General, Specifications | Shure SM11 instruction

Model SM11 User Guide

Dynamic Lavalier Microphone

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 mo- tion picture applications, and similar uses where a small, professional-quality, microphone is required. The SM11 has an omnidirectional pickup pattern, and its frequency re- sponse is optimized for lavalier use. The microphone is sup- plied 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

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

•Frequency response optimized for lavalier use. Acousti- cally matches most stand- or desk-mounted micro- phones

•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

Connector

Professional three-pin audio (XLR).

Case

Aluminum with gray enamel finish

Dimensions

See Figure 2

CABLE: 1219 mm (48 in.)

38.1mm (1 1/2 in.)

14.29mm (9/16 in.)

83.5mm (3 9/32 in.)

Frequency Response

50 to 15,000 Hz (see Figure 1)

OVERALL DIMENSIONS

FIGURE 2

 2001, Shure Incorporated

27B3077 (AF)

Printed in Mexico

SM11 specifications

The Shure SM11 is a compact, versatile dynamic lavalier microphone designed for quality audio capture in various applications. Notably, it's often used in broadcasting, theater, film production, and public speaking, making it a favorite choice for professionals in the industry.

One of the main characteristics of the SM11 is its robust build quality. Designed to withstand the rigors of daily use, the microphone features a durable housing and a tough cable, ensuring longevity and reliability. The microphone is also lightweight, making it comfortable for extended wear without causing fatigue.

The SM11 employs a cardioid pickup pattern, which is critical for reducing background noise. This directional characteristic helps focus on the sound source, providing cleaner audio by minimizing unwanted sounds from the sides and rear. This feature is particularly advantageous in noisy environments, allowing the speaker's voice to stand out clearly during recordings.

As a dynamic microphone, the SM11 doesn't require external power, making it easy to integrate into various audio setups without the need for batteries or phantom power. This convenience is a significant benefit for users who need a plug-and-play solution. The microphone's frequency response ranges from 50 Hz to 15 kHz, effectively capturing the tonal range of the human voice. Its tailored response adjusts to vocal nuances, providing clear and natural sound reproduction.

Additionally, the Shure SM11 features an adjustable clip that allows for flexible positioning. This adaptability ensures optimal placement for the microphone, whether attached to clothing or secured to a designated surface, enhancing its audio pickup capabilities.

Overall, the Shure SM11 combines durability, sound quality, and user-friendly design, making it an ideal choice for those seeking a reliable lavalier microphone. Its blend of advanced technologies and practical features makes it suitable for a variety of sound reinforcement environments, catering to the needs of professionals in different fields. With the SM11, users can expect exceptional performance and sound clarity, solidifying its place as a trusted tool in audio production.