XPA U 3502 • Setup Guide
The Extron XPA U 3502 is a 2-channel audio power amplifier for use in low-impedance speaker systems.
The XPA U 3502 is 1U high, half rack width, and rack mountable. The amplifier has mounting holes for 9” and deeper rack shelves, and
is plenum-rated with an optional flex conduit adaptor. The unit is convection cooled.
This guide provides instructions for an experienced installer to set up and operate the XPA U 3502 power amplifier. For full installation,
configuration, and operation details, see the
XPA U 3502 User Guide
available at
Installation Steps
Step 1 — Mounting
Turn off all of the equipment and disconnect it from the power source. Mount the amplifier as required; the unit can be securely
mounted in a variety of locations using optional Extron Mounting Brackets and accessories (see the
for compatible
optional mounting accessories) or using the included 3-piece bracket system. The brackets do not come attached to the amplifier.
Below are two methods of rack mounting the amplifiers.
Rack Ear Mounting (Single Unit)
The XPA U 3502 ships with a set of rack ears, allowing the amplifier to be installed in a full rack-width space. Mount the amplifier with
rack ears as follows:
1.
If the amplifier has its flat bottom rubber feet installed, remove them.
2.
Attach the rack ears to the sides with the four provided #6 machine screws (
1
).
3.
Insert the amplifier into the rack and align the holes in the rack ears with the holes on the rack.
4.
Secure the amplifier to the rack using the four provided 10-32 x 3/4” screws (
2
).
e
XPA
U 3
502
POW
ER A
MPL
IFIE
RS
1
2
OVE
R
TEM
P
LIM
ITER
/PRO
TECT
SIGN
AL
1
2
e
XPA
U 3
502
POW
ER A
MPL
IFIE
RS
1
2
OVE
R
TEMP
LIMI
TER/P
ROTE
CT
SIGN
AL
Figure 1.
XPA U 3502 Rack Ear Mounting
Bridge Plate Rack Mounting (Side-by-Side)
The XPA U 3502 ships with a bridge plate connector to connect two amplifiers together and form a full rack-width unit. Mount and
connect two amplifiers as follows:
1.
If the amplifier has its flat bottom rubber feet installed, remove them.
2.
Position two amplifiers upside down and next to each other as shown below.
3.
Use the bridge plate connector and the four provided #4 machine screws to connect the two units together (
1
).
4.
Attach the two short rack ears to the units with the four provided #6 machine screws (
2
).
5.
Insert the amplifier into the rack and align the holes in the rack ears with the holes on the rack.
6.
Secure the amplifier to the rack using the four provided
10-32 x 3/4” screws (
3
).
IMPO
RTAN
T:
IMPO
RTAN
T:
Go to
www.e
xtron.com
for the
comp
lete u
ser g
uide, installation
instructions
, and specifications
.
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