Alpine 3522S - Input and Control Features; Power, Connectivity, and Construction; Switches and Terminals; Connections

DC-TO-DC SWITCHING MODE POWER SUPPLY
Provides
excellent
power
output
throughout
the
audio
bandwidth
20
Hz
to
20
kHz.
Its
soft
clipping
characteristics
ensure
superb
transient
response
and
musicality.
EXTRA HEAVY DUTY CONSTRUCTION
SPEAKER LEVEL INPUT CAPABILITY
FULLY
DISCRETE,
COMPLEMENTARY
OUTPUT
CIRCUITRY
GOLD-PLATED,
SCREW-DOWN
POWER
AND
SPEAKER
TERMINALS
INDEPENDENT,
CONTINUOUSLY
ADJUSTABLE
GAIN
CONTROL
HIGH
PERFORMANCE,
LOW
NOISE,
AUDIOPHILE
QUALITY
ACTIVE
AND
PASSIVE
COMPONENTS
VOLTAGE REGULATED/FILTERED INPUT STAGES
GOLD-PLATED RCA INPUT CONNECTORS
THIRD-ORDER, (18 dB PER OCTAVE) CAPACITIVE/INDUCTIVE
POWER SUPPLY INPUT AND OUTPUT FILTERING
STATUS MONITOR
This indicator illuminates in green when the amplifier is on and opera-
tional. This light will turn orange if any internal protection circuitry is
activated.
in case of an installation problem, the STATUS MONITOR can aid jn
troubleshooting the system.
SWITCHES
AND
TERMINALS
BPBSOQOQLVOOHOHO
Status Monitor
Input Gain Adjustment Control
Active Dividing Network Mode Selector Switch
Input Mode Selector Switch
RCA Input Connectors
Speaker Input Connector
Speaker Output Terminals
Fuse (15A)
Battery Lead Terminal
Remote Turn-On Lead Terminal
Ground Lead Terminal
(ofo)
Neg
ates
Before
making
connections,
be
sure
to
turn
the
power
off
to
all
audio
components.
Insulation
tubes
for
the
speaker
terminals
and
the
power
supply
terminals
are
supplied
with
the
3522S.
Make
sure
the
speaker
leads
and
power
supply
leads
are
routed
through
these
tubes
separately
before
making
final
connections.
CAUTION:
Always
keep
the
RCA
inputs
of
the
3522S
connected
to
a
signal
source
while
the
amplifier
is
in
operation.
@ Speaker Output Terminals
The
3522S
has
a
set
of
speaker
outputs.
Be
sure
to
observe
correct
speaker
output
polarity
and
phasing.
In
the
stereo
mode,
connect
the
left
and
right
speaker
outputs
to
their
respective
speakers.
Connect
the
positive
output
to
the
positive
speaker
terminal
and
the
negative
to
negative.
In
the
bridged
mode,
the
left
positive
output
is
connected
to
the
positive
terminal
of
the
speaker
and
the
right-negative
output
is
con-
nected
to
the
negative
terminal
of
the
speaker.
Do
not
use
the
negative
(-)
speaker
output
as
a
common
output
for
left
and
right
speakers.
Do
not
connect
the
speaker
outputs
to
the
vehicle's
chassis.
CAUTION:
Do
not
connect
speaker
leads
together
or
to
chassis
ground.
@ Speaker Input Leads
These
leads
are
input
leads
for
use
with
head
units
not
equipped
with
preamp
outputs.
When
not
using
the
RCA
Line
Input
connectors,
you
should
connect
these
wires
to
the
speaker
output
leads
of
your
head
unit.
The
3522S
accepts
input
from
high
power
or
standard
power
head
units.
® RCA input Connectors
Connect
these
connectors
to
the
line
out
leads
on
your
head
unit
using
RCA
extension
cables
(sold
separately).
Be
sure
to
observe
correct
channel
connections;
Left
to
Left
and
Right
to
Right,
Front
to-Front
and
Rear to Rear.
@ Battery Lead (Yellow)
Connect
this
lead
directly
to
the
positive
(+)
terminal
of
the
vehicle's
battery.
Do
not
connect
this
lead
to
wiring
in
the
vehicle's
electrical
system. Be sure to add a 25A in-line fuse amp as close as possible to the
battery's positive (+) terminal. This fuse will protect your vehicle's electri-
cal
system
in
case
of
a
short
circuit.
If
you
need
to
extend
this
lead,
the
wire gauge should be 10 AWG or larger.