Column loudspeaker, 40W Loa cột40W, Bosch LA1-UM40E-1

Column loudspeaker, 40W
Loa cột 40W, Bosch LA1-UM40E-1

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

• 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) 3‑pole screw block
• Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)