LBB1938/30 功率放大器,1x480W

Commercial Type No.: LBB1938/30
Product No.: F.01U.332.585

LBB1938/30 功率放大器,1x480W
  • 480 W power amplifier in a 3U high 19” housing
  • EN 54‑16 certified
  • 70 V / 100 V and 8 Ohm outputs
  • Dual inputs with priority switching
  • 100 V input for slave operation on 100 V speaker line
  • Overview
    Mains power supply
    Voltage 220/230 VAC, ±10%, 50/60 Hz
    Inrush current 19 A
    Max power consumption 2200 VA
    Battery power supply
    Voltage 24 VDC +15% / -15%
    Current max 30 A
    Performance
    Output power (rms/maximum) 480 W / 720 W
    Power reduction on backup power -1 dB
    Frequency response 50 Hz to 20 kHz (+1/‑3 dB @ ‑10 dB ref. rated output)
    Distortion <1% @ rated output power, 1 kHz
    S/N (flat at max volume) >90 dB
    Line inputs 2 x
    Connector 3‑pin XLR, balanced
    Sensitivity 1 V
    Impedance 20 kOhm
    CMRR >25 dB (50 Hz to 20 kHz)
    Gain 40 dB
    100 V input
    Connector Screw, unbalanced
    Sensitivity 100 V
    Impedance 330 kOhm
    Line loop-through output 2 x
    Connector 3‑pin XLR
    Nominal level 1 V
    Impedance Direct connection to line input
    Loudspeaker outputs 3 x
    Connector Screw, floating
    Direct output 100 V, 70 V, 8 Ohm
    Priority only (from input 1) 100 V or 70 V internally selectable
    Music (non-priority) only 100 V or 70 V internally selectable
    Mains operation
    Max power 990 W
    -3 dB 715 W
    -6 dB 510 W
    Pilot tone* 110 W
    Idle 25 W
    24 VDC operation
    Max power 32 A (770 W)
    -3 dB 26 A (625 W)
    -6 dB 18 A (430 W)
    Pilot tone* 3.8 A (91 W)
    Idle 0.7 A (17 W)
    Dimensions (H x W x D) 145 x 430 x 370 mm (19" wide, 3U high, with feet)
    Weight Approx. 25 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%
    Acoustic noise level of fan <48 dB SPL @ 1 m (max output)

    Images

     
  • Certificates (2)
  • Documents (2)
    Title Type Language
    資料表 PDF
    操作手冊 PDF