Technical data

Chapter 4: Installation
Series SPB Audio Boosters Manual, Revision A
4-36
N
L
L
L
N
N
Battery #1
Battery #2
Battery #3
Battery #4
SPLITTER ZONE
OUTPUTS
(POWER LIMITED)
AUDIO INPUT
(POWER LIMITED)
AUDIO OUTPUTS
W/O SPLITTERS
(POWER LIMITED)
SPLITTER ZONE
OUTPUTS
(POWER LIMITED)
AUDIO RETURN
(POWER LIMITED)
AUDIO OUTPUTS
W/O SPLITTERS
(POWER LIMITED)
AC LINE (NON-
POWER LIMITED)

BATTERY WIRING
(NON-POWER
LIMITED)
1
2
3
PLACE AUD1 AND AUD2 WIRE RUN AT LEAST 1/4" FROM THE 24vdc WIRE RUN. 
PLACE WIRE RUN AT LEAST 1/4" ABOVE THE TOP OF THE CIRCUIT BOARD.
24VDC IS NON-POWER LIMITED. PLACE WIRE RUN UNDER SPLITTER CIRCUIT BOARD.
+ _
TB1
BR1
+
_
GND
E1
TB2
N N L L
IN
OUT
+ _
TB1
BR1
+
_
GND
E1
TB2
N N L L
IN
OUT
_
_
..
.
.
..
.
.
AUDIO RET
AUDIO IN
TRB
..
.

.

.

.


ACTRB
COM
NC
NO
COM
NC
NO
AUX IN
AUX
RET
NCNONC NO
COM COM
TB8
24V OUT
+
_
+
+
+
_
_
+
_
24V OUT
+
_
EXP OUT
+
G
N
NO L
NC
TB1
DC IN
BAT
TB4
_
+
_
+
TB2
DC
O
D15
D11
AC
D27
AUD1
LIM
CHG TRB
D16
AUD2
AUD2
AUD1
AUD1
OPEN
OPEN
SHORT
SHORT
D18
D21
D25
D30
D51
AC
TRB
D49
BAT
TRB
AUX TRB
D79
D73
TRB
D77
AMP
D113
EXP OUT
D100
GF
D87
EXP OPEN
D78 EXP SHORT
JP7
SW1
J5
J3
JP4
JP8
JP10
JP5 
J2
JP1
SW4
AUD LIM
..
.
.
J1B
AUDIO OUT
25V
70V

70V 25V
70V
25V
1V
AUDIO IN
+
_
AUD2 OUT
+
_
AUD2 OUT
_
_
..
.
.
..
.
.
AUDIO RET
AUDIO IN
TRB
..
.

.

.

.


ACTRB
COM
NC
NO
COM
NC
NO
AUX IN
AUX
RET
NCNONC NO
COM COM
TB8
24V OUT
+
_
+
+
+
_
_
+
_
24V OUT
+
_
EXP OUT
+
G
N
NO L
NC
TB1
DC IN
BAT
TB4
_
+
_
+
TB2
DC
O
D15
D11
AC
D27
AUD1
LIM
CHG TRB
D16
AUD2
AUD2
AUD1
AUD1
OPEN
OPEN
SHORT
SHORT
D18
D21
D25
D30
D51
AC
TRB
D49
BAT
TRB
AUX TRB
D79
D73
TRB
D77
AMP
D113
EXP OUT
D100
GF
D87
EXP OPEN
D78 EXP SHORT
JP7
SW1
J5
J3
JP4
JP8
JP10
JP5 
J2
JP1
SW4
AUD LIM
..
.
.
J1B
AUDIO OUT
25V
70V

70V 25V
70V
25V
1V
AUDIO IN
+
_
AUD2 OUT
+
_
AUD2 OUT
+ -
24VDC
+ - + - + - + -
+ -
Z4Z3Z2
Z1
AUD 
IN
POWER
TROUBLE
ZONE 1
ZONE 4
ZONE 3
ZONE 2
+
-
+ - + - + - + -
+ -
Z4
24VDC
Z3Z2Z1
AUD 
IN
POWER
TROUBLE
ZONE 1
ZONE 4
ZONE 3
ZONE 2
-
1
2
3
2
+ -
24VDC
+ - + - + - + -
+ -
Z4Z3Z2
Z1
AUD 
IN
POWER
TROUBLE
ZONE 1
ZONE 4
ZONE 3
ZONE 2
+
-
+ - + - + - + -
+ -
Z4
24VDC
Z3Z2Z1
AUD 
IN
POWER
TROUBLE
ZONE 1
ZONE 4
ZONE 3
ZONE 2
-
1
2
3
2
Figure 4-27 Proper Wiring for SPB-320 with and without SPLITTERS