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Linijos monitoringo EOL plokštė BOSCH LBB4443/00

Linijos monitoringo EOL plokštė BOSCH LBB4443/00

Kategorija: Garso sistemos
Gamintojas: Bosch
Kodas: PALBB4443/00
Modelis: LBB4443/00
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Aprašymas
papildoma informacija
Atsisiųsti specifikaciją

> Loudspeaker line monitoring without additional cabling
> Open-circuit fault detection
> Compatible with 100 V and 70 V loudspeaker lines
> Powering of the supervision-board from the power amplifier
> Communication is not affected by the audio signals on the line

The board monitors the integrity of a loudspeaker line. The boards work together with the LBB 4440/00 Supervision Control Board to monitor the status of the loudspeaker line and all of its branches. The line status is communicated to the LBB 4440/00 via the existing loudspeaker cable.

Functions
The board is mounted inside the case of the last loudspeaker on the loudspeaker line, or inside a separate case. Supervision of branched lines is possible. If a loudspeaker line has multiple branches, a separate LBB 4443/00 is required for the last loudspeaker in each branch. The board detects and reports line faults within 100 s.
Interconnections
• Two 30 cm flying leads
• Two faston connectors

Technical specifications
Mechanical
Dimensions (H x W x D): 78 x 60 x 22 mm (3.0 x 2.3 x 0.8 in)
Weight: 70 g (2.4 ounces)
Mounting: Internally in the loudspeaker an optional mounting bracket LBB 4446/00 is available

Environmental
Operating temperature: -5 ºC to +55 ºC (+23 ºF to +131 ºF)
Storage temperature: -20 ºC to +70 ºC (-4 ºF to +158 ºF)
Humidity: 15% to 90%
Air pressure: 600 to 1100 hPa

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