L-Acoustics LA4X, Product Information

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LA4X amplified controller
PRODUCT INFORMATION
VERSION 5.0
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LA4X SPECIFICATIONS
GENERAL
Output power
EIA (1% THD, 1 kHz, all channels driven)
4 x 1000 W RMS (at 4 or 8 Ω)
Max output voltage 150 V (Peak voltage, no load)
Amplification class Class D
Digital Signal Processor (DSP) SHARC 32 bit, floating point, 96 kHz sampling rate
Frequency response 20 Hz-20 kHz (±0.25 dB at 8 Ω)
Distortion THD+N < 0.05 % (20 Hz-10 kHz, 8 Ω, 11 dB below rated power)
Output dynamic range 110 dB (20 Hz-20 kHz, 8 Ω, A-weighted)
Amplification gain 32 dB
Noise level -71 dBV (20 Hz-20 kHz, 8 Ω, A-weighted)
Channel separation > 80 dB (at 1 kHz, 8 Ω)
Damping factor > 500 (100 Hz and below, 8 Ω)
Mains input power
and current draw
(all channels driven)
Maximum output power Mains input power and current draw
Load
Nb. of driven
channels
Power
per
channel
1/3 Output
Power (-5 dB)
1/8 Output
Power (-9 dB)
IDLE Standby
4 or 8
Ω
4 1000 W 7 A / 1600 W 3 A / 750 W
0.26A /
60 W
< 0.1 A /
11 W
Current values given for a mains rated at 230 V. Multiply by 2.3 for 100 V, 1.9 for 120 V or 1.15 for 200 V.
Power supply
Model universal SMPS
(Switched Mode Power Supply)
Power Factor
Correction (PFC) yes
cos

> 0.9 (4 Ω, full power)
Mains ratings 100-240 V~ ±10 %, 50-60 Hz
Operating temperature Room temperature from 0 °C to +50 °C
Circuits protection
heat-sinks temperature monitoring
output over current protection
Transducers protection L-DRIVE thermal and over excursion protection
Fans 2 fans, temperature-controlled speed
Fans noise (free field, 1m)
At minimum speed
At maximum speed 20 dBA
45 dBA
Indicators
POWER LED
4 mute LED
STATUS LED
L-NET presence LED
For each output: LOAD LED, signal and LIMIT/CLIP level
Output Connectors 4 x 4-point SpeakON
OUT1 to OUT4
(including OUT1/2 and OUT3/4)
L-NET connectors 2 x Fast Ethernet EtherCON