BOSCH LBB1990/00

รหัสสินค้า : LBB199000

BOSCH LBB1990/00 | มิกเซอร์แอมป์ Plena Voice Alarm Controller แบบ 240 วัตต์ 6 Zone 2 BGM

   The LBB1990/00 Voice Alarm Controller unit is the heart of the Plena Voice Alarm System. It is the basis of the Plena Voice Alarm System, and has all the essential functionality for compliance with the EN 54‑16 standard, including full system supervision,loudspeaker line impedance supervision, a supervised emergency  microphone on the front panel and a supervised message manager.

คุณสมบัติ

• Heart of the Plena Voice Alarm System
• EN 54‑16 certified and EN 60849 compliant
• Message manager and 240 W amplifier build‑in
• Six‑zone outputs
• 6 emergency and 6 business triggers

สเปค

Mains power supply

Voltage 230/115VAC, ±15%, 50/60 Hz

Current inrush 8 A

Max power consumption 600 VA

Battery power supply

Voltage 24 VDC, +15% / -15%

Current max 14 A

Performance

Output power (rms/maximum) 240 W / 360 W

Power reduction on backup power -1 dB

Frequency response 60 Hz to 18 kHz (+1/-3 dB at -10 dB ref. rated output)

Distortion <1% at rated output power, 1 kHz

Bass control -8/+8 dB at 100 Hz

Treble control -8/+8 dB at 10 kHz

Mic/line input 1 x

Connector XLR, 6.3 mm jack

Sensitivity 1 mV (mic), 1 V (line)

Impedance >1 kohm (mic); >5 kohm (line)

S/N (flat at max volume) >63 dB (mic); >70 dB (line)

S/N (flat at min volme/muted) >75 dB

CMRR >40 dB (50 Hz – 20 kHz)

Headroom >25 dB

Speech filter -3 dB at 315 Hz, high-pass, 6 dB/oct

Phantom power supply 12 V (mic mode only)

VOX trigger level -20 dB (100 µV mic / 100 mV line) or via input contact

Limiter Automatic

Line input (BGM and PC call station)

Connector Cinch, stereo converted to mono, unbalanced

Sensitivity 200 mV

Impedance 22 kohm

S/N (flat at max volume) >70 dB

S/N (flat at min volume/muted) >75 dB

Headroom >25 dB

Trigger Inputs 12 x (6 EMG, 6 business)

Connectors MC1,5 / 14-ST-3,5

Activation Programmable

Supervision On EMG inputs, programmable

Supervision method Series / parallel resistor

100 V input

Connector MSTB 2,5 /16-ST

Power handling capacity 1000 W

Tape output 1 x

Connector Cinch, 2 x mono

Nominal level 350 mV

Impedance <1 kohm

Loudspeaker outputs 

Connectors MSTB 2,5 /16-ST, floating

100 V output 700 W rated per zone

Volume override types 3-wire, 4-wire (24 V), 4-wire failsafe

BGM zone output Attenuation 70 / 50 /35 /25 / 18 / 13 V for0 / -3 / -6 / -9 / -12 / -15 dB120 / 60 / 30 / 15 / 8 /4 W

Output Contacts

Connector Type MC 1,5/14-ST-3,5

Rating 100 V, 2A, voltage free

Emergency active relay NO / COM / NC

Call active relay NO / COM / NC

Fault relay NO / COM / NC normally energized (failsafe)

General purpose relays NO / COM

Mains operation

Max power 550 W

-3dB 440 W

-6dB 340 W

Pilot tone* 136 W

Idle 60 W

24 VDC operation

Max power 14.0 A (336 W)

-3 dB 12.5 A (300 W)

-6 dB 9.5 A (228 W)

Pilot tone* 2.5 A (60 W)

Idle 0.9 A (22 W)

Data format WAV-file, 16-bit PCM, mono

Supported sample rates (fs) 24 / 22.05 / 16 / 12 / 11.025 / 8 kHz

Frequency response

at fs=24kHz 100 Hz to 11 kHz (+1/-3 dB)

at fs=22.05kHz 100 Hz to 10 kHz (+1/-3 dB )

at fs=16kHz 100 Hz to 7.3 kHz (+1/-3 dB )

at fs=12kHz 100 Hz to 5.5 kHz (+1/-3 dB)

at fs=11.025kHz 100 Hz to 5 kHz (+1/-3 dB)

at fs=8kHz 100 Hz to 3.6 kHz (+1/-3 dB)

Distortion <0.1% at 1 kHz

S/N (flat at max volume) >80 dB

Memory capacity 16 MB Flash ROM

Recording / playback time 1000 seconds at fs = 8 kHz333 seconds at fs = 24 kHz

Number of messages 255 max

Supervision Flash ROM Continuous checksum control

Supervision DAC 1 Hz pilot tone

Data retention time >10 years

Dimensions (H x W x D) 144 x 430 x 370 mm (19″ wide, 3U high)

Weight Approx. 21.17 kg

Mounting 19”rack

Color Charcoal

Operating temperature -10 ºC to +55 ºC (14 ºF to +131 ºF)

Storage and transport temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)

Relative humidity <95%

Acoustic noise level of fan <48 dB SPL at 1 m (max output)