BOSCH LBB 1990/00 Plena Voice Alarm Controller แบบ 240 วัตต์ 6 Zone 2 BOSCH LBB 1990/00 Controller จากแบรนด์ BOSCH
BOSCH LBB 1990/00
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) |
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