BOSCH LB1‑UM20E Premium‑sound Cabinet Loudspeaker Range
High-fidelity music and speech reproduction Supplied with adjustable wall‑mounting bracket Self‑restoring overload protection Provision for internal mounting of the optional line / loudspeaker supervision board EN 54‑24 certified
The Premium‑sound range of cabinets is intended for clear reproduction of speech, foreground and background music to be used in general indoor and outdoor applications. 20 Watt power handling capacity. The enclosures are made from aluminum with ABS top and bottom covers and are available in charcoal (D) and white (L). Typical applications for these products are: theme bars, music restaurants, theme parks, retail outlets, audio visual, boardrooms and offices, exhibition areas and presentation environments, fitness centre.
Electrical* Description : Premium‑sound Cabinet Loudspeaker Maximum power : 30 Watt, Rated power (PHC) : 20 Watt, Power tapping : 20 / 10 / 5 / 2.5 W Sound pressure level at rated power / 1 W (1 kHz, 1 m) : 101 dB / 88 dB (SPL) Effective frequency range (-10 dB) : 90 Hz to 20 kHz Opening angle at 1 kHz / 4 kHz (-6 dB) : - horizontal : 174° / 136°, - vertical : 127° / 141° Rated input voltage : 12.65 / 70 / 100 V, Rated impedance : 8 / 250 / 500 ohm, Connector : 3‑pole screw block * Technical performance data acc. to IEC 60268‑5
Mechanical Dimensions (H x W x D): 274x160x180mm (10.78x6.29x7.08 inch) Loudspeaker diameter - Woofer : 134.5 mm (5 in), - Dome tweeter : 25.4 mm (1 in) Material - Cabinet : Aluminum, - Front grille : Aluminum, - Top and bottom : ABS Color : White (RAL 9010) (L) or Charcoal (RAL 7021) (D), Weight : 3.88 kg (8.55 lb)
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%