Appendix C: Specifications - L-Acoustics LA4X User Manual

LA4X
Amplified Controller
user manual
VERSION 4.0

APPENDIX C: SPECIFICATIONS

GENERAL
Output power
EIA (1% THD, 1 kHz, all channels driven)
Max output voltage
Amplification class
Digital Signal Processor
Frequency response
Distortion THD+N
Output dynamic range
Amplification gain
Noise level
Channel separation
Damping factor
Mains input power
and current draw
(all channels driven)
4 or 8
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
Operating temperature
Circuits protection
Transducers protection
Fans
Fans noise (free field, 1 m)
Indicators
Output Connectors
L-NET connectors
LA4X_UM_EN_4.0
4 x 1000 W RMS (at 4 or 8 Ω)
150 V (Peak voltage, no load)
Class D
(DSP) SHARC 32 bit, floating point, 96 kHz sampling rate
20 Hz-20 kHz (±0.25 dB at 8 Ω)
< 0.05 % (20 Hz-10 kHz, 8 Ω, 11 dB below rated power)
110 dB (20 Hz-20 kHz, 8 Ω, A-weighted)
32 dB
-71 dBV (20 Hz-20 kHz, 8 Ω, A-weighted)
> 80 dB (at 1 kHz, 8 Ω)
> 500 (100 Hz and below, 8 Ω)
Maximum output power
Nb. of driven
Load
channels
4
Ω
Model
Power Factor
Correction (PFC)
Mains ratings
Room temperature
heat-sinks temperature monitoring
output over current protection
L-DRIVE thermal and over excursion protection
2 fans, temperature-controlled speed
At minimum speed
At maximum speed
POWER LED
4 mute LED
STATUS LED
L-NET presence LED
For each output: LOAD LED, signal, and LIMIT/CLIP level
4 x 4-point SpeakON
2 x Fast Ethernet EtherCON
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Mains input power and current draw
Power
1/3 Output
per
Power (-5 dB)
channel
1000 W 7 A / 1600 W
20 dBA
45 dBA
1/8 Output
IDLE
Power (-9 dB)
0.26A /
3 A / 750 W
60 W
universal SMPS
(Switched Mode Power Supply)
yes
cos  > 0.9 (4 Ω, full power)
100-240 V~ ±10 %, 50-60 Hz
from 0 °C to +50 °C
OUT1 to OUT4
(including OUT1/2 and OUT3/4)
44
Standby
< 0.1 A /
11 W