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Bosch LBB 1946/00 Plena Six-zone Call Station

Bosch LBB 1946/00 Plena Six-zone Call Station

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SKU : LBB1946
Brand : Bosch
Warranty : 2 Years
  • Stylish six-zone call station, intended for LBB 1925/10 system pre-amplifier
  • Unidirectional condenser microphone on flexible stem
  • Six zone selection keys, all-call key, and momentary PTT-key for calls
  • Selectable gain, speech filter, and limiter for improved intelligibility
  • Selectable priority levels and different pre and post- call chimes

The Plena Six-zone Call Station is a stylish, high-quality call station with a stable metal base design, a flexible microphone stem, and a unidirectional condenser microphone. It can make calls to selected zones (one to six and all-call) in a public address system built around the LBB 1925/10 system pre-amplifier. In addition to tabletop use, the special design enables the unit to be neatly flush-mounted in desktops.

This call station features selectable gain, a selectable speech filter, and a limiter for improved intelligibility. The call station has a balanced line level output, making it possible to position it up to 100 m away from the LBB 1925/10, using extension cables.

Dipswitches on the bottom of the call station configure different pre and post-call chimes, as well as the priority level. LEDs on the call station indicate selected zones, and an additional, two-color LED gives visible feedback on the active state of the microphone and the system. Green indicates microphone on or chime active (flashing LED); amber indicates that the system is occupied by a source with a higher priority or operation error (flashing LED).

Controls and indicators

  • PTT-key
  • PTT status LED
  • Six zone selection keys
  • Six zone selection LEDs
  • All-call key
  • All-call status LED
  • Eight DIP switches
  • Interconnections
  • Cable with DIN connector

Technical specifications

Electrical Power Supply

  • Voltage Range : 18 to 24 V (24 V supplied by LBB 1925/10)
  • Current consumption : <30 mA

Performance

  • Nominal sensitivity : 85 dB SPL (gain preset 0 dB)
  • Nominal output level : 700 mV
  • Maximum input sound level : 110 dB SPL
  • Gain preset : +6 / 0 / -15 dB
  • Limiter threshold : 2V
  • Compression ratio limiter : 1:20
  • Distortion ; <0.6% (maximum input)
  • Input noise level (equiv.) : 25 dB SPLA
  • Frequency response : 100 Hz to 16 kHz
  • Speech filter : -3dB @ 315 Hz, high-pass, 6 dB/oct
  • Output impedance : 200 ohm

Selections

  • Chimes : 18 different combinations
  • Priorities : 2 different priorities

Mechanical

  • Base dimensions (H x W x D) : 40 x 100 x 235 mm (1.57 x 3.97 x 9.25 in)
  • Weight : Approx. 1 kg (2.2 lb)
  • Color : Charcoal with silver
  • Stem length with mic : 390 mm (15.35 in)
  • Cable length : 5 m (16.4 ft)

Environmental

  • Operating temperature : -10 oC to +55 oC (14 oF to +131 oF)
  • Storage temperature ; -40 oC to +70 oC (-40 oF to +158 oF)
  • Relative humidity : <95%
  • Interconnection : Cable with DIN connector

Certifications and approvals

  • Safety : acc. to EN 60065
  • Immunity : acc. to EN 55103-2
  • Emission : acc. to EN 55103-1

Region

  • Europe : CE

Parts included

  • 1nos. LBB 1946/00 Plena Six-zone Call Station
  • 1nos. 5 m cable terminated with a lockable 8-pin DIN connector
  • 1nos. Loop through 8-pin DIN socket to add an additional call station LBB 1941/00 or LBB 1946/00

Ordering information

  • LBB 1946/00 Plena Six-zone Call Station metal base design, a flexible microphone stem, and a unidirectional condenser microphone. It can make calls to selected zones (one to six and all-call). Order number LBB1946/00

 

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