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Lhm 060600
1. Communications Systems | LHM 0606/xx Ceiling Loudspeaker
LHM 0606/xx Ceiling Loudspeaker
www.boschsecurity.com
u Suitable for speech and music reproduction
u Flush-mounting in ceiling cavity
u Easy to install
u Simple power setting
u Unobtrusive in virtually all interiors
The LHM 0606/xx is a general purpose, 6 W, cost- to demonstrate that they can withstand two times
effective ceiling loudspeaker. The /00 version is screw their rated power for short durations. This ensures
mounted and the /10 version is clamp mounted into extra reliability under extreme conditions, leading to
the ceiling. An optional fire dome LBC 3080/01 is higher customer satisfaction, longer operating life, and
available. much less chance of failure or performance
deterioration.
Functions
Safety acc. to EN 60065
An economic flushing-mounting ceiling loudspeaker is
available for general purpose applications. This full Installation/Configuration Notes
range loudspeaker is suitable for both speech and
music reproduction in shops, department stores, Mounting
schools, offices, sports halls, hotels and restaurants. The assembly is simply and quickly installed into a
The speaker assembly consists of a single-piece, 6W hole in the ceiling cavity. The /00 version is secured
dual cone loudspeaker and frame, with a 100 V, with the three white screws (supplied). The /10
matching transformer mounted on the back. A circular version is secured by two integral spring-loaded ceiling
metal grille is an integrated part of the front. The locking clamps. A circular template for marking a
appearance and neutral white color has been selected 165 mm diameter hole is included with the
to be unobtrusive in virtually all interiors. loudspeaker.
Three wires on the matching transformer (primary)
Certifications and Approvals provide for selection of nominal full-power, half-power
or quarter-power radiation.
All Bosch loudspeakers are designed to withstand
operating at their rated power for 100 hours in Fire dome
accordance with IEC 268-5 Power Handling Capacity During a fire, the ceiling cavity in which loudspeakers
(PHC) standards. Bosch has also developed the are installed can allow flames to spread throughout a
Simulated Acoustical Feedback Exposure (SAFE) test building. To prevent fire entering the caving via the
2. 2 | LHM 0606/xx Ceiling Loudspeaker
loudspeaker, the ceiling loudspeaker can be fitted with 0˚ 0˚
a protective steel fire dome (LBC 3080/01). This 30˚ 0 30˚
optional fire dome is mounted on the loudspeaker
assembly using four self-tapping screws, supplied as -10
60˚ 60˚
standard. There are four knock-out holes; two (2) for
rubber grommets (supplied) and two (2) for cable -20
glands. (PG13).
90˚ 90˚
3x 4 , 120°
0.16
-20
120˚ 120˚
120 -10
4.72 140
5.5
150˚ 0 150˚
180˚ 180˚
250 Hz 2000 Hz
500 Hz 4000 Hz
162 16 1000 Hz 8000 Hz
6.3 0.63
165 54.5
6.5 2.15 Polar diagram (measured with pink noise)
199 70.5
7.8 2.77
LHM 0606/00 Dimensions in mm / inch
Octave band sensitivity *
Octave SPL Total octave Total octave
1W/1m SPL SPL
120 1W/1m Pmax/1m
4.72
125 Hz 91.3 - -
250 Hz 85.3 - -
500 Hz 85.3 - -
16
0.63 1000 Hz 85.7 - -
165 54.5
6.5
199 70.5 2.15 2000 Hz 90.5
7.8 2.77
4000 Hz 98.2 - -
LHM 0606/10 Dimensions in mm / inch
8000 Hz 91.1 - -
0
A-weighted - 90.4 97.1
6W
3W
1.5W 4 Lin-weighted - 90.4 97.6
Circuit diagram Octave band opening angles
10dB Horizontal Vertical
125 Hz 180 180
90dB
250 Hz 180 180
SPL(dB)
500 Hz 180 180
1000 Hz 180 180
31.5 63 125 250 500 1000 2k 4k 8k 16k 20k
(Hz) 2000 Hz 122 122
Frequency response 4000 Hz 51 51
8000 Hz 42 42
Acoustical performance specified per octave
* (all measurements are done with a pink noise signal;
the valuals are in dBSPL)
3. 3 | LHM 0606/xx Ceiling Loudspeaker
Weight 620 g (1.37 lb)
Color White (RAL 9010)
Environmental
Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%
Ordering Information
LBC 3080/01 Fire Dome (optional) LHM 0606/00 Ceiling Loudspeaker
6 W, screw mounted
Order number LHM0606/00
21.5 dia LHM 0606/10 Ceiling Loudspeaker
0.84 dia 6 W, clamp mounted
147
5.78 Order number LHM0606/10
11 dia
0.43 dia Accessories
LBC 1256/00 EVAC Connection Adapter
3-pole screw connector, 100 pieces
Order number LBC1256/00
87 LBC 3080/01 Fire Dome
3.42
199 dia 102 mm
metal fire dome for the LBC 3087/41, LBC 3090/01,
7.83 dia 4.05 in LBC 3090/31, LHM 0606/00 and LHM 0606/10 ceiling
loudspeakers
LHM 0606/xx + LBC 3080/01 Fire dome assembly
Order number LBC 3080/01
dimensions in mm
Technical Specifications
Electrical
Maximum power 9W
Rated power 6 / 3 / 1.5 W
Sound pressure level 94 dB / 86 dB (SPL)
at 6 W / 1 W (1 kHz, 1 m)
Sound pressure level 106 dB / 98 dB (SPL)
at 6 W / 1 W (4 kHz, 1 m)
Effective frequency range 80 Hz to 18 kHz
(-10 dB)
Opening angle 175° / 55°
at 1 kHz/4 kHz (-6 dB)
Rated voltage 100 V
Rated impedance 1667 ohm
Connection Flying leads
Mechanical
Diameter 199 mm (7.8 in)
Maximum depth 70.5 mm (2.8 in)
Mounting cut-out 165 + 5 mm (6.5 + 0.20 in)
Speaker diameter 152.4 mm (6 in)