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The ProMount 90 is intended for use with Definitive Technology ProMonitor,
ProCenter, Mythos Gem and Gem XL loudspeakers or similar loudspeakers with

1

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4

-20 thread receptacles. Each bracket can support up to 10 lbs (4.5 kg). Do not

use a single bracket with any speaker weighing more than 10 lbs (4.5 kg). Use two
(2) ProMount 90 brackets with the ProCenter 1000 and ProCenter 2000.   

Step 1

Loosen clamping screw with supplied Allen (hex)
wrench until ball pivot slides out. Be careful not
to fully remove the clamping hex screw.

Step 2

Fasten the ball pivot to the 

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/

4

-20 threaded receptacle 

on the back of the loudspeaker. Tighten the ball pivot
nut using a 

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/

16

" (11 mm) wrench.   

Step 3

1. Using the wall plate as a template, mark the two 

screw-hole positions on the wall where you wish 
to mount the bracket. 

2. If you are certain that there is a stud behind 

the wall surface, drive #10 wood screws 
(not included) through the wall and into 
the stud (a). 

3. If there is no stud behind the wall at the 

chosen location, install wall anchors (not 
supplied) into the wall by following the 
wall-anchor manufacturer’s instructions (b). 

PROMOUNT 90

USER’S GUIDE

Installation

ball pivot

clamping screw

ball pivot 

nut

a

b

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