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LBB1957/00
LBB1957/00
LBB1956/00

LBB1956/00

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The Bosch LBB1956/00 is the PLENA six-zone call station: zone, all-call and PTT keys, condenser microphone on a flexible stem, selectable gain, speech filter and limiter; up to 8 LBB1957/00 keypads. Scroll down for details.

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  • Brand - BOSCH
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BOSCH
BOSCH

Global leader in Public Address, Voice Evacuation and Conference Systems.

Bosch PLENA voice alarm rack in a building lobby with people on a staircase Bosch, Invented for life

The fast route to safety

PLENA Public Address and Voice Alarm System

LBB1956/00

PLENA voice alarm components

LBB1956/00 PLENA Voice Alarm Call Station

Six-zone call station with all-call and PTT keys, condenser microphone on a flexible stem, selectable gain, speech filter and limiter.

  • 6 Zones + All-Call
  • Up to 8 LBB1957/00 Keypads
  • Metal Base, Flush Mountable
PLENA voice alarm system components 1LBB1990/00 Controller 2LBB1992/00 Router 3LBB193x/xx Amplifiers 4LBB1956/00 Call Station 5LBB1957/00 Keypad 6LBB1995/00 Fireman's Panel · ask us
  1. LBB1990/00 Controller
  2. LBB1992/00 Router
  3. LBB193x/xx Amplifiers
  4. LBB1956/00 Call Station
  5. LBB1957/00 Keypad
  6. LBB1995/00 Fireman's Panel · ask us

Call Station Type

Bosch LBB1956/00 Plena Voice Alarm Call Station

Zone Selection

Six zone selection keys, all-call key and momentary PTT-key for calls

Performance

Nominal sensitivity : 85 dB SPL (gain preset 0 dB), Input sound level : 110 dB SPL

Frequency response : 100 Hz to 16 kHz, Speech filter : -3dB at 315 Hz

Selections

Support Any wave file Chimes with 7 Priorities

Power Supply

Voltage range 24 VDC supplied by LBB 1990/00 or VDC/VAC external power supply

Control and Indicators

 Four status LEDs, PTT-key, PTT status LED, Six zone selection keys, Six zone selection LEDs, All-call key, Eight DIP switches, Rotary volume control

Technical Specifications

Key specs

  • 6 zone selection keys, all-call and PTT keys
  • Unidirectional condenser microphone on a flexible stem
  • Selectable gain, speech filter and limiter
  • LEDs for zone, fault and emergency state
  • Up to 8 LBB1957/00 keypads, 7 keys each
  • CAT-5 connection to the controller, flush-mountable metal base

Power Supply

Voltage range

24 VDC supplied by LBB 1990/00

(or 18 to 24 VDC or VAC external power supply)

Current  consumption

<30 mA (plus <15 mA per keypad)

Performance

Nominal sensitivity

85 dB SPL (gain preset 0 dB)

Nominal output level

700 mV

Input sound level (max)

110 dB SPL

Gain preset

+6 / 0 / -15 dB

Limiter threshold

2 V

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 at 315 Hz, high-pass, 6 dB/oct

Output impedance

200 ohm

Selections

Chimes

Any wave file

Priorities

7

Base dimensions

40 x 100 x 235 mm

(1.57 x 3.97 x 9.25 in)

Weight

Approx. 1 kg

Mounting

Standalone

Color

Charcoal with silver

Stem length with mic

390 mm (15.35 in)

Cable length

5 m (16.4 ft)

Operating temperature

-10 ºC to +45 ºC (14 ºF to +113 ºF)

Storage temperature

-40 ºC to +70 ºC (-40 ºF to +158 ºF)

Relative humidity

<95%