Shure 512 Headset Microphone Bedienungsanleitung

27B8114 (BL)

2002, Shure Incorporated Printed in U.S.A.

GENERAL

Shure Model 512 combines an efficient “open-air” head-

phone with a close-talking dynamic microphone. The unit is

unobtrusive, durable, comfortable, and provides a wide fre-

quency range.

The 512 was designed for sports and news announcing, in-

tercommunications systems, and special events remote

broadcasting. It offers convenient hands-free operation, and

a lightweight frame to reduce user fatigue. The unidirection-

al pickup pattern reduces unwanted background noise, per-

mitting its use in noisy environments. The microphone char-

acteristics are tightly controlled resulting in consistent

response and output, and the headphone response is tai-

lored to enhance voice intelligibility.

The headband easily adjusts to fit a variety of head sizes and

hairstyles, and the microphone boom can be adjusted to ac-

curately place the microphone cartridge at the corner of the

user’s mouth. The microphone is supplied with a foam wind-

screen to reduce explosive “popping” sounds, and a cable

clip to secure the cable to clothing.

SPECIFICATIONS

MICROPHONE

Type

Dynamic, close-talking

Frequency Response (at 8 mm 5/16 in.)

50 to 15,000 Hz (see Figure 1)

TYPICAL MICROPHONE FREQUENCY RESPONSE

Figure 1

Polar Pattern

Cardioid (unidirectional) response – uniform with frequen-

cy, symmetrical about axis (see Figure 2).

TYPICAL POLAR PATTERNS

Figure 2

Impedance

Microphone rating impedance is 150 Ohms (200 Ohms

actual) for connection to microphone inputs rated at 19 to

300 Ohms.

Output Level (closed-talked at 1,000 Hz)

Open-circuit voltage -47.0 dB (4.5 mV). . . . . . . . . . . . . .

0 dB=1 volt per 100 microbars

Power Level -66.0 dB. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0 dB=1 milliwatt per 10 microbars

Hum Sensitivity (typical)

38.4 dB equivalent SPL in 1 millioersted field

Polarity

Positive pressure on diaphragm produces positive volt-

age on red lead and pin 2 of connector.

HEADPHONE

Type

Dynamic, open-air, left side only

Frequency Response

100 to 10,000 Hz, tailored for voice intelligibility (see Fig-

ure 3).

TYPICAL HEADPHONE FREQUENCY RESPONSE

Figure 3

Model 512 Headset

Microphone User Guide

Impedance

300 Ohms at 1,000 Hz

Polarity

Positive voltage on cable conductor produces positive

pressure.

Output Level (at 1,000 Hz)

94 dB SPL at ear with 1 mW input

INTERNAL CONNECTIONS

Figure 4

MATERIAL

Cable

2.1 m (7 ft.) attached cables: one 2-conductor shielded

with black 3-pin XLR connector (microphone) and one

single-conductor shielded with 2-circuit phone plug

(headphones).

Headset

Stainless steel and thermoplastic with foam earpads.

Dimensions

See Figure 5.

OVERALL DIMENSIONS

Figure 5

Net Weight

186 grams (6.5 oz.) including connectors

USING THE MICROPHONE

Snap the microphone boom into the rotating holder below

the left earpiece. Put on the headset and adjust the earpads

to the most comfortable position. The headset is designed

for use with the microphone mounted on the left side. Slide

and twist the microphone boom and rotate its holder until the

microphone is located as close as possible to the left corner

of the mouth (not directly in front). See Figure 6 for ideal

placement.

MICROPHONE PLACEMENT

Figure 6

REPLACEMENT PARTS

Microphone Cartridge R93. . . . . . . . . . . . . . . . . . . . . . . . . .

Headphone Cartridge 90FA2600. . . . . . . . . . . . . . . . . . . .

Pop Filter 90RX1371. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Foam Earpad 49A78A. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SHURE Incorporated Web Address: http://www.shure.com

5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.

Phone: 800-257-4873 Fax: 847-866-2279

In Europe, Phone: 49-7131-72140 Fax: 49-7131-721414

In Asia, Phone: 852-2893-4290 Fax: 852-2893-4055

Elsewhere, Phone: 847-866-2200 Fax: 847-866-2585

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