Shure SM11 User Manual

Model SM11 User Guide
Dynamic Lavalier Microphone
©2005, Shure Incorporated
27C3077 (Rev. 12)
Printed in U.S.A.
GENERAL
The Shure Model SM11 is a miniature dynamic lavalier
microphone designed for use in television broadcasting (on
camera), for sound reinforcement, in certain radio and motion
picture applications, and similar uses where a small,
professional-quality, microphone is required. The SM11 has an
omnidirectional pickup pattern, and its frequency response is
optimized for lavalier use. The microphone is supplied with a tie
clasp assembly, tie tack assembly, connector belt clip, and
zippered carrying/storage bag. An optional kit for mounting the
SM11 on various musical instruments is available as Shure Model
RK279.
Features
• Frequency response optimized for lavalier use. Acoustically
matches most stand- or desk-mounted microphones
• Small and lightweight for unobtrusive, virtually unseen operation
• Smooth exterior and recessed grille screen minimize clothing
noise
• Rugged aluminum case construction
• Extremely flexible long-life cable
• Two mounting options–tie clasp or tie tack
• Convenient, secure belt clip attaches connector to belt or clothing
SPECIFICATIONS
Type
Dynamic
Frequency Response
50 to 15,000 Hz (see Figure 1)
TYPICAL FREQUENCY RESPONSE
FIGURE 1
Polar Pattern
Omnidirectional
Impedance
Microphone rating impedance is 150 ohms (200 ohms actual)
for connection to microphone inputs rated at 19 to 300 ohms
Output Level (at 1,000 Hz)
Open Circuit Voltage.......... -64 dBV/Pa (0.60 mV)
(1 Pa = 94 dB SPL)
Polarity
Positive pressure on diaphragm produces positive voltage on
pin 2 with respect to pin 3
Hum Pickup
35 dB equivalent SPL in a 1 millioersted field
Cable
Non-detachable, 1.2 m (48 in.), two-conductor, shielded,
plastic-covered
Connector
Professional three-pin audio (XLR).
Case
Aluminum with gray enamel finish
Dimensions
See Figure 2
OVERALL DIMENSIONS
FIGURE 2
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14.29 mm
(
9
/
16
in.)
38.1 mm
(1
1
/
2
in.)
CABLE:
1219 mm
(48 in.)
83.5 mm
(3
9
/
32
in.)

Shure SM11 Specifications

General

Carrying case	Yes
Number of products included	1 pc(s)
Type	Lavalier/Lapel microphone
Voice coil type	Dynamic
Sensitivity (1kHz)	0.6 mV/Pa
Microphone frequency	50 - 15000 Hz
Microphone sensitivity	-64 dB
Microphone direction type	Omnidirectional
Microphone input impedance	150 Ω
Cable length	1.2 m
Certification	CE, 89/336/EEC, EN55103
Product color	Gray
Housing material	Aluminum
XLR out	1
Device interface	XLR-3
Connectivity technology	Wired

Weight and Dimensions

Width	38.1 mm
Diameter	14.29 mm

Summary

General Information

Product Features

Technical Specifications

Type and Frequency Response

Specifies the microphone type as dynamic and its frequency response from 50 to 15,000 Hz.

Polar Pattern and Impedance

Details the omnidirectional polar pattern and 150-ohm impedance for lavalier use.

Output Level and Polarity

Provides output level (-64 dBV/Pa) and polarity information for diaphragm voltage.

Hum Pickup and Cable Details

Specifies hum pickup (35 dB) and cable characteristics: 1.2m, two-conductor, shielded.

Connector, Case, and Dimensions

Describes the XLR connector, aluminum case, and refers to overall dimensions figure.

Installation Guide

Tie Clasp Assembly Installation

Instructions for inserting the SM11 into the tie clasp and anchoring the cable.

Tie Tack Assembly Installation

Guidance on attaching the microphone using the tie tack holder and clutch.

Connector and Belt Clip Usage

Details on securing the connector with the belt clip and managing excess cable.

Architectural Specifications

Accessories and Replacement Parts