Shure WL93 Handleiding

Shure Microfoon WL93

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Models WL93 and SM93 User Guide

27D3106 (Rev. 6)

Printed in U.S.A.

GENERAL

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 standards.

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

• Smooth extended frequency response with presence rise special-

ly 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

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 simultaneous 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.

SEW-ON MOUNTING

FIGURE 1

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.

Version Cable Color

WL93 1.2 m (4 ft.) Black matte microphone and ca-

ble with black accessories

SM93

WL93-6 1.8 m (6 ft.)

WL93T 1.2 m (4 ft.) Tan matte microphone and cable

with tan accessories

WL93-6T 1.8 m (6 ft.)

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  or greater for maximum

signal handling and minimum distortion. Load as low as 150  can

be used, but a reduction in output clipping level will result. Note that

the power supply itself may add loading (3300  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 A minimum)

at pin 2 of the microphone connector, as shown in Figure 2.

MICROPHONE WIRING DIAGRAM

FIGURE 2

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

CONDENSER

CARTRIDGE

IMPEDANCE

CONVERTER

SHIELD

BLK

RED

D+

SPECIFICATIONS WL93 MICROPHONE (with standard test circuit

shown in Figure 3)

SM93 MICROPHONE (with preamplifier)

Type Condenser (electret bias) Condenser (electret bias)

Frequency Response (Figure 4) 50 to 20,000 Hz 80 to 20,000 Hz, 12 dB/octave rolloff below 100 Hz

Polar Pattern Omnidirectional, uniform with frequency Omnidirectional, uniform with frequency

Output Impedance 3000 Rated at 150  (90  actual)

Recommended minimum load impedance: 800  (May be

used with loads as low as 150  with reduced clipping level)

Output Level

(1 Pascal = 94 dB SPL)

Open Circuit Voltage: –38 dBV/Pa

(13 mV)

Open Circuit Voltage: –43 dBV/Pa (7.0 mV)

Output Clipping Level

(at 1,000 Hz)

0.25 V at 120 dB –18 dBV (0.13 V) minimum

Total Harmonic Distortion Less than 1% at 120 dB Less than 1% at 120 dB

Maximum SPL 120 dB 120 dB

Dynamic Range (maximum SPL to

A-weighted noise level)

102 dB 98 dB

Output Noise (equivalent SPL) 18 dB typical, A-weighted 22 dB typical, A-weighted

26 dB, weighted per DIN 45 405

Hum Pickup (electromagnetic) N/A –4 dB equivalent SPL in a 1 mOe field (60 Hz)

Signal-to-Noise Ratio 76 dB at 94 dB SPL (IEC 651) 72 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)*

Positive pressure on microphone diaphragm produces

positive voltage on pin 2 relative to pin 3 of preamplifier

output cable connector

Recommended Operating Voltage 2 to 10 V; 5 V nominal (pin 2 to pins 3 and 4) 11 to 52 Vdc phantom. Protected against reverse voltage

application

Current Drain 40 A typical 0.33 mA

Environmental Conditions Operating Temperatures: –18

o to 57o

(0o to 135o

Storage Temperatures: –29

o to 74o

(–20o to 165o

Operating Temperatures: –18

o to 57o C (0o to 135o F)

Storage Temperatures:–29o to 74o C (-20o to 165

o F)

Cable Black 1.27 m (4.17 ft), attached, two-conductor,

shielded, terminated by miniature connector type

TA4F (WL93T: Tan 1.27 m [4.17 ft])

Black 1.27 m (4.17 ft), attached, two-conductor, shielded,

terminated by miniature connector type (TA4F)

Case Microphone: Black ABS thermoplastic case with

stainless-steel-mesh grille

Microphone: Black ABS thermoplastic case with

stainless-steel-mesh grille

Preamplifier: Steel case with non-reflective black finish,

black-chrome belt clip

Net Weight Microphone: 16 g (0.57 oz)

Microphone:16 g (0.57 oz)

Preamplifier:118 g (4.17 oz)

4.1V 86B429

.6V .1V

.05V

3.5V

86A415

86A348

33K

86A350

150 pF

24K

62K

150 pF

1.9V

.1V

360K

.047,5%

33X6.3

.047,5%

.05V

BRN

150 pF

YEL

GRNBLK

WHT

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

NOTES:

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

UNLESS OTHERWISE SPECIFIED. POLARIZED CAPACITORS SHOWN IN µF x VOLTS.

D.C. VOLTAGE

A.C. VOLTAGE

3. D.C. VOLTAGES MEASURED WITH 11 MEG INPUT VOLTMETER; A.C. VOLTAGE MEA-

SURED WITH 1 MEG INPUT VOLTMETER. VALUES SHOWN ARE TYPICAL AND MAY

VARY ± 20%.

4. THE FOLLOWING SYMBOLS DENOTE:

CASE GROUND

CIRCUIT BOARD GROUND

RED

BLK

GRN

5. POWER SOURCE IS 21 VDC THROUGH TWO 1.691 KOHM, 1% RESISTORS FROM

SUPPLY TO PINS 2 AND 3 OF CONNECTOR P1.

6. INPUT SIGNAL OF 0.1V AT 2 KHZ

APPLIED TO CIRCUIT BELOW:

.1V

18K

1.2K

10x10

FURNISHED ACCESSORIES

Preamplifier (SM93) ..................................................... 90A4360

Black Windscreen (WL93, SM93) .............................RK355WS*

Black Tie Clip Assembly (WL93, SM93) ....................RK354SB*

Dual Black Tie Clip Assembly (SM93) ........................RK307DB

Tan Windscreen (WL93T) ..........................................RK304T**

Tan Tie Clip Assembly (WL93T)..................................RK304T**

Black Sew-on Mounting Bracket (WL93, SM93) .......... 65B1733

Tan Sew-on Mounting Bracket (WL93T) ....................65B1733A

Zippered Carrying Bag ..................................................... 26A13

*Replacements furnished in multiples of 4.

** RK304 includes 2 tie clips and 2 windscreens.

OPTIONAL ACCESSORIES

In-Line On/Off Switch ...................................................... WA360

CERTIFICATION

Eligible to bear CE Marking. Conforms to European EMC Directive

89/336/EEC. Meets applicable tests and performance criteria in

European Standard EN 55103 (1996) parts 1 and 2, for residential

(E1) and light industrial (E2) environments.

TEST CIRCUIT

FIGURE 3

TYPICAL FREQUENCY RESPONSE

FIGURE 4

OVERALL DIMENSIONS

FIGURE 5

+5V

20 K

V out

2.2 F

500 1,000 2,000 5,000 10,000 20,00050 100 20020

+10

–10

SM93

0.23 IN.

(5.84 mm) 0.24 IN.

(6.10 mm)

0.37 IN

(9.40 mm)

0.15 IN.

(3.81 mm)

(1–1/16 IN.)

27 mm

(3–29/32 IN.)

18.8 mm

(3/4 IN.)

SM93 PREAMPLIFIER SM93/WL93 MICROPHONE

98.8 mm

SM93 PREAMPLIFIER CIRCUIT DIAGRAM

FIGURE 6

Product specificaties

Merk:	Shure
Categorie:	Microfoon
Model:	WL93
Kleur van het product:	Zwart
Soort:	Microfoon voor interviews
Connectiviteitstechnologie:	Bedraad
Signaal/ruis-verhouding:	94 dB
Microphone direction type:	Omnidirectioneel
Frequentie microfoon:	50 - 20000 Hz
Aantal producten inbegrepen:	1 stuk(s)
Gewicht microfoon:	16 g
Output impedance:	3000 Ohm
Microphone Total Harmonic Distortion (THD):	1 procent