4 | LB2‑UCxx‑x Premium‑sound Cabinet Loudspeaker Range
2000 Hz
115
121
4000 Hz
101
35
8000 Hz
76
44
Acoustical performance specified per octave
* (all measurements are done with a pink noise signal; the
values are in dB SPL)
LB2‑UC30‑D/L
245
(9.6)
160
(6.3)
1
1
Rotatable logo
Mechanical diagram: front and top view in mm (in.)
169.3
(6.7)
247
(9.7)
130.8
(5.1)
1
1
Power tapping switch
Mechanical diagram: side view in mm (in.)
18
(0.7)
78
(3.1)
78
(3.1)
262.4
(10.3)
10
(0.4)
10
(0.4)
Ø
Ø
Ø
Mechanical diagram: rear view in mm (in.)
C'
D'
E'
F'
E
D
C
B
A
0
C
100V
70.7V
2.2uf
F
8 ohms
A'
B'
30W
15W
7.5W
3.75W
3.75W
7.5W
15W
30W
Circuit diagram
60
70
80
90
100
110
10
100
1000
10000
100000
Frequency (Hz)
d
B
S
P
L
BOSCH
Frequency response
