BOSCH LBB1965/00 Plena Message Manager
The Plena message manager is a high performance, highly versatile stand-alone digital message player.
Applications range from spot announcements in supermarkets and theme parks to warning and evacuation messages in emergency situations.
Features :
- Highly flexible stand‑alone digital message player
- Up to 12 messages and 12 trigger inputs
- Downloads messages from a PC in WAV format
- Compliant with standards for emergency sound systems
- Zone control for Plena system preamplifier LBB 1925/10
Specifications :
| Electrical |
| Mains power supply |
|
| Voltage |
230/115 VAC, ±10%, 50/60 Hz |
| Inrush current |
1.5 A at 230 VAC / 3 A at 115 VAC |
| Max power consumption |
50 VA |
| Battery power supply |
|
| Voltage |
24 VDC, +15% / -15% |
| Current max |
1 A |
| Performance |
|
| Supported sample rates (fs) |
24 / 22.05 / 16 / 12 / 11.025 / 8 kHz |
| Frequency response |
|
@ fs=24kHz
@ fs=22.05kHz |
100 Hz to 11 kHz (+1 / -3 dB)
100 Hz to 10 kHz (+1 / -3 dB ) |
| @ fs=16kHz |
100 Hz to 7.3 kHz (+1 / -3 dB ) |
| @ fs=12kHz |
100 Hz to 5.5 kHz (+1 / -3 dB) |
| @ fs=11.025kHz |
100 Hz to 5 kHz (+1 / -3 dB) |
| @ fs=8kHz |
100 Hz to 3.6 kHz (+1 / -3 dB) |
| Distortion |
<0.1% at 1 kHz |
| Supervision DAC |
1 Hz pilot tone |
| Line input |
1 x |
| Connector |
3-pin XLR, balanced |
| Sensitivity |
1 V |
| Impedance |
20 kohm |
| CMRR |
>25 dB (50 Hz-to 20 kHz) |
| Line input |
1 x |
| Connector |
Cinch, unbalanced |
| Sensitivity |
1 V |
| Impedance |
20 kohm |
| Trigger input |
6 x |
| Connector |
Screw |
| Activation |
Contact closure |
| Supervision method |
Cable loop resistance check |
| Line output |
1 x |
| Connector |
3-pin XLR, balanced |
| Nominal level |
1 V, adjustable |
| Impedance |
<100 ohm |
| Line output |
1 x |
| Connector |
Cinch, unbalanced |
| Nominal level |
1 V, adjustable |
| Impedance |
<100 ohm |
| Message |
active output 1 x |
| Connector |
Screw |
| Relay |
100 V, 2 A (voltage free, SPDT) |
| Fault output |
1 x |
| Connector |
Screw |
| Relay |
100 V, 2 A (voltage free, SPDT) |
| Interconnection |
1 x |
| Connector |
9-pin D-sub (RS-232) |
| PC protocol |
115 kb/s, N, 8, 1, 0 (upload) |
| LBB 1925/10 protocol |
19.2 kb/s, N, 8, 1, 0 (zone control) |
| Messages |
| Data format |
WAV-file, 16-bit PCM, mono |
| Memory capacity |
64 Mb EEPROM |
| Recording/playback time |
500 s @ fs=8 kHz
167 s @ fs=24 kHz |
| Number of messages |
12 (maximum) |
| Data retention time > |
10 year |
| Mechanical |
| Dimensions |
(H x W x D) 56 x 430 x 270 mm
2.20 x 16.92 x 10.62 inch
(19" wide, 1U high, with feet) |
| Weight |
Approx. 3 kg |
| Mounting |
Stand‑alone, 19” rack |
| Color |
Charcoal |
| 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% |
|
