Ceiling brackets – Boston Acoustics PRI665CV User Manual
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Ceiling Brackets
Special	brackets	are	supplied	with	the	CV	versions	of	the	PRi	speakers	that	make	it	easy	to	mount	them	in	a	
suspended	ceiling.	The	bracket	rests	on	top	of	the	ceiling	grid	so	the	weight	of	the	speaker	is	supported	by	the	
grid,	not	the	ceiling	panel.	The	bracket	has	a	“foldable”	design,	shown	on	the	left	below,	that	makes	it	easy	to	
maneuver	the	bracket	through	the	mounting	hole.	
Once	the	mounting	hole	is	cut	in	the	ceiling	panel	pass	the	folded	bracket	through	the	hole	and	pivot	it	into	its	
normal	shape	as	shown	below	on	the	right.	Then	extend	the	rails	so	they	rest	on	the	ceiling	grid.	Set	the	bracket	
so	the	flanges	that	extend	down	from	the	arcs	surround	the	installation	hole.	Then	connect	the	speaker	and	
clamp	it	in	place	as	in	a	regular	installation.
NOTE:	Boston Acoustics strongly recommends the use of safety cables in all installations.	This	is	particularly	
important	when	the	PRi	speakers	are	installed	in	suspended	ceilings.	Attach	one	end	of	the	security	cable	to	the	
tab	on	the	back	of	the	speaker	and	fasten	the	other	end	to	a	strong	structural	element	of	the	building.	
The	ceiling	bracket	can	also	be	used	in	dry	wall	ceilings.	Cut	the	standard	required	hole	for	the	speaker	in	the	
drywall.	Insert	the	collapsed	bracket	through	the	hole	and	expand	it	into	normal	shape.	The	orientation	of	the	
extendable	rails	is	not	important.	They	can	remain	fully	retracted.	If	the	installation	location	is	very	tight	the	ex-
tendable	rails	can	be	removed	so	the	center	section	will	serve	as	a	plaster	ring.		
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In	this	illustration	the	ceiling	grid	is	
shown	without	the	panels.
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