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Switch Settings - Alpine KTA-450 Manual De Operación

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KTA-450 Right
aide
panel/Panneau d• drolte/Panel derecho
Fig.
2
SWITCH SETTINGS
(Fig.
2)
(Bl
Input
Slgn■rrype
Switch
a) SUde switch 6 down for RCA
b)
Slide switch
6
up
for speak.er
c)
Refer to figure 2
(D)
Input Configuration
SWltch
a) Slide switch
5
up for
4
Ch.
Mode
b) Slide
switch 5
down for 2
Ch.
bridged mode
Note:
Input
Configuration Swilch should be in IIHI left posilion for 2CH bridged output system.
®I
High Pua FIiter Selector SwltchH
Set the KTA--450
input
gain to the
minimum
position. Using a dynamic CD as a
source.
increase
the head untt volume until the output distorts. Then, reduce the volume 1
step
(or
until the output
Is
no longer distorted).
Now,
Increase
the amplttler gain untn the sound from
the
speakers become distorted. Reduce
the gain slightly so the sound is no longer distorted to achiava Iha optimum gain setting.
®
F11t9r
Selector Swltche1
Switch number
1
and
2
are for front
channel filter
settings.
As shown the front filter
is
off.
$Witch section
Switch number
Function
A
5 end6
Input
configuration
B
1 &
2,
3 &4
Filter configuration
C
NIA
fronVrear gain control
Input
configuration
0
:
..
RCA Signal
level
SWitch 6 down
Ill
All Channels are affected
-
Speak.er signal laval
Switch 6 up
d
4 channel mode
-
normal
$Witch S
lsup
Ill
4 semi-independent Outputs.
I
All are ground referenced
DI
2 channel mode - bridged
$Witch 5
is
down
BTLoutput
FILTER Configuration
(fil:
Ill Ill
Off
Filter off
positions:
front
Is
switch
2
and 1 down. Rear
is
switch
4
and 3
down.
111
lfJ
acz
Filter
1,
HI
for 60Hz higtl
paos;
switch
2
down and
1
is
up,
Rear
is
switch 4
is
down
and 3 is up.
Ill Ill
acz
Filter
Is
sat for 80Hz high pass;
switch
2
up end 1 Is down.
Rear
is swttch
4
is up
and 3
Is
down.
HI
ltl
1291Z
Attar
Is
sat for 80Hz high pass;
switch
2 up and 1
Is
up. Rear
Is
switch 4
Is
up and
3 is
up.
Function
Switch number
&
Function
Switch number &
position
position
Front HPF off
2
down & 1 down
Rear
HPF
off
4 down & 3 down
Front HPF 60 Hz
2 up & 1 down
Rear
HPF
60 Hz
4up&3down
Front HPF 80 Hz
2down& 1 up
Rear
HPF
80 Hz
4down&3up
Front HPF 120 Hz
2up&1up
Rear HPF
120 Hz
4up&3up
Gain control~
:
The control
is
grouped
as
front 2 channels and rear 2 channels.
1.
Full rated output
is
obtained
with
the appropria1e
settings.
2.
Distortion can be had when
the
gain is sat high
in
combination or high level input.
a.
Example
having the speak.er level connection with the gain control set for RCA.

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