Ceiling Speaker (Sp-01) Mounting Detail - Shure EXHIBIT 212 Manual

Case: 1:17-cv-03078 Document #: 901-3 Filed: 08/12/20 Page 589 of 609 PageID #:48605
The speaker enclosures supplied will require a 6 3/8-inch hole in the ceiling material.

Ceiling Speaker (SP-01) Mounting Detail

The speaker grills are supplied with the speakers already mounted and attached to the
enclosures with torsion springs inserted into clips inside the enclosure. To remove the
grille simply pull it away from the enclosure and compress the springs to detach.
To simplify installation CTG attaches a twelve-inch wire to each speaker terminal so that
it may be connected with wire nuts. The red wire is positive.
(Note: Blind mounts are available from CTG for dry wall ceilings or ceilings with
inadequate space above. Tile bridges are also available as an option.)
18 gauge twisted pair (plenum rated) Belden type 82740 or
Although the FS-400/800 mixers do not contain a speaker amplifier, it is vital that return
audio from an external video codec be routed through the mixers before being connected
to a speaker amplifier. This allows the return audio to be sampled to enable echo
cancellation. To facilitate this there are SPEAKER IN and SPEAKER OUT
connections on the rear panel of the mixers.
Page 10 of 26
Recommended speaker cable:
equivalent
Page 9
Each speaker has a
direct "homerun"
connection to the
speaker amplifier
9
PGR2020-00079
Shure v. ClearOne
ClearOne Ex. 2169