خانه صوت و کنفرانس بوشPublic Address and Voice AlarmPA, Commercial Sound and Emergency Sound Plena Public Address Solutions

LBB1965/00 Message manager

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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
Voltage 24 VDC, +15% / -15%
Current max 1A
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)
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 protoco 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 temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidit <95%
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