LCA-108 Active Dual Speaker Line Array System

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Model NO.LCA-108LCA-108B
TypePassive single 8″ two-way line array speakerActive dual 12″ linear sub-bass array speakers
Horn unitLF 1*8″ NdFeB / voice coil Φ51mm / magnetic steel Φ170mm

HF 1*1.73″ NdFeB compression tweeter / Voice Coil Φ44mm

LF 1*12″ ferrite / voice coil Φ75mm / magnetic steel Φ190mm
Rated impedanceLF 8Ω; HF 8Ω4 Ω
Rated power (AES)LF 250W / HF 50W500W
Peak power (AES)LF 1000W / HF 200W2000W
Frequency response (-3db)55Hz-18KHz35Hz-200Hz
Sensitivity (1m/1w)LF 98dB; HF 112dB102dB
Directivity (H * V)120° * 10° vertically adjustableno directivity
Maximum sound pressure level (1m/1w)LF>122dB (continuous )/ LF>129dB (peak)
HF 136dB (continuous) / 142dB (peak)
129db (continuous)
Surface treatmentBlack sand paintBlack sand paint
Plate15mm multi-layer birch plywood18mm multi-layer birch plywood
Overall dimension (w*d*h)400*260*250mm400*660*700mm
Net weight10kg45kg
GridHexagonal mesh + inner covered sound-transmitting mesh cotton
Hanging3-point hanging, adjustable from 0° to 10°3-point hanging
HangingNeutrik NL4 speaker stand LF 1+1- / HF 2+2-
Voltage requirements220V ~50Hz
Amplifier module3 channels
Circuit typeClass D
Cooling methodfan forced cooling
Output powerUSB/900W;LF/400W;HF/200W @ 8Ω
Total harmonic distortion≤1% @1kHz, full power 8Ω
SNR100dB @20 Hz – 20kHz A-weighted @8Ω
Input sensitivity1V
Input impedance20KΩ
Working impedance
DSP functionsmute, polarity, gain, delay, limiter, mixer, EQ, XOver
DSP controlUSB and RS-485
ProtectionShort, DCP, OVP, UVP, OCP, OTP
AC power input/outputpowerCON NAC3MPA
Audio inputXLR male and female
Audio outputNeutrik NL4 speaker stand LF 1+1- / HF 2+2-