Bosch LA1-UM20E-1 20-Watt Column Loudspeaker
20 watt metal column loudspeaker
Key Features
- Good speech intelligibility and background music reproduction
- For applications where directivity is important
- Slim-line weatherproof design
- Swivel wall-mounting bracket supplied as standard
- Robust aluminum construction
- Switchable between 70/100 V line and 8 Ohms
- Provision for inside mounting of the optional line/loudspeaker supervision board
- EN 54 24 certified
- BS 5839 8 and EN 60849 compliant
Technical Specifications
Description
LA1-UM20E-1
Rated power (PHC)
20 W
Power tapping
20 / 10 / 5 / 2.5 W
Sound pressure level at rated power / 1 W (1 kHz, 1 m)
105 / 92 dB (SPL)
Sound pressure level at rated power / 1 W (1 kHz, 4 m)
89 / 76 dB (SPL)
Effective frequency range (-10 dB)
240 Hz to 16 kHz
Horizontal opening angleat 1 kHz / 4 kHz (-6 dB)
210/ 94
Vertical opening angleat 1 kHz / 4 kHz (-6 dB)
80/ 22
Rated input voltage LA1?UM20E?1
12.65 V , 70 V , 100 V
Rated impedance LA1?UM20E-1
20 W , 8 Ohm , 250 Ohm , 500 Ohm
10 W
N/A , 500 Ohm , 1000 Ohm
5 W
N/A , 1000 Ohm , 2000 Ohm
2.5 W
N/A , 2000 Ohm , 4000 Ohm
Dimensions (L x W x D)
478 x 84 x 96 mm (18.8 x3.3 x 3.8 in)
Weight
2.9 kg (6.4 lb)
Color
White (RAL 9010)
Materialenclosure front grille top and bottom
Aluminium Aluminium ABS
Connection
1 m (39.37 in)3-wire cable
Connector(phase, common, earth)
3pole screw block
Operating temperature
-25 C to +55 C (-13 F to +131 F)
Storage and transport temperature
-40 C to +70 C (-40 F to +158 F)
Relative humidity
<95%
