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Desono™
Ceiling Loudspeaker Accessories
Trim Ring
Installation Guide
Biamp offers four sizes of Trim Rings (TR) allowing the
Desono CM, C-IC6 and DX ceiling loudspeakers to fit
in existing holes (up to 279 mm [11"]) in the ceiling. The
illustrations shown are typical installations in drywall and
drop ceilings. Please refer to the appropriate Installation
and Operation guide for additional information on
installation methods.
Drywall Ceiling Installation
1. DX & C-IC6: If possible, insert tile rails (and C-Ring)
into the ceiling and center on the opening. Using the
tile rails spreads the weight better. If the ceiling won't
accept a pair of tile rails, or if you are installing a CM
model, a second trim ring can be used above the
drywall to support the loudspeaker. Cut the trim ring
to allow it to t into the hole.
Note: If using DX tile rails/C ring above the ceiling, cut the C-Ring
to allow it to ex enough to turn it in through the ceiling.
2. Flex, insert and turn the C-ring or trim ring (rim up)
to t it above the ceiling. If applicable, attach the
C-ring to the rails. Center the ring in the opening.
3. With the dog ears moved up and rotated in, insert
the loudspeaker up through a trim ring and into the
ceiling.
Note: SPA-TR300 / SPA-TR400 - Insert plugs in the holes in the
trim ring before installing to preserve smooth appearance.
SPA-TR
Trim R i ng
Model Fits
SPA-TR100 CM20DTS, CM30DTD
SPA-TR200 CM60DTD
SPA-TR300 DX-IC4, DX-IC4LP
SPA-TR400 C-IC6, DX-IC6
4. Support the loudspeaker and screw the dog ears
back out and down. Ensure the loudspeaker is
turned so a dog ear is not positioned over the slot
in the top trim ring/C-ring. Set tap setting and install
grille per the model's instructions.
2
1
C-IC6 rails & C-ring
3
(Cut trim ring shown)
4
Scan this QR-code and navigate to
your loudspeaker model to download
the appropriate installation guide
Rotate to place above ceiling
bia.mp/DesonoCeiling_pubs
A: 9300 S.W. Gemini Drive Beaverton, OR 97008 USA W: www.biamp.com
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Drop Ceiling Installation
1. Place tile rails the appropriate distance apart and
install the C-Ring or tile bridges. Install the ceiling tile.
2. With the dog ears rotated in, insert the loudspeaker
up through the trim ring and ceiling.
3. Rotate the dog ears out and down to t onto the
tile rails or C-Ring. Do not deform the ceiling by
tightening the dog ears too much.
4. Set tap setting and install grille per the model's
instructions.
1
C-IC6 rails & C-ring
2
3
SPECIFICATIONS
Material / Finish: Powder-coated 1 mm steel. Color is
RAL 9016.
Quantity per kit: Sold in 10-packs
Note: SPA-TR300 / SPA-TR400 have 4 holes and plugs to work with
some 3rd party existing back cans.
Model Fits Dimensions
SPA-TR100 CM20DTS, CM30DTD
SPA-TR200 CM60DTD
SPA-TR300 DX-IC4, DX-IC4LP
SPA-TR400 C-IC6, DX-IC6
OD: 323.9 [12.75"]
ID: 191 [7.5"]
OD: 323.9 [12.75"]
ID: 230 [9.06"]
OD: 323.9 [12.75"]
ID: 220 [8.66"]
OD: 323.9 [12.75"]
ID: 258 [10.16"]
4
OD
ID
CONTACT US
A: 9300 S.W. Gemini Drive Beaverton, OR 97008 USA W: www.biamp.com
585.0237 22FEB2022
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