Audison UB ONE Owner's Manual
- 62018 Potenza Picena (MC) Italy • Tel. +39 0733 870.870 • Fax +39 0733 870.880 • www.audison.com
Cod. 10124500
SERVICE MANUAL
Audio line adapter
unbal.
CHASSIS
GND CHASSIS
GND IN
GND IN
GND OUT
GND OUT
bal.
unbal.
bal.
out
in
GND
common
separated
ABS
ABS
LR
LR
OUTPUT
INPUT
R OUTPUT
L
A B S
A B S
L INPUT
R
D
C
E
B
A
F
ABS outputs selectable
in BALANCED or
UNBALANCED way.
Commutator to select
the outputs in
BALANCED or
UNBALANCED way.
Commutator to
short-circuit or separate
the input and output
ground.
Commutator to connect
the chassis to the
input or output ground.
Commutator to select
the inputs in
BALANCED or
UNBALANCED way.
ABS inputs selectable
in BALANCED or
UNBALANCED way.
A
B
C
D
E
F
unbal.
CHASSIS
GND CHASSIS
GND IN
GND IN
GND OUT
GND OUT
bal.
unbal.
bal.
out
in
GND
common
separated
ABS
ABS
LR
LR
OUTPUT
INPUT
bilanciato
sbilanciato
UB one
INSTALLATION
EXAMPLE
Balanced line source
with amplifier
with balanced inputs.
Transformer of an
unbalanced line
into a balanced line
(Switch position as in the picture. Concerning the chassis, choose the less noisy ground.)
(Switch position as in the picture. Concerning
the chassis, choose the less noisy ground.)
INSTALLATION
EXAMPLE
UB one
unbal.
CHASSIS
GND CHASSIS
GND IN
GND IN
GND OUT
GND OUT
bal.
unbal.
bal.
out
in
GND
common
separated
ABS
ABS
LR
LR
OUTPUT
INPUT
unbal.
CHASSIS
GND CHASSIS
GND IN
GND IN
GND OUT
GND OUT
bal.
unbal.
bal.
out
in
GND
common
separated
ABS
ABS
LR
LR
OUTPUT
INPUT
unbalanced
balanced
unbalanced
unbalanced
balanced
UNIT FIXING
A B S
L INPUT
R
A B S
L OUTPUT
R
GND + GND +
GND GND
GND
common
separated
unbal.
bal.
unbal.
bal.
CHASSIS
out
in
RL
sbilanciato
sbilanciato
INSTALLATION
EXAMPLE
(Switch position as in the picture. Concerning the chassis, choose the less noisy ground.)
UB one
Block diagram
ABS (Audison Balanced System) SYSTEM CONNECTIONS
Balanced connections
(PIN ABS)
Unbalanced connections
(PIN RCA)
+
GND
GND
+
2
3
1
PIN ABS
1-2-3
1-3
Ground decoupler for
unbalanced lines
unbalanced
unbalanced
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