Bosch LBB1965/00-US 12 Input High Performance Digital Message Player

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.

Key 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

Technical 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
100 Hz to 11 kHz (+1 / -3 dB)
@ fs=22.05kHz
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
S/N (flat at max volume)
>80 dB
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
Line output 1 x
Connector
Cinch, unbalanced
Nominal level
1 V, adjustable
Impedance
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