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Installation Manual
SHURE AUTOMATIC MICROPHONE SYSTEM
222 HARTREY AVENUE
SMUi;UEB
EVANSTON. lLLlNols 60202-3896 U.6.A
THE SOUND
OF
THE PROCESS-0
\VORlAWOE
MICROPHONES AND ELECTRONIC COMPONENTS
OPERATING INSTRUCTIONS
DATA SHEET
AMS4000 AND AMS8000
The Shure Automatic Microphone System consists of the
AMS8000 [or AMS4000J Mixer used with Shure AMS
Microphones. This system's excellent performance, ver-
satility, and ease of use make it an ideal choice for multiple-
microphone public-address and recording systems such as
used in conference rooms, legislatures, churches, court-
rooms, broadcast studios, teleconferences, and panel
discussions.
The Shure Automatic Microphone System solves many
problems associated with multiple-microphone installations,
such as boomy or muddy sound, insufficient sound level
because of feedback [howling), and operator errors. It does
this by turning on only those microphones in use, thus keep-
ing the number of "on" microphones to a minimum. When a
person speaks in front of his microphone [within 60° of each
side of the front), the microphone turns on. Sounds origina-
ting at the sides or rear of the microphone will not turn it on.
In addition, the system automatically reduces its volume as
the number of "on"
microphones increases, thereby
preventing feedback.
The Shure AMS also solves problems encountered with
other automatic mixers such as complicated setup adjust-
ments, unreliable turn-an, and choppy sound. The micro-
phones turn on smoothly and dependably, free of pops or
clicks, and virtually independent of talker loudness or
distance.
You'll find the Shure Automatic Microphone System simple
to install and operate, requiring little more adjustment than
an ordinary PA system. However, the system can also per-
form a variety of sophisticated functions. Model AMS8000
has eight microphone inputs; Model AMS4000 has four
microphone inputs.
b
IMPORTANT
Shure AMS4000 and AMS8000 Mixers are designed for use only with Shure AMS Condenser Microphones. Con-
ventional condenser or other microphones will not operate properly with the AMS4000 and AMS8000.
Copyright 1991, Shure Brothers
Inc
2 7 A 8 2 7 2 [KJ)
Printed in U.S.A.
U.S. Patent 4,489,442; other patents pending
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Related Manuals for Shure AMS4000
Summary of Contents for Shure AMS4000
- Page 1 Sounds origina- microphone inputs. IMPORTANT Shure AMS4000 and AMS8000 Mixers are designed for use only with Shure AMS Condenser Microphones. Con- ventional condenser or other microphones will not operate properly with the AMS4000 and AMS8000. Printed in U.S.A.
- Page 2 Make sure the front panel power switch is off. The unit is factory-wired for operation at 1 2 0 Vac, 50160 Hz. 2. Connect the AMS microphones. 2. Use only Shure AMS Microphones. When extension cables are needed, use conventional 2conductor shielded microphone cables.
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Page 3: Basic Setup
BASIC SETUP: THE MICROPHONES AMS26 MICROPHONE LECTERN MICROPHONE WHAT TO DO HOW TO DO IT 6. In general, place the talker within the front acceptance 6. Sound sources outside the shaded acceptance angle angle of the microphone. will not turn on the microphone. See diagrams 6A through 6D. -
Page 4: Operation
OPERATION: ON THE FRONT PANEL WHAT TO W HOW TO W IT 9. Turn the Master volume control down. 9. Turn it fully counterclockwise. 1 0. Turn on the power. 10. Push in the AMS Power switch. Adjust volume controls. 11. -
Page 5: Troubleshooting
OPERATION: ADDITIONAL OPTIONS OPTION HOW TO DO IT Adding pre-recorded material to the AMS output.. Connect the aux [line] output of the player t~ the Auxiliary input [front or rear panel] of the AMS. Control recorder volume with the Auxiliary control. Recording the AMS output. - Page 6 In noisy or highly reverberant rooms, the acceptance angle will narrow slightly. For reliable turn-on in these circumstances, talkers should be closer to their microphones. The Shure AMS will sound much clearer than a conventional multi-microphone system. SOUND OF THE PROFESSIONALSm..