Bosch LBB1965/00 Message manager, A high-performance, highly versatile stand-alone digital message player, Up to 12 messages and 12 trigger inputs, Supported sample rates (fs): 24 / 22.05 / 16 / 12 / 11.025 / 8 kHz, 230/115 VAC, ±10%, 50/60 Hz.
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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
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
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)
Cinch, unbalanced
Trigger input
6 x
Screw
Activation
Contact closure
Supervision method
Cable loop resistance check
Line output
Nominal level
1 V, adjustable
<100 ohm
Message active output
Relay
100 V, 2 A (voltage free, SPDT)
Fault output
Interconnection
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 years
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 and transport temperature
-40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity
<95%
