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DYNAMIC HAND-HELD COMMUNICATIONS MICROPHONE
GENERAL
The Shure Model 596LB is a compact, hand-held dynam-
ic, low-impedance communications microphone with a 200
to 5,000 Hz frequency response. Designed especially for
voice communications use, it is an economical unit for ap-
plications in budget-restricted paging and other installa-
tions. The microphone is compatible with many popular pag-
ing amplifier inputs. Its tailored frequency response provides
clear, intelligible operation. The ARMO-DUR
case is small,
light and sturdy, and fits comfortably in the palm of the hand.
It has a long-life push-to-talk switch, and a durable coiled
cable for years of reliable performance. The 596LB has a
low-impedance output.
The 596LB is furnished with a sturdy mounting bracket for
permanent installation.
Features
• Omnidirectional pickup pattern for optimum off-axis op-
eration
• Frequency response from 200 to 5,000 Hz, tailored for
voice communications
• Economical—the perfect choice for modest paging instal-
lations
• Rugged and dependable under most operating conditions
• Silver-plated switch contacts for long-term low contact re-
sistance and reliable performance
• Long-life vinyl-jacketed coil-cord for years of trouble-free
operation
• Output impedance matches most paging amplifier inputs
• Virtually indestructible ARMO-DUR case
• Sturdy, convenient mounting button for attaching to equip-
ment or nearby surface using supplied mounting bracket
MOUNTING
The 596LB is provided with a rear-case hang-up button for
use with a mounting bracket on or near associated equip-
ment. The bracket has mounting holes with clearance for
No. 6 or No. 8 screws (not supplied).
CONNECTIONS
The internal switch connections of the 596LB are shown in
Figure 1. The 596LB has a four-conductor, coiled-cord cable
(two conductors shielded) and a double-pole, double-throw,
push-button switch to control the microphone circuit and an
external relay or switching circuit. The RED and BLACK un-
shielded leads control the relay or switching circuit.
Refer to the following tables and to the wiring diagram below.
INPUT TYPE WIRE
COLOR
FUNCTION XLR
CONNECTOR
1/4 IN.
PHONE
PLUG
WHITE AUDIO PIN 2 TIP
UNBALANCED GREEN AUDIO GROUND PIN 3 SLEEVE
SHIELD CHASSIS GROUND PIN 1 SLEEVE
WHITE AUDIO + PIN 2 TIP
BALANCED GREEN AUDIO – PIN 3 RING
SHIELD CHASSIS GROUND PIN 1 SLEEVE
WIRING DIAGRAM
FIGURE 1
RED
BLACK
WHITE
GREEN
N.C.
MK1
C4
.001
S1
W2
W3
W1
W6
SWITCH
CLOSURE
AUDIO –
AUDIO +
SHIELD
SWITCH
CLOSURE
The 596LB can be wired for balanced-line operation and is
recommended for use where long cable lengths are re-
quired, or conditions where severe hum pickup may exist.
The 596LB can be fed directly into a standard low-imped-
ance amplifier input, or a Shure A95 Series Line Matching
Transformer (at the equipment end of the cable) can be used
for coupling the 596LB to the input of a high-impedance am-
plifier. A two-conductor shielded cable can be used for ex-
tending only the microphone circuit. If both the microphone
and the remote circuit are to be extended, a four-conductor
with two shielded conductors should be used.
The microphone circuit of the 596LB is normally open
when the microphone switch button is not depressed.
Model 596LB User Guide
27B2756 (BK)
2002, Shure Incorporated
Printed in U.S.A.