Shure WL93 Manual de usuario

WL93 SM93

Omnidirectional Condenser Lavalier Micro-

phone

Online user guide for WL93 and SM93 omnidirectional lavalier microphones.

Version: 2 (2019-L)

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Table of Contents

WL93 SM93Omnidirectional Condenser Lavalier Micro

phone 3

General Description 3

FEATURES 3

VARIATIONS 4

CONNECTIONS 4

MOUNTING THE MICROPHONE 4

MOUNTING THE SM93 PREAMPLIFIER 5

WINDSCREENS 5

POWERING THE SM93 PREAMPLIFIER 5

SM93 PREAMPLIFIER IMPEDANCE 5

USING OTHER PREAMPLIFIERS OR BODY-PACKS 5

Specifications 6

WL93 Specifications 6

SM93 Specifications 7

Furnished Accessories 10

Optional Accessories 11

Certifications 11

Eligible to bear CE Marking. Conforms to European EMC

Directive 89/336/EEC. Meets applicable tests and perfor

mance criteria in European Standard EN55103 (1996)

parts 1 and 2, for residential (E1) and light industrial (E2)

environments. The CE Declaration of Conformity can be

obtained from: www.shure.com/europe/compliance Autho

rized European representative: Shure Europe GmbH

Headquarters Europe, Middle East & Africa Department:

EMEA Approval JakobDieffenbacherStr. 12 75031 Ep

pingen, Germany Phone: +49-7262-92 49 0 Fax:

+49-7262-92 49 11 4 Email: [email protected] 11

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•

WL93 SM93

Omnidirectional Condenser Lavalier Microphone

General Description

Shure Model WL93 and SM93 Microphones are omnidirectional, subminiature, lavalier electret condenser microphones. Their

visually unobtrusive design and tailored frequency response make them ideal for body-worn applications in TV broadcasting,

theater, and sound reinforcement. Both the Model WL93 and the SM93 feature a small microphone element that provides full,

clear sound comparable to that of much larger microphones.

The WL93, intended for wireless use, connects directly to a Shure wireless body-pack transmitter. The SM93, intended for

wired applications, includes a preamplifier assembly for connection to three-pin professional (XLR) audio connectors. The

SM93 requires phantom power, and operates over a range of 11 to 52 Vdc, covering both DIN and IEC phantom power stan

dards.

FEATURES

Subminiature lavalier design; ideal size for theater, television broadcasting, video, film, and sound reinforcement

Small, inconspicuous mounting hardware

Full, clear sound comparable to larger microphones

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Smooth extended frequency response with presence rise specially tailored for chest-worn microphone operation

Controlled low-frequency rolloff reduces low-frequency clothing and room noise

Low distortion, wide dynamic range

Uniform omnidirectional polar pattern

Preamplifier assembly (SM93) can be pocketed, strapped to the body, or clipped to belt or waistband

Wide-range phantom powering (SM93) accepts all commonly used voltages

VARIATIONS

Version Cable Color

WL93

1.2 m (4 ft.) Black matte microphone and cable with black acces

sories

SM93

WL93-6 1.8 m (6 ft.)

WL93T 1.2 m (4 ft.) Tan matte microphone and cable with tan acces

sories

WL93-6T 1.8 m (6 ft.)

CONNECTIONS

Connect the male, four-pin miniature connector (TA4M) at the end of the 93 microphone cable to the supplied preamplifier

(SM93) or to a Shure wireless body-pack (WL93).

NOTE: Do not connect the 93 microphone directly to a mixer without using the supplied preamplifier or body-pack.

MOUNTING THE MICROPHONE

The tie clips and mounting bracket provided with the WL93 and SM93 allow the user to wear the microphone in a variety of

ways. To achieve optimum pickup, attach the microphone to the user's chest. You can also obtain high-quality sound when the

microphone is worn in the hair, sewn into clothing, or attached to an acoustic instrument such as a guitar.

Tie Clip. A spring-loaded clasp attaches easily to a necktie, lapel, blouse, or shirt. Snap the microphone into the clip's

mounting bracket and attach the clip to an article of clothing. The dual tie clip supplied with the SM93 provides simultane

ous mounting of two microphones.

Sew-On Bracket. Sew the supplied sew-on mounting bracket directly to a garment (Figure 1). Use dark or light thread as

necessary to match the color of the bracket.

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SEW-ON MOUNTING

MOUNTING THE SM93 PREAMPLIFIER

Use the spring-loaded belt clip to hold the amplifier to a belt, skirt or trouser waistband, or inside pocket.

WINDSCREENS

An acoustic foam windscreen is supplied to help reduce undesirable wind noise associated with outdoor miking.

POWERING THE SM93 PREAMPLIFIER

Power the preamplifier supplied with the SM93 using any phantom supply providing 11 to 52 Vdc, such as the Shure Model

PS1A Power Supply.

SM93 PREAMPLIFIER IMPEDANCE

Use a minimum load impedance of 800 Ω or greater for maximum signal handling and minimum distortion. Load as low as 150

Ω can be used, but a reduction in output clipping level will result. Note that the power supply itself may add loading (3300 Ω in

the Shure PS1A) to the microphone.

USING OTHER PREAMPLIFIERS OR BODY-PACKS

If connecting the 93 microphone to anything OTHER than a Shure wireless body-pack or the preamplifier supplied with the

SM93, make sure it provides a regulated +5 Vdc source (40 µA minimum) at pin 2 of the microphone connector, as shown in

"MICROPHONE WIRING DIAGRAM" Figure.

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MICROPHONE WIRING DIAGRAM

Specifications

WL93 Specifications

Type

Condenser (electret bias)

Frequency Response

50 to 20,000 Hz

Polar Pattern

Omnidirectional , uniform with frequency

Output Impedance

3000 Ω

Sensitivity

open circuit voltage: −38 dBV/Pa(13 mV)

Clipping Level

at 1 kHz

0.25 V at 120 dB

Maximum SPL

120 dB

Dynamic Range (Maximum SPL, A-weighted)

102 dB

Self Noise

18 dB typical , A-Weighted

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Signal-to-Noise Ratio

76 dB at 94 dB SPL (IEC 651)

Polarity

Positive pressure on microphone diaphragm produces positive voltage on pins 3 and 4 with respect to pin

1 (ground)*

Power Requirements

2 to 10 V; 5 V nominal (pin 2 to pins 3 and 4);Current Drain 40 µA typical

Environmental Conditions

Operating Temperature : −18 to 57°C (0 to 135°F)

Storage Temperature : −29 to 74°C (−20 to 165°F))

Cable

Black1.27 m (4.17 ft), attached , two-conductor , shielded , terminated by miniature Connector Type TA4F

(: Tan 1.27 m[4.17 ft])

Housing

Microphone: Black ABS thermoplastic case with stainless-steel-mesh grille

Weight

Microphone: 16 g (0.57 oz.)

*Produces positive voltage at pin 2 of Shure L4/EC4 wireless receiver three-pin connector.

SM93 Specifications

Type

Condenser (electret bias)

Frequency Response

80 to 20, 000 Hz , dB/octave below 100 Hz

Polar Pattern

Omnidirectional , uniform with frequency

Output Impedance

rated at 150 Ω (90 Ω actual) Recommended minimum load impedance: 800 Ω (May be used with loads

as low as 150 Ω with reduced clipping level)

Sensitivity

open circuit voltage: −43 dBV/Pa(7 .0 mV)

Clipping Level

at 1 kHz

−18 dBV (0.13 V) minimum

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Maximum SPL

120 dB

Dynamic Range (Maximum SPL, A-weighted)

98 dB

Self Noise

A-Weighted 22 dB typical

weighted per DIN 26 dB 45 405

Hum Pickup

−4 dB equivalent SPL in a 1millioersted field (60 Hz)

Signal-to-Noise Ratio

72 dB at 94 dB SPL (IEC 651)

Polarity

Positive pressure on microphone diaphragm produces positive voltage on pin 2 relative to pin 3 of pream

plifier output cable connector

Power Requirements

11 to 52 V DC phantom . Protected against reverse voltage application . Current Drain0.33 mA

Environmental Conditions

Operating Temperature : −18 to 57°C (0 to 135°F)

Storage Temperature : −29 to 74°C (−20 to 165°F)

Cable

Black1.27 m (4.17 ft), attached , two-conductor , shielded , terminated by miniature Connector Type

(TA4F)

Housing

Microphone Black ABS thermoplastic case with stainless-steel-mesh grille

Preamplifier Steel case with non-reflective black finish, black-chrome belt clip

Weight

Microphone 16 g (0.57 oz.)

Preamplifier : 118 g (4.17 oz.)

1 Pascal = 94 dB SPL

[1]

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TEST CIRCUIT

TYPICAL FREQUENCY RESPONSE

OVERALL DIMENSIONS

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SM93 PREAMPLIFIER CIRCUIT DIAGRAM

NOTES:

ALL RESISTORS 5%,1/8 WATT, UNLESS OTHERWISE SPECIFIED

ALL NON–POLAR CAPACITORS IN μF, TOLERANCE 10% AND 50 VOLTS OR MORE UNLESS OTHERWISE

SPECIFIED. POLARIZED CAPACITORS SHOWN IN μF x VOLTS. T1 D.C. VOLTAGE A.C. VOLTAGE

D.C. VOLTAGES MEASURED WITH 11 MEG INPUT VOLTMETER; A.C. VOLTAGE MEASURED WITH 1 MEG INPUT

VOLTMETER. VALUES SHOWN ARE TYPICAL AND MAY VARY ± 20%.

THE FOLLOWING SYMBOLS DENOTE: CASE GROUND CIRCUIT BOARD GROUND 1 3 2 RED BLK GRN 4 P2

POWER SOURCE IS 21 VDC THROUGH TWO 1.691 KOHM, 1% RESISTORS FROM SUPPLY TO PINS 2 AND 3 OF

CONNECTOR P1.

INPUT SIGNAL OF 0.1V AT 2 KHZ APPLIED TO CIRCUIT BELOW:

Furnished Accessories

Preamplifier (SM93) 90A4360

Black Foam Windscreens (4) for SM93 and WL93* RK355WS

Black Single Mount Tie-Clips (2) for SM93 and WL93* RK354SB

Double Mount Tie Clips (2) for SM93 and WL93 RK307DB

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