Shure WL93 User Manual

Shure Incorporated
10/11
1.
2.
3.
4.
5.
6.
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

Shure WL93 Specifications

General

Device interface	-
Connectivity technology	Wired
Product color	Black
Number of products included	1 pc(s)
Type	Interview microphone
Microphone frequency	50 - 20000 Hz
Microphone direction type	Omnidirectional
Microphone Total Harmonic Distortion (THD)	1 %
Output impedance	3000 Ω
Signal-to-Noise Ratio (SNR)	94 dB

Weight and Dimensions

Microphone weight	16 g