W W W . L - A C O U S T I C S . C O M
LA8 SPECIFICATIONS
GENERAL
Output power
EIA (1% THD, 1 kHz, all channels driven)
8 Ω
4 or 2.7 Ω
4 x 1100 W RMS
4 x 1800 W RMS
4 x 1300 W peak
4 x 2500 W peak
Max output voltage
150 V (Peak voltage, no load)
Circuitry
Class D
Digital Signal Processor
(DSP)
SHARC 32 bit, floating point, 96 kHz sampling rate
Frequency 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 dB
Noise 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 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 Ω
4
1800 W
22 A / 3100 W 11 A / 1500 W
0.5 A /
115 W
< 0.1 A /
12 W
8 Ω
4
1100 W
15 A / 1950 W 10 A / 1300 W
Current 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 & LA8US
LA8JP
120/230 V AC (±10 %), 50-60 Hz
100/200 V AC (±10 %), 50-60 Hz
Operating temperature
Room temperature
Inside controller
from 0 °C to +50 °C
from 0 °C to +85 °C
Circuits protection
temperature monitoring of transformers and heat-sinks
inrush-current limitation
mains supply failure and over-voltage detection
output DC protection
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
24 dBA
42 dBA
Indicators
4 meters including Load, Signal, Level and Clip LED
L-NET presence LED
4 mute LED
Output Connectors
2 x 4-point SpeakON
®
1 x 8-point CA-COM
®
OUT1/2 and OUT3/4
OUT1 to OUT4
L-NET connectors
2 x Fast Ethernet RJ45 (in/out)
