Bosch LBC 3094 LBC3094/15 User Manual

Product codes
LBC3094/15
Page of 4
2 | LBC 3094/15 Sound Projector
Installation/Configuration Notes
All units are supplied with a color-coded four-core
connecting cable with each color connected to a different
primary tap on the 100 V matching transformer. This
allows nominal full-power, half-power or quarter-power
radiation to be selected (in 3 dB steps).
3x Ø10
Dimensions in mm
Circuit diagram
Frequency response
Polar diagram (measured with pink noise)
125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz
SPL 1.1
81
82
85
92
89
87
79
SPL max. 91
92
95
102
99
97
89
Q-factor 1.2
1.3
1.8
3.1
5.9
20
32
Efficiency 0.1
0.1
0.2
0.6
0.2
0.03
0.01
H. angle
360
360
360
160
105
70
40
V. angle
360
360
360
160
105
70
40
Acoustical performance specified per octave
Technical Specifications
Electrical*
Maximum power
15 W
Rated power
10 / 5 / 2.5 W
Sound pressure level
at 10 W / 1 W (1 kHz, 1 m)
102 dB / 92 dB (SPL)
Effective frequency range
(-10 dB)
140 Hz to13 kHz
Opening angle 
at 1 kHz / 4 kHz (-6 dB)
160° / 70°
Rated voltage
100 V
Rated impedance
1000 ohm
Connection
2 m 4-wire cable
* Technical performance data acc. to IEC 60268-5