura Verniciatura DEL Microfono FiguraDescrizioni DEI Terminali Logici DEL Modello MX392 Figura Funzioni Degli Interruttori DIP InterniModifiche DEI Terminali Logici DEL Modello MX392 Isolamento della massa logica dalla massa audioRicambi Dati TecniciABBILDUNG1 Figura 1 Figura ABBILDUNG6 Figura 6 Figura Abbildung 9 Figura 9 Figura Figure 11ABBILDUNG 11FIGURA 11FIGURA
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MX300 specifications

The Shure MX300, MX392/C, and MX392/S are professional-grade microphones designed for various applications, particularly in conferencing, presentations, and theater productions. Each model boasts a unique set of features and technologies that make them ideal choices for audio professionals seeking high-quality sound in a compact and versatile form factor.

The Shure MX300 is a boundary microphone known for its exceptional sound pickup capabilities. It features a low-profile design that allows for discreet placement on conference tables or stage floors. The microphone utilizes a wide frequency response range, ensuring clear and accurate sound reproduction. The MX300 is equipped with a cardioid polar pattern, which effectively reduces ambient noise and feedback, focusing on the sound source directly in front of it. This makes it especially suitable for situations with multiple speakers, as it minimizes interference from surrounding sounds.

The MX392/C and MX392/S models share many similarities but cater to different user needs. The MX392/C comes equipped with a connector specifically designed for connection to a variety of audio systems, making it a flexible choice for various installations. This model also features an integrated preamplifier, which enhances the microphone's sensitivity and overall performance. The MX392/S, on the other hand, is designed for use with Shure's wireless systems, allowing for a more mobile and dynamic setup without compromising on sound quality.

Both the MX392/C and MX392/S utilize Shure's proprietary technologies to deliver pristine audio quality. The microphones employ high-quality condenser elements that capture a broad range of frequencies, providing a natural sound that accurately represents the speaker's voice. Additionally, the microphones are constructed with rugged materials designed to withstand the rigors of professional use, ensuring durability and longevity.

Another notable feature of these microphones is their ease of installation and use. With a variety of mounting options, including desktop bases and flexible goosenecks, users can customize their microphone placement for optimal performance. The built-in LED status indicator on the MX392 models helps users ensure that the microphone is powered and functioning properly.

In summary, the Shure MX300, MX392/C, and MX392/S microphones combine cutting-edge technology, robust construction, and user-friendly design to provide exceptional audio performance for a range of professional applications. Whether for conference settings, public speaking, or live performances, these microphones offer reliability and clarity, ensuring that every voice is heard.
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