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  9. Alpine 3522S User manual

Alpine 3522S User manual

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JMNLPINE.
cic
MANUAL
Bridgeable
Power
Amplifier
SOEARRES|
2
_
E
ea
ve
peat
3522S
|
Contents
Specifications
2/5
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17
Parts
Layout
on
P.C.
Boards
and
Wiring
Diagram
.....
6...
nett
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19
to
21
Schematic
Diagrams
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Semi-Conductor
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Additional
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4
|
3522S
Specifications
POWErSOULCE
diciie
sidcers,
Sodas
Raeeho
te
NEG
Sis
SP
ORNS
SoS
Aree
OE
RISES
OE
ES
Dao
R a
atiate
Sana
gia
eA
Eggs
FS.
ase
14.4V
DC
POWEr
OQULPULS
Sedce
cagteua
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ce
ook
ne
sbae
niin
ee
etataa
eee
ee
gees
4
ohm
2-Channel
(at
0.08%
T.H.D.)
:
25W/ch
(at
10%
T.H.D.):
35W/ch
2
ohm
2-Channel
(at
0.8%
T.H.D.)
:
30W/ch
(at
10%
T.H.D.)
:
40W/ch
4
ohm
BTL
mode
(at
0.8%
T.H.D.)
:
65W/ch
Input
Sensitivity
(at
30W/ch
Output)
...
20.0...
teen
nents
Speaker
Input
:
2V+2dB
RCA
Input
:
0.5V+2dB
Input
IMpEdaNnce:
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10£2k
ohm
Frequency
Range
(at
1KHZ41dB)
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20Hz~40kHz
Channel
Separation
(Input
shorted,
at
D2)
oc
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deeds
hen
ea
oon
te
a
be
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55dB
S/N
Ratio
(Output
30W/ch,
Input
shorted)
00.0.6.
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90dB
Residual
Noise
(Input
shorted,
4
ohm
2-channel)
.......
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e
nee
1.2mV
Current:
Drain:
(at:
10%
TeHi
Dd!
s.2
52h
cata
enks
CAS
bin
ele
Heese
Sete
te
eae
RiwE
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4
ohm
2-Channel:
15A
2
ohm
2-Channel
:
20A
FUSE.
028
edict
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Satin
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TRL
Rah
G
oF
15A
(Battery)
SEMICONAUCOMS:
cs:nc
er
ensetekstane
de
th
men
a
seed
cae
aw
eo
8IC’s,
25
Transistors,
2
FET’s,
13
Diodes,
4
Zener
Diodes
Dimensions:
(WICH
XD)
iccic.
8
cecscttee
Gbeacdes
Ha
Sats
ta
Roeede
de
Rho
tae
ch
ena
bee
Pea
a
Rigiee
tees
dau
Sauk
ete
22030
130mm
Weight):
s.ever
as
eaiie
oB
hea
ncigh
Abs
seen
ute
Pe
gine
dada
ting
ch
Rae
Cate
oadige
Rae
ete
Cae
E
dasa
gS
1.22kg
Note
:
Due
to
continuing
product
improvement,
specifications
and
design
are
subject
to
change
without
notice.
FEATURES
|
2/1
CHANNEL
OPERATION
The
3522S
can
be
used
as:
a.
2-channel
amplifier,
producing
30W
per
channel
into
4
Q,
or
40W
per
channel
into
2
Q.
b.
1-channel
amplifier,
producing
80
W
per
channel
into
4
Q.
MULTIMODE
CAPABILITY
Multimode
capability
allows
the
3522S
to
operate
in
its
2-channel
stereo,
and
bridged
mono
modes
simultaneously.
This-way,
the
amplifier
can
power
a
pair
of
satellite
speakers,
along
with
a
bridged
mono
subwoofer,
and/or
a
true
center
channel
speaker.
3,
2,
OR
1
CHANNEL
OPERATION
Thanks
to
its
Multimode
capability,
the
3522S
can
simultaneously
drive
a
pair
of
satellite
speakers
in
stereo,
along
with
a
bridged
mono
subwoofer
(and/or
center
channel
speaker)
for
a
total
of
3
channels.
In
addition
to
Multimode,
the
3522S
can
be
driven
in
a
conventional
2-channel
mode,
or
its
two
channels
can
be
bridged
into
a
single
channel
of
considerably
higher
power
output.
ACTIVE
DIVIDING
NETWORK
A
built-in,
switchable
electronic
crossover
network
at
80
Hz,
18
dB
per
octave,
can
be
used
to
set
up
the
amplifier
for
low-pass
(subwoofer)
or
high-pass
(tweeter/midrange
satellite)
applications.
This
network
can
also
be
switched
off
to
allow
full-range
signal
amplification.
DUO-B
FEEDBACK
CIRCUITRY
This
stabilizes
the
amplifier,
removes
DC
offset,
and
offers
excellent
total
harmonic
distortion
(T.H.D.)
characteristics.
It
also
provides
low
T.1.M.,
excellent
slew
factor,
stability,
and
musicality.
NO
CURRENT
LIMITING
Absence
of
current
limiters
in
the
audio
section
ensures
low
T.1.M.,
excellent
transient
response,
and
superb
sonic
quality.
S.T.A.R.
CIRCUITRY
The
Alpine-developed
Signal
Transit
for
Accurate
Response
circuit
topology
improves
sonic
properties
by
reducing
interaction
between
different
sections
of
the
circuitry.
INPUT
MODE
SELECTOR
This
switch
allows
the
user
to
specify
the
input
signal
entering
the
ampli-
fier.
Among
other
benefits,
it
eliminates
the
need
for
RCA-type
Y-
adaptors
when
bridging
the
amplifier.
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.
.
SWITCHES
AND
TERMINALS
OO®d
®
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a.
©
O¢
0
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Tel
et
teal]
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MUNPINE
as2zs,
FOE
ABLE
POWER
ane
CR
SO
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i
egestas
al
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ea
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Maniyaaiiaainl
O
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
CONNECTIONS
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
soured
@
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
will
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.
CONNECTIONS
©
RCA
Input
Connectors
Let
©
(White)
Speaker
©
(White/Black)
Right
©
(Gray)
Speaker
@
Speaker
Input
Leads
©
(Gray/Black)
@
Battery
Lead
(Yellow)
©
Remote
Turn-On
Lead
(Blue/White)
©
Ground
Lead
(Black)
©
Remote
Turn-On
Lead
(Blue/White)
Connect
this
lead
to
the
remote
turn-on
or
power
antenna
(positive
trigger,
(+)
12V
only)
lead
of
your
head
unit.
@
Ground
Lead
(Black)
Connect
this
lead
to
a
clean,
bare
metal
spot
on
the
vehicle's
chassis.
Verify
this
point
to
be
a
true
ground
by
checking
for
continuity
between
that
point
and
the
negative
(—)
terminal
of
the
vehicle's
battery.
Ground
all
your
audio
components
to
the
same
point
on
the
chassis
to
prevent
ground
loops.
@
Insulation
Tube
Use
these
tubes
to
cover
the
power
and
speaker
terminals
after
connec-
tions
have
been
made.
This
will
prevent
inadvertent
shorting
of
the
terminals.
@
insulation
Tube
SEH
|
3522S
ST
TYRES
AE
OS
RRCAESSP
i
i
i
i
i
i
i
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IR
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|
“2.
CONNECTIONS
Please
check
your
head
unit
for
the
conditions
listed
below:
a.
The
head
unit
does
not
have
a
remote
turn-on
or
power
antenna
lead.
b.
The
head
unit's
power
antenna
lead
is
activated
only
when
the
radio
is
on
(turns
off
in
the
tape
or
CD
Mode).
.
The
head
unit's
power
antenna
lead
is
logic
level
output
(4)
5V,
negative
trigger
(grounding
type),
or
cannot
sustain
(+)
12V
when
connected
to
other
equipment
in
addition
to
the
vehicle’s
power
antenna.
If
any
of
the
above
conditions
exist,
the
remote
turn-on
lead
of
your
3522S
must
be
connected
to
a
switched
power
source
(igni-
tion)
in
the
vehicle.
Be
sure
to
use
a
3A
fuse
as
close
as
possible
to
this
ignition
tap.
Using
this
connection
method,
the
3522S
will
turn
on
and
stay
on
as
long
as
the
ignition
switch
is
on.
*
If
this
is
objectionable,
an
SPST
(Single
Pole,
Single
Throw)
switch,
in
addition
to.the
3A
fuse
mentioned
above,
may
be
installed
in-line
on
the
35225
turn-on
lead.
This
switch
will
then
be
used
to
turn
on
(and
off)
the
3522S.
Therefore,
the
switch
should
be
mounted
so
that
it
is
accessible
by
the
driver.
Make
sure
the
switch
is
turned
off
when
the
vehicle
is
not
running.
Otherwise,
if
the
amplifier
is
left
on
for
an
extended
period
of
time,
the
car's
battery
may
be
drained.
eed
(Blue/White)
ruse
(24)
ignition
|
l
Source
Power
|
As
close
as
ev
Antenna
SPST
Switch
eee
is
tional)
yee
(op
ignition
tap
Remote
On
To
other
Alpine
components’
Remote
On
leads
“CONNECTIONS.
2-Channel
Stereo
System
(Full
Range,
Tweeter/Midrange
Satellite,
or
Subwoofer)
Position
of
the
Position
of
the
input
Filter
Switch:
Mode
Selector
Switch:
@
Full
Range
®©
Tweeter/Midrange
Satellite
(MONO)
ST
CHi)+@)
@
Subwoofer
Position
of
the
*
Position
of
the
Input
Filter
Switch:
Mode
Selector
Switch:
CHO}MONO)
ST
CHG)-(2)
Single
Channel
System
(Full
Range,
Midrange
Satellite)
Position
of
the
*
Position
of
the
Input
Filter
Switch:
Mode
Selector
Switch:
1(MONO)
@
Full
Range
[a_]
ra]!
ease
|
CHOKMONO)
st
cHO}E
@
Midrange
Satellite
CHOMONO)
ST
CHOM+2)
|
3522S
3522S
|
Input
Mode
Selector
Switch
a)
Select
the
“ST”
position
(center)
when
the
Left
(CH
1)
and
Right
|
channels
are
used
in
stereo.
es
CH{T}(MONO)
ST
CH{[i]+
b)
Select
the
“{1]
(MONO)”
position
when
only
one
channel
(Left
or
will
be
used
for
both
outputs
of
a
stereo
system
or
the
mono
out
bridged
system.
1
CH[I}(MONO)
ST
CHE)
+[2]
c)
Select
the
‘[1]
+
[2]”
position
when
the
Left
(CH
1)
and
Right
(Cr
channels
will
be
summed
for
a
subwoofer
system.
-T
CH[i](MONO)
ST
CHE)+E2]
Input
Gain
Adjustment
Control
After
setting
your
head
unit's
volume
control
1/4
of
a
turn
down
f
maximum
output
level,
rotate
the
Input
Gain
Adjustment
Control
wit
flat
blade
screwdriver
and
adjust
the
input
gain
to
the
point
where
tt
maximum
volume
with
no
distortion.
2-Channel
Stereo
System
(Full
Range,
Tweeter/Midrange
Satellite,
or
Subwoofer)
Position
of
the
Position
of
the
Input
Filter
Switch:
Mode
Selector
Switch:
@
Full
Range
®
Tweeter/Midrange
ST
Satellite
CH(](MONO)
ST
CHL]
®
Subwoofer
‘
Position
of
the
*
Position
of
the
Input
Filter
Switch:
Mode
Selector
Switch:
Subwoofer
Single
Channel
System
(Full
Range,
Midrange
Satellite)
Position
of
the
*
Position
of
the
input
Filter
Switch:
Mode
Selector
Switch:
1(MONO)
ayes
CHE(MONO)
ST
CHO]
ations
‘dr
:
®
Midrange
Satellite
aah
fe
ag
lf
eS
OFF
HP
uP
CHE(MONO)
ST
CHE}
@®
Full
Range
|
35228
=
3352.28
|
SWITCH
SETTINGS
~—
Input
Mode
Selector
Switch
a)
Select
the
“ST”
position
(center)
when
the
Left
(CH
1)
and
Right
(CH
2)
channels
are
used
in
stereo.
el
ie
CH
[i]
(MONO)
ST
CHE}
+2]
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Select
the
“{1]
(MONO)”
position
when
only
one
channel
(Left
or
Right)
will
be
used
for
both
outputs
of
a
stereo
system
or
the
mono
output
of
a
bridged
system.
To
CH[T](MONO)
ST
CH[i]+2]
c)
Select
the
‘{1]
+
[2]”
position
when
the
Left
(CH
1)
and
Right
(CH
2)
-
channels
will
be
summed
for
a
subwoofer
system.
{
-—
|
—
CH(AJ(MONO)
ST
CH{t]+{2]
Input
Gain
Adjustment
Control
After
setting
your
head
unit's
volume
control
1/4
of
a
turn
down
from
the
maximum
output
level,
rotate
the
Input
Gain
Adjustment
Control
with
a
#0
flat
blade
screwdriver
and
adjust
the
input
gain
to
the
point
where
there
is
maximum
volume
with
no
distortion.
"SWITCH
SETTINGS
Active
Dividing
Network
Mode
Selector
Switch
a)
Select
the
“LP”
position
when
the
amplifier
is
used
for
the
low-pass
(subwoofer)
system.
The
frequencies
higher
than
80
Hz
will
be
cut
(ata
rate
of
18
dB
per
octave).
a
OFF
HP
LP
b)
Select
the
“HP”
position
when
the
3522S
is
used
for
the
high-pass
(tweeter/midrange)
system.
The
frequencies
lower
than
80
Hz
will
be
cut
(at a
rate
of
18
dB
per
octave).
L—
PLP
L
+
mm
OF
c)
Select
the
“OFF”
position
when
the
3522S
is
used
for
the
regular
stereo.
system
with
full-range
speakers.
The
full
bandwidth
will
be
output
without
cutting
the
high
or
low
frequencies
eee
3
OFF
HP
LP
Status
Monitor
This
indicator
lights
in
green
when
the
power
is
on.
The
3522S
has
built-
in
protection
circuitry.
If,
for
some
reason,
this
protection
circuit
is
activated,
the
indicator
turns
orange.
If
this
happens,
turn
the
system
off,
find
the
cause
of
the
problem
and
remedy
the
situation.
This
includes
checking
all
your
connections
and
wiring.
If
the
indicator
remains
Orange
when
the
system
is
turned
on,
consult
your
authorized
Alpine
dealer.
NOTE:
The
indicator
will
illuminate
in
orange
for
a
few
seconds
when
the
power
is
turned
on
as
the
turn
on
muting
circuit
is
activated.
This
is
normal.
+10—
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CURVE
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