Bosch LC4-UC06E User Manual
Rear view LC4-UCxxE including LC4-MFD, showing the
ceramic connector
ceramic connector
+
0
0
1/8
1/8
1/4
1
1/2
1/4
1/2
1
100V
70V
8
8
+
8
Circuit diagram LC4‑UCxxE
6 0
7 0
8 0
9 0
10 0
110
10
10 0
100 0
10 00 0
10 0 00 0
Fr eque ncy
d
B
S
P
L
BOSCH
Frequency response LC4‑UCxxE
LC4 ceiling loudspeaker range overview
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
125
250
500
1000
LC4‑UCxxE horizontal/vertical polar diagram (low
frequency). Normalized at 0-degrees axis.
frequency). Normalized at 0-degrees axis.
1000
2000
4000
8000
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
LC4‑UCxxE horizontal/vertical polar diagram (low
frequency). Normalized at 0-degrees axis.
frequency). Normalized at 0-degrees axis.
3 | LC4 Ceiling Loudspeaker Range