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INTUSO
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Concept
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Adelto
Unit 4 B
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Essex,
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USER MAN
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l Technical Indus
,
Design & Distrib
Industries Li
m
r
itannia Business
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ay, Southend-on
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S2 6GE, United
K
e
lto.com
/
sales
@
UAL ׀ 4SDL160
tries Co. Ltd.
ution by
m
ited
Park
-Sea
K
ingdom
@
adelto.com
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IN
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Multic
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M
ANUAL ׀ 4SDL1
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UFOR
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Amplifier
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portant saf
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R
ead these instru
c
n
structions.
H
eed all warning
s
p
roduct.
C
lean only with
a
daptor/charger f
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o not use this pr
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check whethe
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Unplug the uni
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EC D
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Declares at h
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The manufa
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INTUSONIC 4
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the following dir
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MC Directive 20
EN55035:2
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LVD Directive 20
1
EN62368
-
D
irective 2011/65/
E
EN63000:2
0
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ws:
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March 2021
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Conformit
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This un
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P
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60.00m
90.00m
a
ble to this
USER
M
C
A
u
t
h
b
A
w
r
e
M
ANUAL ׀ 4SDL1
6
C
ontrols and
C
A
C inlet and fus
e
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nit to AC mains.
M
h
e unit comply wi
t
b
y the small draw
A
C cord first, pull
w
ith a fuse of SA
M
e
placement, han
d
6
0
C
onnections
e
holder. Use th
e
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ake sure voltag
e
t
h your local
A
C
s
er at the AC inle
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out the fuse dr
a
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a
d
over the unit to
q
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.
e
supplied AC co
r
e
and frequency
s
s
upply. The fuse
c
t
. To change the
a
wer and replac
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a
ting. If the fuse
b
q
ualified service
p
.
INTUSONIC.COM
Pa
g
e
|
7
r
d to connect the
s
tated and set on
c
an be accessed
fuse, unplug the
e
the fuse ONL
Y
b
lows again afte
r
p
ersonnel.
WWW.I
N
8
|
P
M
v
I
n
li
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c
f
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f
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c
►
B
t
h
►
C
t
h
s
i
n
a
►
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t
h
t
h
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a
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M
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TUSONIC.COM
P
a
g
e
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ains Voltage S
v
oltage setting”.
n
puts A/B/C/D.
T
ne level input si
g
O
utputs (4).
L
ink Output A/B/
C
c
arrying the sam
e
o
rward the same
s
n
put Signal Ro
o
rward a signal r
e
n
put, allowing to
f
c
onfiguration. Spe
►
The A>B switc
h
B
). Once pressed
h
e (3-
A
) signal wi
►
The B>C switc
h
C
). Once pressed
h
e (3-B) signal
w
s
witch is pressed
n
to input (3-
A
)
w
a
nd no signal cabl
►
The A>D switch
D
). Once pressed
h
e (3-
A
) signal w
i
h
e B>C switches
A
) signal is forwa
c
ables shall be in
s
a
mplifier channel
s
n
dividually contro
l
F
ront volume co
r
ont volume cont
r
u
sers are not sup
p
N
ote: Depending
o
c
ertain front volu
m
h
e respective inp
u
00Hz HPF Filt
e
8dB/Oct. HPF
e
commendable
w
s
maller speaker
r
equencies. Eng
a
h
armful low-frequ
e
N
ote: The HPF
f
M
ODE SELECTO
R
elector Switch.
T
hese are balan
c
g
nals. Each inpu
C
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b
e
signals as fed
s
ignal to another
uting Switches.
e
ceived into a ce
r
f
ed all channel s
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cifically:
h
forwards the sig
, no signal cable
ll automatically b
e
h
forwards the si
g
, no signal cable
w
ill automatically
at the same tim
e
w
ill be forwarded
es shall be insert
e
forwards the sig
n
, no signal cable
i
ll automatically b
are pressed at th
rded to (3-B), (3
-
s
erted into (3-B),
s
will run only f
r
l
led.
ntrol switch. Th
i
r
ols (17) individu
a
p
osed to make an
o
n the setting of t
m
e controls may
u
t not being used
e
r Switch. Pres
s
at 100Hz in t
h
w
hen the respe
c
which is inca
p
a
ging this switc
h
e
ncy input energy
f
unction is not a
v
R
switch (9) is se
t
USER MAN
Refer to the ch
a
c
ed XLR connect
o
t signal is forwa
b
alanced 6.35mm
into the input (
3
amplifier.
These three s
w
r
tain input (3 -
A
/
B
e
parately (4x), or
i
nal received into
shall be inserte
d
e
present at (3-B)
g
nal received into
shall be inserte
d
be present at (
3
e
, this means th
e
automatically to
e
d into both (3-B)
n
al received into
shall be inserte
d
e present at (3-D
e same time, it
m
-
C) and (3-D), a
n
(3-C) and (3-D);
i
r
om the (3-
A
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p
i
s switch allows
t
a
lly per input cha
n
y volume change
s
he MODE SELE
C
be disengaged
b
in the chosen co
n
s
ing this switch
h
e respective c
h
c
tive amplifier
c
p
able of reprod
u
h
will protect th
.
v
ailable when th
t
to 2.1 Mode.
UAL ׀ 4SDL160
a
pter “AC mains
o
rs which accep
t
rded to the Lin
k
TRS connectors
3
). Use these to
w
itches allow to
B
/C/D) to anothe
r
i
n a 2x2 or a 1x4
input (3-A) to (3-
d
into (3-B), and
.
input (3-B) to (3-
d
into (3-C), and
3
-C). If the A>B
e
signal received
(3-B) and (3-C),
and (3-C).
input (3-A) to (3-
d
into (3-D), and
). If the
A
>B and
m
eans that the (3-
n
d that no signal
i
n this case, all 4
p
ut but cvan be
t
o disengage the
n
nel, in case tha
t
s.
C
TOR switch (9),
b
y default due to
n
figuration.
will engage an
h
annel. This is
c
hannel feeds a
ucing very lo
w
e speaker from
e setting of the
USER
M
S
This pr
o
which
t
A
lways
operati
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connec
t
exceed
i
M
ANUAL ׀ 4SDL1
6
S
ignal Cablin
g
o
duct may use a
t
he pin assignm
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make sure to u
s
o
n. Balanced co
t
ions where appli
i
ng 2m of cable l
e
6
0
g
ll or a selection
o
e
nt must comply
s
e good connect
o
nnections are t
o
cable and feasibl
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ngth.
WWW
.
o
f the below con
with the followi
o
rs and cables t
o
be preferred
o
e. Avoid unbala
n
.
INTUSONIC.COM
Pa
g
e
|
13
nector types, for
ng specification.
o ensure proper
o
ver unbalanced
n
ced connections
WWW.I
N
12
|
P
t
h
s
t
h
S
c
C
c
r
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t
h
P
b
o
a
o
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c
B
B
r
u
P
u
N
TUSONIC.COM
P
a
g
e
h
at this front-pan
e
s
ide switches (6).
h
e choice of a ce
r
S
ignal LED. Thi
s
c
hannel’s input. T
h
C
lip LED. This L
E
c
apability of low-
e
spective chann
e
h
e rear-panel ma
x
P
rotect LED. Thi
s
b
eing tripped.
T
o
vercurrent, DC
v
a
ccompanied wit
h
o
perating conditio
h
e unit may need
c
ommon protectio
n
B
ridge LED (onl
y
B
RIDGE switch (1
u
n in bridge mod
e
P
ower switch. S
w
u
nit off when not i
n
e
l volume control
Likewise, a volu
m
r
tain mode via th
e
s
LED indicates
h
e threshold for t
h
E
D indicates that
distortion reprod
e
l by means of t
h
x
imum level cont
r
s
indicator signal
s
T
his might be
v
oltage or a short
h
a temporary sh
u
ns are restored.
servicing. Note t
h
n
indicator LED e
a
y
channels C/D
3) was engaged
a
e
.
w
itches the unit o
n
n
use. The ON p
o
USER MAN
might be diseng
a
m
e control may b
e
MODE SELECT
that a signal i
s
h
is indicator is at
-
the signal excee
uction. Reduce
t
h
e front-panel le
v
r
ols (8), or both.
s
the amplifier’s p
r
caused by o
circuit at the ou
t
u
tdown of the a
m
If this indicator
d
h
at channels A/B
a
ch.
). This indicator
a
nd that outputs
(
n
and off. Make
s
o
sition is indicate
d
UAL ׀ 4SDL160
a
ged via the rea-
e disengaged b
y
OR switch (9).
s
present at the
-
30dBu.
ds the amplifiers
t
he level of the
v
el controls (17),
r
otection circuitry
o
ver-temperature,
t
put and may be
m
plifier until safe
d
oes not turn off,
and C/D share a
signals that the
(
14-3) and (14-4)
s
ure to switch the
d
by a backlight.
USER
M
M
i
n
t
h
s
e
N
t
h
M
t
h
f
o
►
I
n
I
n
I
n
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n
►
I
n
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n
I
n
I
n
►
I
n
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n
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n
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►
I
n
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n
I
n
(
1
(
1
I
n
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n
N
S
f
r
a
m
(
5
a
i
n
M
ANUAL ׀ 4SDL1
6
M
aximum Volum
e
n
dependently fro
m
h
e desired maxi
m
s
crew driver. Not
e
e
xcessive force wi
N
ote: When the fr
h
e switches (6), t
h
M
ode Selector S
w
h
e power amplifi
e
o
llowing selection
►
4-Channel:
n
put (3-
A
) will be
n
put (3-B) will be
n
put (3-C) will be
n
put (3-D) will be
►
2-Zone (Dual S
t
n
put (3-A) will be
n
put (3-B) will be
n
put (3-C) remain
n
put (3-D) remain
►
1-Zone (4 Cha
n
n
put (3-
A
) will be
n
put (3-B) remain
n
put (3-C) remain
n
put (3-D) remain
►
2.1 (Stereo & S
n
put (3-
A
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e
n
put (3-B) is rout
e
n
put (3-
A
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1
4-3) and 14-4)
w
1
3, 15)
n
put (3-C) remain
n
put (3-D) remain
N
ote 1: There is a
S
ELECTOR switc
r
om the 2.1 Mo
d
a
chieved by keepi
m
aking the respe
c
5
). The differenc
e
a
nd the Input si
g
n
dividual settings
6
0
e Control. To li
m
m
the front volum
m
um value.
A
djus
t
e
that the total a
n
th the screw driv
e
ont panel volum
e
h
is control sets th
e
w
itch. This switc
h
e
r part to the pre
s are available:
routed to amplifi
e
routed to amplifi
e
routed to amplifi
e
routed to amplifi
e
tereo)
routed to amplifi
e
routed to amplifi
e
s unused
s unused
n
nel parallel)
routed to amplifi
e
s unused
s unused
s unused
ubwoofer)
e
d to amplifier ou
t
e
d to amplifier ou
t
-B) are mono su
m
w
ith LPF applie
d
s unused
s unused
certain overlap i
n
h and the input
s
d
e, the 2-Zone
a
ng the MODE S
E
c
tive settings with
e
however is that
g
nal routing swi
t
of the channel v
o
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.
m
it the maximum
e controls (17),
s
t
ments shall be
m
n
gle is 300 degr
e
e
r.
e
controls (17) ar
e
e
actual channel
v
h
sets the overall
amplifier part ins
i
e
r output (14-1)
e
r output (14-2)
e
r output (14-3)
e
r output (14-4)
e
r output (14-1) &
e
r output (14-2) &
e
r output (14-1 & -
t
put (14-1), with H
t
put (14-2), with H
m
med and route
d
d
(12) and possi
b
n
functionality be
t
s
ignal routing s
w
a
nd 1-Zone mo
d
E
LECTOR in 4-C
h
the Input Signal
R
when using the
4
t
ches, all 4 ch
a
o
lumes (8) and th
.
INTUSONIC.COM
Pa
g
e
|
9
channel volume
s
et this control to
m
ade with a small
e
es; do not appl
y
e
disengaged via
v
olume.
signal routing o
f
i
de the unit. The
(14-4)
(14-3)
2 & -3 & -4)
H
PF applied (12)
H
PF applied (12)
d
to both outputs
b
le bridge option
t
ween the MODE
w
itches (5). Apar
t
d
es can also be
h
annel mode and
R
outing switches
4
-Channel mode
a
nnels will allow
e HPF filters (7),
WWW.I
N
10
|
P
w
S
r
e
N
a
c
N
a
t
h
S
M
s
s
S
t
h
c
a
m
A
M
s
f
r
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s
N
t
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B
(
1
s
a
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n
s
N
w
s
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o
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s
e
3
(
1
c
N
TUSONIC.COM
P
a
g
e
w
hile the use o
f
S
ELECTOR swit
c
e
maining active i
n
N
ote 2: In 2.1 mo
d
a
re disabled. Max
i
c
ontrols (10) and
(
N
ote 3: Change
t
a
nd turn all volu
m
h
e connected sp
e
S
tereo Satellite
S
M
ode). When the
s
witch (9), this
c
s
peakers connect
e
S
ubwoofer Maxi
m
h
e 2.1 mode is s
e
c
ontrol sets the v
o
a
nd (14-2) or a si
n
m
ode is selected
v
A
ctive Crossov
e
M
ode). These s
w
s
tereo satellite s
p
r
equencies are a
v
h
e appropriate
f
s
ystem.
N
ote: For best re
s
h
e same crossov
e
B
ridge switch.
P
1
4-4), with Inpu
t
s
witch is pressed,
a
nd do NOT conn
n
correct use of
t
s
peaker or the am
N
ote: Change b
e
w
hen the amplifie
r
s
ure connections
a
o
aded with a mini
S
peaker Output.
s
peakers here. N
o
e
very output. Mak
e
3
) and (14-4) if th
e
1
3). The speak
e
c
onnected to the
b
f
the 2-Zone or
c
h will apply the
n
puts to all assig
n
d
e the channel v
o
i
mum volume co
n
(
11).
t
he mode only w
m
es down. A mo
d
e
aker system and
S
peaker Maxim
u
2.1 mode is sel
e
c
ontrol sets the
e
d to outputs (14-
m
um Volume C
o
e
lected via the
M
o
lume of the sub
w
n
gle subwoofer c
o
v
ia the bridge swi
t
e
r Frequency
S
w
itches set the c
p
eakers and th
e
v
ailable: 120Hz,
1
f
requency accor
d
s
ults, it is manda
t
e
r frequency.
P
ressing this swit
c
t
(3-C) feeding
t
do ONLY use t
h
ect any speaker
s
t
he BRIDGE swi
t
plifier.
e
tween bridged
a
r
is switched off,
a
re made as req
u
mum of 8 Ohms.
These are 5m
m
o
te that the minim
e
sure no connec
e
BRIDGE mode
e
r load in BRI
D
b
ridge output (15)
.
USER MAN
1-Zone modes
volume and HP
F
n
ed outputs.
o
lumes (8) and t
h
n
trol is only perfo
r
hen the amplifie
r
d
e change requir
e
application case.
u
m Volume Co
n
e
cted via the M
O
volume of the
m
1 and (14-2).
o
ntrol (only in 2
M
ODE SELECTO
R
w
oofers connecte
d
o
nnected to outp
u
t
ch (13).
S
elector Switch
e
rossover freque
n
e
subwoofer in
2
1
50Hz, 180Hz a
n
d
ing to the co
n
t
ory that all 3 s
w
c
h will bridge ou
t
he bridges am
p
h
e dedicated BRI
D
s
to the outputs (
1
t
ch may result i
n
a
nd single ende
d
and turn all volu
m
u
ired and that th
e
m
terminal strip
s
um load impeda
n
tions are made t
o
is activated via
t
D
GE mode shal
l
.
UAL ׀ 4SDL160
via the MODE
F
settings of the
h
e HPF filters (7)
r
med through the
r
is switched off,
e
s care to match
n
trol (only in 2.1
O
DE SELECTOR
m
id/high satellite
.1 Mode). When
R
switch (9), this
d
to outputs (14-1
u
t (15) if BRIDGE
e
s (only in 2.1
n
cy between the
2
.1 mode. Fou
r
n
d 210Hz. Select
n
nected speake
r
w
itches are set to
tputs (14-3) and
p
lifier. Once this
D
GE Output (15)
1
4-3) and (14-4).
n
damage to the
d
operation only
m
es down. Make
e
bridge output is
s
. Connect you
r
n
ce is 4 Ohms fo
r
o
the outputs (14-
t
he bridge switch
l
exclusively be
USER
M
B
h
t
h
c
m
H
c
v
c
N
d
F
v
v
M
ANUAL ׀ 4SDL1
6
B
ridge Output. T
h
ere if the BRIDG
E
h
at the minimu
m
c
onnection is ma
d
m
ode.
H
eatsink. For sile
c
onvection coole
d
v
ertical airflow. D
o
c
ompartments or
b
N
ote that the he
a
d
egrees C. Do no
t
F
ront Panel Ch
a
v
olume here for
e
v
olume is set by
6
0
his is a 5mm ter
m
E
mode is activat
e
m
load impedan
d
e to this output
nt and maintena
n
d
. This requires
o
not block the
h
b
y locating other
a
tsink can reach
t
locate flammabl
e
a
nnel Volume
C
e
ach of the 4 c
h
the rear-panel
m
WWW
.
m
inal strip. Conn
e
e
d via the bridge
s
ce is 8 Ohms.
in case the unit
n
ce-free operatio
n
the heatsink to
h
eatsink by mou
n
items at all side
s
touch temperat
u
e
materials close
t
C
ontrol. Set you
r
h
annels. Note th
a
m
aximum volume
.
INTUSONIC.COM
Pa
g
e
|
11
e
ct your speake
r
s
witch (13). Note
Make sure no
is not in bridge
n
, this amplifier is
have access to
n
ting into narro
w
s
of the amplifier.
u
res of up to 60
t
o the heatsink
r
desired outpu
t
a
t the maximum
controls (8) and
/
