Bosch LBC 3086 Installation and operation manual

Ceiling loudspeaker
LBC 3086/41
en Installation note

Installation
Figure 1.1 Figure 1.2
196 mm / 7.7"
Min 9mm / 0.3”
Max 25mm / 0,9”
Figure 1.3 Figure 1.4
1
2
+
0
Figure 1.5 Figure 1.6
1
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Bosch Security Systems B.V. Installation note 2016.12 | V1.03 |

1.5W
0.75W
3W
6W
4Ω
0
C
Figure 1.7 Figure 1.8
Figure 1.9 Figure 1.10
4en | Installation Ceiling loudspeaker
2016.12 | V1.03 | Installation note Bosch Security Systems B.V.

Technical data
Electrical*
Maximum power 9 W
Rated power 6 / 3 / 1.5 / 0.75 W
Sound pressure level
at 6 W / 1 W (1 kHz, 1 m)
98 dB / 90 dB (SPL)
Sound pressure level
at 6 W / 1 W (1 kHz, 4 m)
89 dB / 81 dB (SPL)
Effective frequency range (-10 dB) 90 Hz to 20 kHz
Opening angle
at 1 kHz/4 kHz (-6 dB)
180° / 50°
Rated voltage
Rated impedance
100 V
6 W 1667 Ohm
3 W 3333 Ohm
1.5 W 6667 Ohm
0.75 W 13333 Ohm
Connector 3-pole screw terminal block
* Technical performance data acc. to IEC 60268-5
Mechanical
Diameter 216 mm (8.5 in)
Maximum depth 90 mm (3.54 in)
Ceiling thickness 9 to 25 mm (0.35 to 0.98 in)
Mounting cut-out 196 mm (7.7 in)
Weight 1.3 kg (2.86 lb)
Color White (RAL 9010)
Magnet weight 150 g (5.3 oz)
Environmental
Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage and transport temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%
Mechanical LBC 3081/02
Dimensions (dia. x max. depth) 157 x 70 mm (6.2 x 2.8 in)
Weight 360 g (0.8 lb)
Color Flame red (RAL 3000)
Certified B15 Acc. to DIN 4102
2
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Bosch Security Systems B.V. Installation note 2016.12 | V1.03 |

Note:
– The specification data is measured in an anechoic chamber, on a standard baffle
– The reference axis is perpendicular to the center point of the front grille
– The reference plane is perpendicular to the center of the reference axis
– The horizontal plane is perpendicular to the center of the reference plane
Figure 2.1: Circuit diagram
Figure 2.2: Frequency response
Figure 2.3: Polar diagram
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2016.12 | V1.03 | Installation note Bosch Security Systems B.V.

Figure 2.4: CE-label
Ceiling loudspeaker Technical data | en 7
Bosch Security Systems B.V. Installation note 2016.12 | V1.03 |

Bosch Security Systems B.V.
Torenallee 49
5617 BA Eindhoven
Netherlands
www.boschsecurity.com
© Bosch Security Systems B.V., 2017