LBB1925/10 System preamplifier, 6-zone

Commercial Type No.: LBB1925/10
Product No.: F.01U.505.591

LBB1925/10 System preamplifier, 6-zone
  • Six-zone system pre-amplifier, with single or dual channel operation
  • Two input channels for call stations
  • Universal input for microphone/line, with speech optimized tone control
  • Three inputs for BGM selection and music optimized tone control
  • Front panel zone selection for BGM and call station zone selection for calls
  • PC and trigger inputs for automated calls, alarm tones and chimes to selected zones
  • Details
    Mains power supply
    Voltage 230/115VAC, ±15%, 50/60 Hz
    Current inrush 230/115 VAC, 1.5/3 A
    Max power consumption 25 VA
    Battery power supply
    Voltage 24 VDC, +10% / -15%
    Current max 1 A
    Performance
    Frequency response 50 Hz to 20 kHz (+1 / -3 dB)
    Distortion <0.5%
    Bass control ±10 dB @ 100 Hz
    Treble control ±10 dB @ 10 kHz
    Channel separation >70 dB @ 1 kHz
    Priority mute >40 dB
    Dynamic range 100 dB
    Mic/line input 1 x
    Connectors 5‑pin DIN, 3‑pin XLR, balanced, with phantom power
    Sensitivity 1 mV (mic), 200 mV (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 @ 315 Hz, high-pass, 6 dB/oct
    Phantom power supply 16 V via 1.2 kohm, (mic mode only)
    Line input 3 x
    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
    Master output 1 x
    Connector 3-pin XLR, balanced
    Nominal level 1 V
    Impedance <100 ohm
    Tape output 1 x
    Connector Cinch, 2 x mono
    Nominal level 350 mV
    Impedance <1 kohm
    Headphone output 1 x
    Connector 6.3 mm jack stereo, signal mono
    Nominal level 3 V
    Impedance <100 ohm
    Zone relays 5 A
    Contacts voltage 250 V
    Contacts current 8 A
    Interconnection input / emergency 1 x
    Connector 3-pin XLR, balanced
    Sensitivity 200 mV (interconnection),100 mV to 1 V adjustable (emergency)
    Impedance >10 kohm
    VOX threshold 45 mV (emergency)
    Interconnection output 1 x
    Connector 3-pin XLR, balanced
    Nominal level 200 mV
    Impedance <100 ohm
    Relay contacts 30 V, 1 A
    DC supply output voltage 24 V, 250 mA max
    Dimensions (H x W x D) 100 x 430 x 270 mm(19" wide, 2U high)
    Weight Approx. 5 kg
    Mounting Standalone, 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%

    Images

     
  • Certificates (1)
    Title Type Language
    Declaration of Conformity PDF
     
  • Documents (3)
    Title Type Language
    Data Sheet PDF
    Operation Manual PDF
    A/E Specification DOC