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Shure mikrofon WL51W

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WARNING:

THE MAGNET MOUNT SHOULD NOT

BE USED BY PERSONS FITTED

WITH AN IMPLANTED MEDICAL

DEVICE, SUCH AS A PACEMAKER

OR DEFIBRILLATOR.

MAGNET MOUNT

DUAL TIE CLIP

SWIVELING LAPEL

CLIP

PIN MOUNT

WA350 Carrying Case (WL51 only)

Models WL50/WL51 and

MC50/MC51 User Guide

27 3114 (Rev. )F 5

200 , Shure Incorporated5

Printed in U.S.A.

SUPPLIED MOUNTING ACCESSORIES

GENERAL

Shure models WL50/MC50 (omni) and WL51/MC51 (unidirectional) are subminiature, elec-

tret condenser lavalier microphones. They provide uncompromised sound quality and high

reliability with minimal visibility in sound reinforcement applications such as television broad-

casting and stage performances. Despite its small size, the microphone’s condenser ele-

ment provides full, clear and natural reproduction of speech. Each microphone is supplied

with two foam windscreens to minimize wind noise. The supplied mounting accessories con-

sist of a lapel clip, a tie clip, a pin mount, and a magnet mount, giving the user a wide variety

of options for placement.

MODEL VARIATIONS

WL50 (omni)/WL51 (uni): Intended for wireless use. Connects to Shure wireless

bodypack transmitters via a TA4F connector.

WL50X (omni)/WL51X (uni): Supplied with a 3 m (10 ft.) stripped and tinned cable for

wiring to an alternate connector.

WL50–LO: A lower sensitivity variation of the WL50, supplied with a TA4F connector.

(omnidirectional)

WL50X–LO: A lower sensitivity version of the WL50, supplied with stripped and tinned

leads. (omnidirectional)

MC50 (omni)/MC51 (uni): Intended for hardwired applications. WL50 or WL51

microphone supplied with an in-line preamplifier with a three-pin male XLR audio

connector.

FEATURES

SExtended frequency response with user changeable equalization caps for response

shaping (omni only)

SLow visibility with a variety of options for mounting

SWL50—(omnidirectional) offered in black, beige, and white with matching accessories

SWL51—(unidirectional) offered in black and white with matching accessories

SLow handling noise

SLegendary Shure quality, ruggedness, and reliability

WINDSCREENS

Two acoustic foam windscreens are supplied to help reduce undesirable wind noise.

EQUALIZATION CAPS

The WL50 and the MC50 omnidirectional models are each supplied with two types of equal-

ization caps for high frequency response shaping. The caps effect the response range be-

tween 5,000 and 20,000 Hz (see Figure 4), and can be distinguished by the color of their

mesh screens. The mild boost equalization cap has a very fine mesh, silver color screen,

and attenuates the natural high frequency peak of the microphone. The high boost equaliza-

tion cap has an open mesh gold color screen and does not attenuate the high frequency peak.

The WL51 and MC51 unidirectional models are supplied with the high boost equaliza-

tion cap only. The WL51 and MC51 models should never be used with the mild boost

equalization cap because the unidirectional pick-up pattern will be severely altered.

This is due to partial blocking of the front opening, and they will not perform correctly.

NOTE: For best sound quality, replace the equalization caps if they become

clogged with make-up.

USING THE MC50/MC51 WITH A MIXER

The preamplifier supplied with both the MC50 and MC51 requires phantom power ranging

from 11 to 52 Vdc. Connect the preamplifier to a mixer input with a minimum load impedance

of 800 Ω to maximize operating headroom.

USING THE WL50/WL51 WITH OTHER BODYPACK TRANSMITTERS

If connecting the WL50/WL51 to anything OTHER than a Shure wireless bodypack, make

sure the device provides a regulated +5 Vdc (130 A minimum) to the red conductor. Refer

to the wiring diagrams in Figures 6 and 7.

WIRING THE WL50X/WL51X TO AN ALTERNATE CONNECTOR

Model WL50X/WL51X is supplied with a stripped and tinned cable for wiring to a variety of

connectors. Refer to the WL50X/WL51X wiring diagram in Figure 6. For additional informa-

tion on wiring the WL50X/WL51X to an alternate connector, contact Shure’s Applications De-

partment at (847) 600–8440 or 1–800–516–2525.

MOUNTING THE MICROPHONE

The WL50/WL51 and MC50/MC51 microphones come with the following

mounting accessories:

Swiveling Lapel Clip. Features a spring-loaded clasp that attaches easily to a necktie, lapel,

blouse or shirt, connected to a rotatable mounting clip. To mount, snap the microphone cable

into the clip near the neck of the microphone, then attach the clasp to an article of clothing.

Rotate the mounting clip to place the microphone at desired angle.

Dual Tie Clip. Features a spring-loaded clasp that attaches easily to a necktie or suit coat

lapel, and a clip that holds one or two microphones. To mount, snap the microphone cable(s)

into the clip near the neck of the microphone, then attach the clasp to an article of clothing.

Pin Mount. Features a translucent mounting clip with two straight pins that easily secure to

an article of clothing. To mount, slide the straight pins into clothing, then snap the microphone

cable into the mounting clip near the neck of the microphone.

Magnet Mount. Features a backplate that is worn under clothing and attaches to a magnetic

mount capable of holding one or two microphones. To mount, place the magnetic backplate

“necklace” around neck and under clothing, then align the magnet mount to the backplate and

secure it to clothing. Snap microphone cable(s) into the clip near the neck of the microphone,

and adjust the magnet mount to hold microphone at the desired angle.

WARNING: The magnet mount should not be used by persons

ﬁtted with an implanted medical device, such as a pacemaker or

deﬁbrillator.

FURNISHED ACCESSORIES

Foam Windscreen (2 pcs.): Black, beige or white

* Mild Boost Equalization Cap (2 pcs.): Black, beige or white

High Boost Equalization Cap (2 pcs.): Black, beige or white

Swiveling Lapel Clip: Black, beige or white

Dual Tie Clip: Black, beige or white

Preampliﬁer with hardware (MC50/MC51 only) RPM626. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Magnet Mount

Black 90A4694. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Beige 90B4694. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

White 90C4694. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pin Mount 95A2162. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPTIONAL ACCESSORIES

Phantom Power Supply PS1A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Battery-Operated Preampliﬁer MX1BP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

REPLACEMENT PARTS

High Boost Equalization Caps

Black (5 pcs.) RPM208. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Beige (5 pcs.) (omni only) RPM212. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

White (5 pcs.) RPM216. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mild Boost Equalization Caps (omni only)

* Black (5 pcs.) RPM220. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Beige (5 pcs.) RPM214. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

* White (5 pcs.) RPM218. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Foam Windscreen

Black (5 pcs.) RPM304. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Beige (5 pcs.) RPM306. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

White (5 pcs.) RPM308. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Swivel Lapel Clips and 2 Dual Tie Clips

Black RPM500. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Beige RPM502. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

White RPM504. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mini 4–pin (TA4F type) Connector WA331. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Carry Case (WL51 only) WA350. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

* Not used with WL51, MC51 models

SPECIFICATIONS WL50

{

WL50–LO

{

MC50

}

WL51

{

MC51

}

Type Condenser (electret bias) Condenser (electret bias) Condenser (electret bias) Condenser (electret bias) Condenser (electret bias)

Polar Pattern Omnidirectional Omnidirectional Omnidirectional Cardioid Cardioid

Output Impedance N/A N/A 136 ) N/A 136 ) actual (rated at 150   actual (rated at 150 

Recommended Min. Input

Impedance 20 k 20 k 20 k  N/A N/A

Output Level –45.0 dBV/Pa

(1 Pa=94 dB SPL) –54.0 dBV/Pa

(1 Pa=94 dB SPL) –41.0 dBV/Pa

(1 Pa=94 dB SPL) –50.0 dBV/Pa

(1 Pa=94 dB SPL) –46.0 dBV/Pa

(1 Pa=94 dB SPL)

Maximum SPL 133 dB at 1% THD/

20k load

142 dB at 1% THD/

20k load

138 dB at 1% THD/

1 k ohm load 138 dB at 1% THD/

20k load

143 dB at 1% THD/

1 k ohm load

Frequency Response 20 to 20,000 Hz (see Figure 5)

Dynamic Range 103.0 dB 103.0 dB 108.0 dB 103.0 dB 108.0 dB

Output Noise

(equivalent SPL, A-weighted) 30 dB typical; 33 dB maximum 39 dB typical; 42 dB maximum 30 dB typical; 33 dB maximum 35 dB typical; 38 dB maximum 35 dB typical; 38 dB maximum

Signal-to-Noise

Ratio 64 dB at 94 dB SPL 55 dB at 94 dB SPL 64 dB at 94 dB SPL 59 dB at 94 dB SPL 59 dB at 94 dB SPL

Power Requirements +5 Vdc on pin 2, return on pin 1

(ground). +5 Vdc on pin 2, return on pin 1

(ground). 11 to 52 Vdc (positive on pins 2

and 3, return on pin 1). +5 Vdc on pin 2, return on pin 1

(ground). 11 to 52 Vdc (positive on pins 2

and 3, return on pin 1).

Current Drain 60–130 A 60–130 A 60–130 A  4.6 mA 4.6 mA

Polarity—Positive pressure on

the diaphragm produces a

positive voltage at:

Pin 3 relative to pin 1 at the output connector of the microphone. pin 2 relative to pin 3 of the output

connector of preampliﬁer. pin 3 relative to pin 1 at the

output connector of the

microphone.

pin 2 relative to pin 3 of the output

connector of preampliﬁer.

Overvoltage Protection N/A N/A ±75.0 Vdc maximum from pins

2 and 3 to pin 1. N/A ±75.0 Vdc maximum from pins

2 and 3 to pin 1.

Cap and Overmold Material Polypropylene

Environmental Conditions Operating Temperatures: –18

_ to 57_ C (0_ to 135_ F) Storage Temperatures: –29

_ to 74_ C (–20_ to 165_ F) Humidity: 0 to 95%

Packaged Weight 188 g (6.63 oz.) 188 g (6.63 oz.) 188 g (6.63 oz.)305 g (10.76 oz.) 305 g (10.76 oz.)

Cable and

Connector 1.5 m (5 ft.), small-diameter,