Bosch LH1-10M10E Installation and operation manual

Installation
Technical data
Electrical*
Rated power (PHC) 10W
Power tapping 10/5/2.5/1.25W
Sound pressure
level
at
10W/1W(1kHz,
1m)
112/102dB(SPL)
Sound pressure
level
at
10W/1W(1kHz,
4m)
87/76dB(SPL)
Effective frequency
range (-10dB)
280Hzto5800Hz
Opening angle
at 1kHz/4kHz
(‑6dB)
Horizontal 120°/35°
Vertical 125°/35°
Rated input voltage
Rated impedance
100V
10W 1000Ohm
5W 2000Ohm
2.5W 4000Ohm
1.25W 8000Ohm
Connector Screw terminal block
* Technical performance data acc. to IEC 60268-5
Mechanical
Dimensions (W x D) (213x186)x310mm
(8.39x7.32)x12.2in)
Weight 3.6kg(7.93lb)
Color Light grey(RAL7035)
Material
(horn/rear cover)
Aluminum/ABS
1 | 2 | 3 | 4 |
5 | 6 | 7 | 8 |

Cable diameter 6mm to 12mm(0.24in to
0.47in)
Environmental
Operating temperat-
ure
-25ºC to +55ºC (-13ºF to
+131ºF)
Storage and trans-
port temperature
-40ºC to +70ºC (-40ºF to
+158ºF)
Relative humidity <95%
Note:
– The specification data is measured in an an-
echoic chamber, free field
– 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
Additional technical data
37
1.45
Fig.1: Dimensions
0
1
1/2
16 Ω
1/4
1/8
Fig.2: Circuit Diagram
Fig.3: Specified active equalization, required for
EN54-24
SPL (dB)SPL (dB)
Fig.4: Frequency Response
9 | 10 | 11 |
12 | 13 | 14 |
LH1-10M10E Horn loudspeaker, 10W, 7x8"
en Installation note
| V1.03 | 2018.06