| Color | White; Customized colors |
| Coverage angle HxV (-6 dB, 1 kHz) (°) | 166 x 140 ° |
| Coverage angle HxV (-6 dB, 4 kHz) (°) | 83 x 76 ° |
| Dimensions (H x W x D) (mm) | 250 x 60 x 140 mm |
| Frequency range (-10 dB) (Hz) | 100 – 19000 Hz |
| Operating temperature (°C) | -25 – 55 °C |
| Rated input voltage (V) | 70 V; 100 V |
| Sensitivity (1 W, 1 m, 1 kHz octave) (dB) | 90 dB |
| Storage temperature (°C) | -40 – 70 °C |
| Weight (kg) | 2.40 kg |
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LBC3087/41 – Ceiling loudspeaker, 6W, screw mount
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A single-piece, 6 W, dual-cone loudspeaker powers the LBC 3087/41. On the rear of the frame is a matching transformer with a voltage of 100 V. The front features an integrated circular metal grille that is painted in a subtle white hue (RAL 9010).
In the case of a fire, the built-in protection in the loudspeaker prevents the circuit to which it is attached from failing due to loudspeaker damage.
Key Features
- Suitable for speech and music reproduction
- Screw mounting
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Installation
The assembly is quickly installed into a hole in the ceiling cavity and secured with three white-colored screws (supplied). A circular template for marking a 165 mm (6.5 in) diameter hole is included with the loudspeaker.
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Terminal Block
The LBC Ceiling loudspeaker has a three-way terminal block with screw connections suitable for loop-through wiring. Four primary taps are provided on the matching transformer to allow selection of nominal full-power, half-power, quarter-power or eighth power radiation (i.e. in 3 dB steps).
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Fire dome
During a fire, the ceiling cavity in which loudspeakers are installed can allow flames to spread throughout a building. To prevent fire entering the caving via the loudspeaker, the ceiling loudspeaker can be fitted with a protective steel fire dome (LBC 3080/01). This optional fire dome is mounted on the loudspeaker assembly using four self-tapping screws, supplied as standard. There are four knock-out holes; two (2) for rubber grommets (supplied) and two (2) for cable glands. (PG13).
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Bosch LA1UMx0E1 20 watt Metal Column Loudspeakers
The robust aluminum waterproof enclosure of the Bosch LA1‑UMx0E‑1 20 Watt Metal Column Loudspeakers 20watt power. The speakers reproduce background music effectively and offer a high degree of voice intelligibility. The speakers come complete with an installation guide and a swivel wall mount bracket.
Bosch Column Loudspeakers 20Watt Overview
- Reproduction of background music and clear speech
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Connections and security
Heat-resistant, high-temperature wire, a thermal fuse, and a ceramic terminal block are all included in the loudspeaker columns. The optional line/loudspeaker supervision board can be mounted internally in the column thanks to this feature.
Loudspeaker power output configuration
The matching transformer that is built-in has four main taps. To enable basic output power setting, the built-in transformer for the speakers is coupled to a rotating variable-tap switch at the rear of the enclosure. Also included on the rotary vary-tap switch is an 8 ohm option.
Alert voice
Voice alarm loudspeakers are made expressly to be used in situations where governmental restrictions govern the operation of public address systems. For voice alarm systems, the LA1-UM20E-1 and LA1-UM40E-1 are intended. Buy Bosch column loudspeakers 20Watt from our store.
Protection
In the case of a fire, the built-in protection in both loudspeaker columns will prevent the associated circuit from failing. System integrity is preserved in this way, guaranteeing that people can still hear announcements via loudspeakers in other locations.
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The LBC3481/12 Horn loudspeaker is a circular horn loudspeaker. 10 W, and made from ABS. Bosch high-efficiency horn loudspeakers provide excellent speech reproduction and sound distribution for a wide scope of outdoor applications. They are ideal for sports grounds, parks, exhibitions, factories and swimming pools.
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This model’s combination of robust design, efficient sound distribution, and user-friendly features make it an excellent choice for anyone seeking a high-quality, durable outdoor loudspeaker. The Bosch LBC3481/12 Horn Loudspeaker is not just a product; it’s a reliable partner for delivering exceptional audio experiences in the great outdoors.
The horn loudspeakers are supplied complete with sturdy adjustable mounting brackets, allowing the sound beam to be accurately directed.
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Bosch LBC 3210/00 Line Array Loudspeaker Indoor/Outdoor, 60W
This LBC Line Array 3210/00 Loudspeaker is capable of handling big (reverberant) interior situations such as train stations, airport departure lounges, and convention sites due to its high power output and good directivity. It can also be used outside, like at stadiums for sports or train stations. It is perfect for voice and music reproduction because to its complete frequency range.
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Less narrow ‘beaming’ of higher tones occurs because the enhanced filtering creates bigger vertical opening angles for high frequencies. This line array has a more consistent opening angle throughout all key frequencies when compared to traditional column loudspeakers. For instance, the vertical opening angle is still 18° at 4 kHz.
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Suppressed Side Lobes
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