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Case: 1:17-cv-03078 Document #: 901-3 Filed: 08/12/20 Page 585 of 609 PageID #:48601
Installation and wiring of CTG Microphones and Speakers
Tools Required for Installation
The following tools are recommended for the installation of the ceiling components and
setup:
½ inch drill – for drilling through an acoustic tile, a perfect hole will be made for
the CM-01 ceiling microphone
Hand saw – the ceiling speaker enclosure requires a 6 3/8-inch hole
Wall snake – in most rooms, cables will need to run down through a wall and
terminate at the FS-400, FS-800
Wire nuts – for ceiling speakers
Wire Stripper
Small blade screw driver – often referred to in the industry as a "tweaker"
Ladder
CTG Microphones-General
CTG microphones are true 360° Omni directional. They are electret condenser boundary
microphones. The microphone itself should be flush mounted in a boundary of at least
12" in diameter. The element in the table top microphone (TM-01) is mounted in a base
designed to acoustically couple to the table surface and provide an adequate boundary.
CTG microphones connect to microphone Inputs.*
* Each microphone must connect directly to the FS-400/800 with a "homerun"
connection.
Recommended Microphone Cable
22 gauge single pair shielded (plenum rated) Belden® type 82761 or equivalent
CAUTION:
Phantom voltage supplied to CTG microphones can be 2 to 50 Volts DC. The FS-400/800
microphone inputs provide 24 volts DC
To avoid crosstalk, it is preferred microphone and speaker cable NOT be bundled or run
together in the same conduit over long distances
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PGR2020-00079
Shure v. ClearOne
ClearOne Ex. 2169
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