Bosch Appliances Car Speaker LBC 3430 2 ユーザーズマニュアル
Region
Certification
Europe
CE
Installation/configuration notes
Mounting
The sound projector mounts to the ceiling or to the
wall in such a way, that the connection cable is not
visual which is important in areas where vandalism is a
potential hazard.
wall in such a way, that the connection cable is not
visual which is important in areas where vandalism is a
potential hazard.
Power setting
A one-meter long fire-resistant six‑core connection
cable is standard fitted to the loudspeaker. Each core
is a different color, and is connected to one of the
primary taps on the transformer.
cable is standard fitted to the loudspeaker. Each core
is a different color, and is connected to one of the
primary taps on the transformer.
mm
175
186
100
166
146
6.89
3.94
In
5.75
7.32
6.54
5.5
157
0.22
6.18
mm
In
Dimensions mm / in
6W
3W
1.5W
12W
0
Circuit diagram
Frequency (Hz)
SPL(dB)
31.5 63
125
250
500
1k
2k
4k
8k
16k
10dB
90
Frequency response
250 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
8000 Hz
120 ˚
120 ˚
150 ˚
150 ˚
180 ˚
180 ˚
90˚
90˚
60˚
60˚
30˚
30˚
0˚
0˚
0
0
-10
-10
-20
-20
Polar diagram
Octave band sensitivity *
Octave SPL
1W/1m
Total octave
SPL
1W/1m
Total octave
SPL
Pmax/1m
125 Hz
76.8
-
-
250 Hz
85.0
-
-
500 Hz
88.9
-
-
1000 Hz
91.6
-
-
2000 Hz
95.5
4000 Hz
96.4
-
-
8000 Hz
92.3
-
-
A-weighted
-
91.3
101.3
Lin-weighted
-
91.4
100.6
Octave band opening angles
Horizontal
Vertical
125 Hz
119
119
250 Hz
129
129
500 Hz
131
131
2 | LBC 3430/02 Bidirectional Sound Projector