Bosch Plena LBB1930/20 - Low Impedance Loudspeaker Connection

Low impedance loudspeakers
Connect low impedance loudspeakers to the 8 ohm/0 terminals. This output can deliver the
rated output power into an 8 ohm load. Connect multiple loudspeakers in a series/parallel-
arrangement to make the combined impedance 8 ohm or higher. Check the loudspeaker
polarity for in‑phase connection.
1
0
0
V 0
1
00V 0
Pri
or
it
y Con
t
r
ol
l
e
d Outpu
t
Off On
2
4V D
C
I
n
Ap
pa
ra
t
us deli
ve
red
c
o
nne
c
tore
dfor 2
3
0
V
~
Mai
n
P
owe
r
B
atteryInput
F
au
lt Rela
y
s
' Outp
ut
NO
C
OM NC
O
f
f On
NO
C
O
M
N
C
N
O
CO
M
N
C
In
p
u
t
1P
riori
t
y
Loopthr
o
u
gh1
Input2
P
rogram
Lo
opthrou
gh2
Input1P
riority
2...24V-I npu
t
1
0V-
Input2
Inpu
t
2Enable
2.
.24
V
-
Enabl
e
0
V-
M
ute
100
V
0
S
l
aveInp
ut
1
0
0
V
+
+
-
-
1
0
0V
0
70
V
0
8o
hm
1
00
V/
7
0V
Sel
e
ction
(
1
2
A
)
Pr
i
o
r
it
yOnly
0
0
N
oPr
iorit
y
P
rior
ity
F7
0
1
F7
0
2
B
at
te
ry
P
o
w
e
r
Det
e
ction
Pi
l
ot-to
ne
De
te
c
tor
2
3
0
V~
240
V~
Design& Qualit
y
T
he
N
eth
erlands
L
B
B 19
3
8
/
10
NL-4827HG -10
Plena4
8
0
WP
ow
e
rAmpli
er
Max.o
utp
u
tp
ow
er7
20W
Rat
edoutputpow
er
1
80
W
2
3
0V~,50/6
0Hz
S
/N
.
8900 193
8
1
00
1
A035413
M
ad
e
i
nChina
N663
R
at
e
d
input
P
owe
r
: 1600V A
Inpu t
1
P
r
i
ori
ty
S lave In
put
100 V
I
n
put 2
E
nab
l
e
100 V 0
100 V
70V0 0 8
D
ir
ect O
u
t
pu
t
In
p
ut
Inp
ut
Inp u
t
2
-
P
rogr amInp u
t
1-
P r
io
r
it
y
2
..2 4V
De
f
au
lt
O
ff
GN
D 2.
.
24V
Defa ult
O
n
GND
Priority Only No Priority
100V 0 100V 0
Priority Controlled Output
24V DCIn
100V 7 0 V0 0 8
Direct O utput
Priority Only
No Priority
70 V100 V
8 Ohm
8 Ohm
8 Ohm
8 Ohm
8 Ohm
8 Ohm
4 Ohm
4 Ohm
Figure 6.4: Priority input and control terminals
6.5
14 en | External connections Plena Power Amplifiers
2014.01 | V1.1 | LBB193x/x0 Installation and Operation manual Bosch Security Systems B.V.