Bosch F.01U.126.924 LB1UM06E1 6 Watt Metal Cabinet Loudspeaker



The LB1‑UM06E‑1 circular metal cabinet emergency loudspeaker delivers professional performance from a robust, yet aesthetically designed metal enclosure. It is an ideal loudspeaker for indoor use in offices, schools, car parks, shopping centers, and in areas where vandalism is a potential hazard. 
Voice alarm
Voice alarm loudspeakers are specifically designed for use in buildings, where the performance of PA systems is subject to official regulations. The LB1‑UM06E‑1 is designed for voice alarm systems, and is compliant with British Standard BS 5839‑8 and EN 60849. 
The loudspeaker has built‑in protection to ensure that in the event of a fire damage does not cause failure of the connected circuit. In this way, system integrity is maintained; ensuring loudspeakers in other areas can still be used to inform people of the situation. 
Connections and safety
The loudspeaker has a ceramic terminal block, thermal fuse, and heat-resistant, high-temperature wiring. The cabinet has a provision for internally mounting the optional line/loudspeaker supervision board. 
Certifications and approvals
All Bosch loudspeakers are designed to withstand operating at their rated power for 100 hours in accordance with IEC 268‑5 Power Handling Capacity (PHC) standards. Bosch has also developed the Simulated Acoustical Feedback Exposure (SAFE) test to demonstrate that the speakers can withstand two times their rated power for short durations. This ensures extra reliability under extreme conditions, leading to greater customer satisfaction, longer operating life, and much less chance of failure or performance deterioration.
  • Maximum power: 9 W
  • Rated power (PHC): 6 W
  • Power tapping: 6 / 3 / 1.5 / 0.75 W
  • Sound pressure level at 6 W / 1 W (1 kHz, 1 m): 94 / 86 dB (SPL)
  • Sound pressure level at 6 W / 1 W (4 kHz, 1 m): 105 / 97 dB (SPL)
  • Effective frequency range(-10 dB): 160 Hz to 20 kHz
  • Opening angle at 1 kHz / 4 kHz (-6 dB): 180° / 56°
  • Rated input voltage: 70/100 V
  • Rated impedance: 835/1667 ohm
  • Connector: 3‑pole screw block
* Technical performance data acc. to IEC 60268‑5
  • Dimensions (W x D): 199 x 105 mm (7.8 x 4.1 in)
  • Weight: 1.23 kg (2.71 lb)
  • Color: White (RAL 9010)
  • Material (back box and grille): Steel
  • Speaker size: 152.4 mm (6 in)
  • Magnet weight: 53 g (1.9 oz)
  • 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%

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