L-Acoustics LA8 User Manual
Also see for LA8: Owner's manualOwner's manualUser manualUser manualMaintenance manual
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Contents
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LA8 AMPLIFIED CONTROLLERUSER MANUALVERS ION 5.0LA 8_U M_E N_5 .0 w w w . l - a c o u s t i c s . c o m 4 4APPENDIX C: SPECIFICATIONSGENERALOutput powerEIA (1% THD, 1 kHz, all channels driven)8 Ω4 or 2.7 Ω4 x 1100 W RMS4 x 1800 W RMS4 x 1300 W peak4 x 2500 W peakMax output voltage 150 V (Peak voltage, no load)Circuitry Class DDigital Signal Processor (DSP) SHARC 32 bit, floating point, 96 kHz sampling rateFrequency range 20 Hz-20 kHz (±0.15 dB at 8 Ω)Distortion THD+N < 0.05 % (20 Hz-10 kHz, 8 Ω, 11 dB below rated power)Output dynamic range 107 dB (20 Hz-20 kHz, 8 Ω, A-weighted)Amplification gain 32 dBNoise level -67 dBV (20 Hz-20 kHz, 8 Ω, A-weighted)Channel separation > 85 dB (at 1 kHz)Damping factor > 600 (8 Ω, 1 kHz and below)Mains input powerand current draw(all channels driven)Maximum output power Mains input power and current drawLoad Nb. of drivenchannelsPowerperchannel1/3 OutputPower (-5 dB)1/8 OutputPower (-9 dB) IDLE Standby4 Ω 4 1800 W 22 A / 3100 W 11 A / 1500 W 0.5 A /115 W< 0.1 A /12 W8 Ω 4 1100 W 15 A / 1950 W 10 A / 1300 WCurrent values given for a mains rated at 230 V. Multiply by 2 for 120 V, 1.15 for 200 V and 2.3 for 100 V.If the voltage outsides a plus or minus 10 % range the maximum power is no longer guaranteed.Mains ratings LA8 & LA8USLA8JP120/230 V AC (±10 %), 50-60 Hz100/200 V AC (±10 %), 50-60 HzOperating temperature Room temperatureInside controllerfrom 0 °C to +50 °Cfrom 0 °C to +85 °CCircuits protectiontemperature monitoring of transformers and heat-sinksinrush-current limitationmains supply failure and over-voltage detectionoutput DC protectionoutput over current protectionTransducers protection L-DRIVE thermal and over excursion protectionFans 2 fans, temperature-controlled speedIndicators4 meters including Load, Signal, Level and Clip LEDL-NET presence LED4 mute LEDOutput Connectors 2 x 4-point SpeakON®1 x 8-point CA-COM®OUT1/2 and OUT3/4OUT1 to OUT4L-NET connectors 2 x Fast Ethernet RJ45 (in/out) |
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