Specifications - L-Acoustics LA8 Manuel Utilisateur

LA8
AMPLIFIED CONTROLLER
User Manual
VERSION 1.2

9 SPECIFICATIONS

Output power
Max output voltage
Circuitry
Digital Signal Processor
(DSP)
Latency
Frequency range
Distortion THD+N (typical)
Output dynamic range
Amplification gain
Noise level
Input impedance
Max input level
Channel separation
Damping factor
Mains input power and current draw (all channels driven)
Maximum output power
Load Number of channels
4 Ω
8 Ω
Values given for 230 V mains input. Multiply current values by 2 for 120 V. Multiply current values by approx. 2.3 for 100 V.
Operating voltage
Circuits Protection
Transducers protection
Fans
Indicators
Input and link connectors (2 channels IN A, IN B)
Output Connectors (4 channels OUT 1 to OUT 4)
L-NET connectors
Options
Dimensions (WxHxD)
Weight
Finish
LA8_UM_EN_1.2
EIA (1% THD, 1 kHz, all channels driven)
4 x 1100 W @ 8 Ω (4 x 1300 W peak) / 4 x 1800 W @ 4 Ω (4 x 2500 W peak)
150 V (Peak voltage, no load)
Class D
Two cascaded 24 bit A/D converters (130 dB dynamic range)
DSP SHARC 32 bit/ floating point, 96 kHz sampling rate
3.9 ms
10 Hz–30 kHz (-1.5/+0 dB @ 8 Ω)
< 0.004 % (20 Hz–10 kHz, 8 Ω, 3 dB below rated power)
107 dB (20 Hz–20 kHz, 8 Ω, A-weighted)
32 dB
-67 dBV (20 Hz–20 kHz, 8 Ω, A-weighted)
22 kΩ (balanced)
22 dBu (balanced, THD 1 %)
>90 dB (@ 1 kHz)
> 600 (8 Ω, 1 kHz and below)
Power 1/3 Output Power (-5 dB)
4 x 1800 W
4 x 1100 W
120/230 V AC (±10 %), 50 – 60 Hz
Temperature monitoring of transformers and heat-sinks,
inrush-current limitation, mains supply failure and over-voltage detection,
output DC protection, output over current protection
L-DRIVE Thermal and over excursion monitoring
2 temperature dependent speed-controlled axial fans
LEDs for Load, Signal, Level (-25 dB, -10 dB, -5 dB), Clip, L-NET, and Mute
Two 3-pin XLR male and female per channel, pin 2 = hot (+)
2 NL4FC Speakon ® connectors (one per 1 / 2 and 3 / 4 channel groups)
One 8-pin CA-COM ® connector feeding all channels 1 to 4
2 in/out Fast Ethernet RJ45 connectors
L-DGA network digital audio card (available as a future development)
483 x 88.1 (2U) x 428 mm
12.2 kg 26.9 lb
black and anthracite gray
w w w . l - a c o u s t i c s . c o m
Mains input power and current draw
1/8 Output Power (-9 dB)
22 A / 3100 W
15 A / 1950 W
100 V AC (±10 %), 50 – 60 Hz (for Japan)
19 x 3.5 (2U) x 16.8 in.
11 A / 1500 W
10 A / 1300 W
42 en