A.C. VOLTAGE
D.C. VOLTAGE

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.

+10

dB 0

–10

20

 

2.2

F

 

 

V out

1

3

 

4

20 K

 

2

 

 

 

+5V

 

TEST CIRCUIT

FIGURE 3

SM93

50

100

200

500

1,000

2,000

5,000

10,000

20,000

Hz

TYPICAL FREQUENCY RESPONSE

FIGURE 4

98.8 mm

(3–29/32 IN.)

27mm

(1–1/16 IN.)

 

 

 

 

 

 

 

 

18.8 mm

 

 

 

 

 

0.23 IN.

 

(3/4 IN.)

(5.84 mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.37IN

(9.40 mm)

0.24 IN.

(6.10 mm)

0.15IN.

(3.81 mm)

SM93 PREAMPLIFIER

SM93/WL93 MICROPHONE

OVERALL DIMENSIONS

FIGURE 5

 

 

C

 

 

 

 

 

D1

 

 

 

 

 

 

 

 

 

RED

 

 

C3

 

 

4.1V

86B429

 

 

 

 

 

 

P2

 

 

33X6.3

R4

 

R2

 

 

 

 

360K

 

33K

 

1

3

 

.1V

 

 

 

Q2

Q1

 

C7

 

 

86A350

 

 

 

 

 

86A348

 

4

 

1.9V

 

.6V

3.5V

 

B

.047,5%

.1V

 

2

 

 

 

 

 

 

 

R1

 

BLK

 

 

 

 

 

 

 

 

 

 

 

.05V

 

 

 

 

C6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D2

 

 

 

 

 

.047,5%

R5

C5

 

 

 

 

 

 

 

 

 

 

 

 

62K

150 pF

86A415

 

 

 

 

 

 

 

 

 

 

 

 

C8

 

 

R6

 

 

 

 

 

150 pF

 

 

 

 

 

 

 

 

 

24K

 

 

GRN

A

 

 

 

 

 

 

NOTES:

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

WHT BLK GRN YEL

2. ALL NON–POLAR CAPACITORS IN µF, TOLERANCE 10% AND 50 VOLTS OR MORE UNLESS OTHERWISE SPECIFIED. POLARIZED CAPACITORS SHOWN IN µF x VOLTS.

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:

CIRCUIT BOARD GROUND

CASE GROUND

5.POWER SOURCE IS 21 VDC THROUGH TWO 1.691 KOHM, 1% RESISTORS FROM SUPPLY TO PINS 2 AND 3 OF CONNECTOR P1.

 

 

P1

 

2

1

 

 

3

 

L1

 

 

2

 

C1

 

 

150 pF

1

 

 

 

C2

L2

 

 

 

150 pF

3

 

BRN

 

 

.05V

 

 

T1

6. INPUT SIGNAL OF 0.1V AT 2 KHZ

 

APPLIED TO CIRCUIT BELOW:

 

 

18K

 

 

C

 

10x10

 

 

B

 

.1V

1.2K

 

 

 

 

A

SM93 PREAMPLIFIER CIRCUIT DIAGRAM

FIGURE 6

3

Page 3
Image 3
Shure WL93 manual Furnished Accessories, Optional Accessories, Certification

WL93 specifications

The Shure WL93 is a high-quality omnidirectional lavalier microphone designed for applications requiring discreet microphone placement without compromising audio fidelity. This microphone is particularly popular in broadcasting, theatre, and presentations, thanks to its robust design and excellent sound quality.

One of the standout features of the WL93 is its small, unobtrusive size. Measuring only 0.2 inches in diameter, it can be easily clipped to clothing or concealed in various environments, which makes it an ideal choice for situations where visibility needs to be minimized. Despite its compact form, the WL93 delivers exceptional clarity and intelligibility, ensuring that the captured audio is crisp and natural.

The microphone design includes a frequency response that spans from 20 Hz to 20 kHz, making it capable of reproducing a full range of audio frequencies. The omnidirectional pickup pattern captures sound from all directions, which ensures consistent audio quality regardless of the speaker's orientation. This feature is particularly beneficial in dynamic environments where the subject may move or turn away from the microphone.

The WL93 also employs high-quality materials and advanced technologies to reduce handling noise and improve durability. Its construction is designed to withstand the rigors of frequent use, making it a reliable choice for performers and presenters. Additionally, the microphone is equipped with a windscreen, which minimizes wind noise when used outdoors or in drafty indoor spaces, enhancing overall performance.

In terms of compatibility, the WL93 can be easily integrated with a variety of wireless systems, making it versatile for different audio setups. It features a standard TA4F connector that fits many Shure bodypack transmitters, allowing for seamless connectivity and operation.

Overall, the Shure WL93 is an outstanding lavalier microphone that combines compact design, excellent sound quality, and robust durability. Whether used in theatrical productions, film shoots, or corporate settings, the WL93 stands out as a reliable choice for those needing a discreet yet powerful audio solution. With its numerous features and high-performance characteristics, the WL93 continues to be a preferred microphone among professionals in various fields.